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HPE FlexFabric 12900E, Руководство по настройке

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Содержание FlexFabric 12900E

Страница 1: ...HPE FlexFabric 12900E Switch Series IP Multicast Configuration Guide Part number 5200 1231b Software version Release 2606 and later Document version 6W101 20161201 ...

Страница 2: ...nd 12 212 Commercial Computer Software Computer Software Documentation and Technical Data for Commercial Items are licensed to the U S Government under vendor s standard commercial license Links to third party websites take you outside the Hewlett Packard Enterprise website Hewlett Packard Enterprise has no control over and is not responsible for information outside the Hewlett Packard Enterprise ...

Страница 3: ...21 Configuring IGMP snooping port features 22 Setting aging timers for dynamic ports 22 Configuring static ports 23 Configuring a port as a simulated member host 24 Enabling fast leave processing 24 Disabling a port from becoming a dynamic router port 25 Enabling inner VLAN ID based forwarding 25 Configuring the IGMP snooping querier 26 Configuration prerequisites 26 Enabling the IGMP snooping que...

Страница 4: ...56 Assigning user ports to a multicast VLAN 56 Setting the maximum number of multicast VLAN forwarding entries 57 Displaying and maintaining multicast VLANs 57 Multicast VLAN configuration examples 58 Sub VLAN based multicast VLAN configuration example 58 Port based multicast VLAN configuration example 61 Configuring multicast routing and forwarding 65 Overview 65 RPF check mechanism 65 Static mul...

Страница 5: ...ting IGMP 99 No membership information on the receiver side router 99 Inconsistent membership information on the routers on the same subnet 99 Configuring PIM 101 Overview 101 PIM DM overview 101 PIM SM overview 103 BIDIR PIM overview 109 Administrative scoping overview 112 PIM SSM overview 114 Relationship among PIM protocols 115 PIM support for VPNs 116 Protocols and standards 116 Configuring PI...

Страница 6: ...t be built or multicast source registration fails in PIM SM 157 Configuring MSDP 159 Overview 159 How MSDP works 159 MSDP support for VPNs 164 Protocols and standards 164 MSDP configuration task list 165 Configuring basic MSDP features 165 Configuration prerequisites 165 Enabling MSDP 165 Specifying an MSDP peer 166 Configuring a static RPF peer 166 Configuring an MSDP peering connection 166 Confi...

Страница 7: ...204 Enabling MLD snooping proxying 205 Configuring parameters for MLD messages 205 Configuration prerequisites 205 Configuring source IPv6 addresses for MLD messages 205 Setting the 802 1p priority for MLD messages 207 Configuring MLD snooping policies 208 Configuring an IPv6 multicast group policy 208 Enabling IPv6 multicast source port filtering 209 Enabling dropping unknown IPv6 multicast data ...

Страница 8: ...vi Index 228 ...

Страница 9: ...ast Unicast In unicast transmission the information source must send a separate copy of information to each host that needs the information Figure 1 Unicast transmission In Figure 1 Host B Host D and Host E need the information A separate transmission channel must be established from the information source to each of these hosts In unicast transmission the traffic transmitted over the network is p...

Страница 10: ...n the same subnet Broadcast is disadvantageous in transmitting data to specific hosts Moreover broadcast transmission is a significant waste of network resources Multicast Multicast provides point to multipoint data transmissions with the minimum network consumption When some hosts on the network need multicast information the information sender or multicast source sends only one copy of the infor...

Страница 11: ... is a multicast receiver set identified by an IP multicast address Hosts must join a multicast group to become members of the multicast group before they receive the multicast data addressed to that multicast group Typically a multicast source does not need to join a multicast group A multicast source is an information sender It can send data to multiple multicast groups at the same time Multiple ...

Страница 12: ...presents a specific multicast group For more information about the concepts RPT and SPT see Configuring PIM Multicast benefits and applications Multicast benefits Enhanced efficiency Reduces the processor load of information source servers and network devices Optimal performance Reduces redundant traffic Distributed application Enables point to multipoint applications at the price of minimum netwo...

Страница 13: ...ource discovery How is the information transmitted to the receivers Multicast routing IP multicast is an end to end service The multicast architecture involves the following parts Addressing mechanism A multicast source sends information to a group of receivers through a multicast address Host registration Receiver hosts can join and leave multicast groups dynamically This mechanism is the basis f...

Страница 14: ... 233 0 0 0 you get 255 multicast addresses for that AS For more information see RFC 2770 Table 3 Common permanent multicast group addresses Address Description 224 0 0 1 All systems on this subnet including hosts and routers 224 0 0 2 All multicast routers on this subnet 224 0 0 3 Unassigned 224 0 0 4 DVMRP routers 224 0 0 5 OSPF routers 224 0 0 6 OSPF designated routers and backup designated rout...

Страница 15: ...Pv6 multicast address permanently assigned by IANA When set to 1 this address is a transient or dynamically assigned IPv6 multicast address Scope The Scope field contains four bits which represent the scope of the IPv6 internetwork for which the multicast traffic is intended Table 5 Values of the Scope field Value Meaning 0 F Reserved 1 Interface local scope 2 Link local scope 3 Subnet local scope...

Страница 16: ...device might inadvertently send multicast protocol packets as multicast data in Layer 2 forwarding To avoid this do not use the IP multicast addresses that are mapped to multicast MAC addresses 0100 5E00 00xx and 3333 0000 00xx where x represents any hexadecimal number from 0 to F Multicast protocols Multicast protocols include the following categories Layer 3 and Layer 2 multicast protocols Layer...

Страница 17: ...ayer 3 multicast devices to establish and maintain multicast routes and correctly and efficiently forward multicast packets Multicast routes constitute loop free data transmission paths also known as multicast distribution trees from a data source to multiple receivers In the ASM model multicast routes include intra domain routes and inter domain routes An intra domain multicast routing protocol d...

Страница 18: ...try In this way multicast data can be forwarded to only the ports that are interested in the data Multicast VLAN and IPv6 multicast VLAN Multicast VLAN or IPv6 multicast VLAN runs on a Layer 2 device in a multicast network where multicast receivers for the same group exist in different VLANs With these protocols the Layer 3 multicast device sends only one copy of multicast to the multicast VLAN or...

Страница 19: ...roduction to VPN instances VPNs are isolated from one another and from the public network As shown in Figure 10 VPN A and VPN B separately access the public network through PE devices Figure 10 VPN networking diagram The P device belongs to the public network The CE devices belong to their respective VPNs Each CE device serves its own VPN and maintains only one set of forwarding mechanisms The PE ...

Страница 20: ...orwards multicast data based on the forwarding table or routing table for that VPN Implements the isolation between different VPNs Implements information exchange and data conversion between the public network and VPN instances For example as shown in Figure 10 a multicast source in VPN A sends multicast data to a multicast group Only receivers that belong to both the multicast group and VPN A can...

Страница 21: ...r 2 switch forwards multicast packets of known multicast groups to only the receivers Figure 11 Multicast packet transmission without and with IGMP snooping IGMP snooping ports As shown in Figure 12 IGMP snooping runs on Switch A and Switch B and Host A and Host C are receivers in a multicast group IGMP snooping ports are divided into member ports and router ports Multicast packet transmission wit...

Страница 22: ... in IGMP snooping is a Layer 2 interface Member ports On an IGMP snooping Layer 2 device the ports toward receiver hosts are called member ports In Figure 12 HundredGigE 1 0 2 and HundredGigE 1 0 3 of Switch A and HundredGigE 1 0 2 of Switch B are member ports Member ports contain the following types Dynamic member port When a port receives an IGMP report it is added to the associated dynamic IGMP...

Страница 23: ...the matching forwarding entry does not contain the receiving port the Layer 2 device adds the receiving port to the outgoing interface list It also marks the receiving port as a dynamic member port and starts an aging timer for the port If a match is found and the matching forwarding entry contains the receiving port the Layer 2 device restarts the aging timer for the port In an application with a...

Страница 24: ...uery to the multicast group through the receiving port After receiving the IGMP group specific query the Layer 2 device forwards the query through all router ports and member ports of the group in the VLAN or VSI Then it waits for the responding IGMP report from the directly connected hosts For the dynamic member port that received the leave message the Layer 2 device also performs one of the foll...

Страница 25: ...und the device creates a forwarding entry with the receiving port as an outgoing interface It also marks the receiving port as a dynamic member port and starts an aging timer for the port Then it sends the report to all router ports Leave message After receiving the IGMP leave message on a port the device sends an IGMP group specific query through the receiving port The device sends the IGMP leave...

Страница 26: ...nooping version Optional Setting the maximum number of IGMP snooping forwarding entries Optional Setting the IGMP last member query interval Configuring IGMP snooping port features Optional Setting aging timers for dynamic ports Configuring the IGMP snooping querier Optional Enabling the IGMP snooping querier Optional Configuring parameters for IGMP general queries and responses Configuring parame...

Страница 27: ...g view igmp snooping By default IGMP snooping is globally disabled 3 Enable IGMP snooping for the specified VLANs enable vlan vlan list By default IGMP snooping is disabled for a VLAN Enabling IGMP snooping in VLAN or VSI view Step Command Remarks 1 Enter system view system view N A 2 Enable IGMP snooping globally and enter IGMP snooping view igmp snooping By default IGMP snooping is globally disa...

Страница 28: ...n number vlan vlan list The default setting is 2 Specifying an IGMP snooping version in VLAN or VSI view Step Command Remarks 1 Enter system view system view N A 2 Enter VLAN view or VSI view Enter VLAN view vlan vlan id Enter VSI view vsi vsi name N A 3 Specify an IGMP snooping version for the VLAN or VSI igmp snooping version version number The default setting is 2 Setting the maximum number of ...

Страница 29: ...c multicast MAC address entry in interface view Step Command Remarks 1 Enter system view system view N A 2 Enter Layer 2 Ethernet interface or Layer 2 aggregate interface view interface interface type interface number N A 3 Configure a static multicast MAC address entry mac address multicast mac address vlan vlan id By default no static multicast MAC address entries exist Setting the IGMP last mem...

Страница 30: ...group and multicast source Setting aging timers for dynamic ports When you set aging timers for dynamic ports follow these restrictions and guidelines If the memberships of multicast groups frequently change you can set a relatively small value for the aging timer of the dynamic member ports If the memberships of multicast groups rarely change you can set a relatively large value If a dynamic rout...

Страница 31: ...conds Configuring static ports You can configure the following types of static ports Static member port When you configure a port as a static member port for a multicast group all hosts attached to the port will receive multicast data for the group The static member port does not respond to IGMP queries When you complete or cancel this configuration on a port the port does not send an unsolicited ...

Страница 32: ...join group address source ip source address vlan vlan id By default the port is not a simulated member host Enabling fast leave processing This feature enables the device to immediately remove a port from the forwarding entry for a multicast group when the port receives a leave massage Configuration restrictions and guidelines When you enable fast leave processing follow these restrictions and gui...

Страница 33: ...rier or DR election on the multicast routers This might further cause network interruption To solve these problems you can disable a port from becoming a dynamic router port This also improves network security and the control over receiver hosts To disable a port from becoming a dynamic router port Step Command Remarks 1 Enter system view system view N A 2 Enter Layer 2 Ethernet interface view or ...

Страница 34: ...nooping querier follow these restrictions and guidelines Do not enable the IGMP snooping querier on a multicast network that runs IGMP An IGMP snooping querier does not take part in IGMP querier elections However it might affect IGMP querier elections if it sends IGMP general queries with a low source IP address On a VXLAN network the IGMP snooping querier in a VSI does not include VLAN tags in IG...

Страница 35: ...for a VSI in VSI view or for a VLAN in VLAN view For a VSI the VSI specific configuration takes priority over the global configuration For a VLAN the VLAN specific configuration takes priority over the global configuration Configuring parameters for IGMP general queries and responses globally Step Command Remarks 1 Enter system view system view N A 2 Enter IGMP snooping view igmp snooping N A 3 Se...

Страница 36: ...namic IGMP snooping forwarding entry from being correctly created at the data link layer and eventually cause multicast traffic forwarding failures To avoid this problem you can configure a non all zero IP address as the source IP address of the IGMP queries on the IGMP snooping querier This configuration might affect the IGMP querier election within the subnet You can also change the source IP ad...

Страница 37: ...Command Remarks 1 Enter system view system view N A 2 Enter VSI view vsi vsi name N A 3 Configure the source IP address for IGMP general queries igmp snooping general query source ip ip address By default the source IP address of IGMP general queries is the IP address of the gateway interface for a VSI If the gateway interface does not have an IP address the source IP address is 0 0 0 0 4 Configur...

Страница 38: ...s 1 Enter system view system view N A 2 Enter IGMP snooping view igmp snooping N A 3 Set the 802 1p priority for IGMP messages dot1p priority priority By default the 802 1p priority for IGMP packets is not configured For IGMP packets created by the device the 802 1p priority is 0 For IGMP packets to be forwarded the device does not change the 802 1p priority Setting the 802 1p priority for IGMP me...

Страница 39: ...oup policy on a port Step Command Remarks 1 Enter system view system view N A 2 Enter Layer 2 Ethernet interface view or Layer 2 aggregate interface view interface interface type interface number N A 3 Configure a multicast group policy on the port igmp snooping group policy ipv4 acl number vlan vlan list By default no multicast group policies exist on a port and hosts attached to the port can joi...

Страница 40: ...ta in a VLAN or VSI Step Command Remarks 1 Enter system view system view N A 2 Enter VLAN view or VSI view Enter VLAN view vlan vlan id Enter VSI view vsi vsi name N A 3 Enable dropping unknown multicast data for the VLAN or VSI igmp snooping drop unknown By default dropping unknown multicast data is disabled and unknown multicast data is flooded Enabling IGMP report suppression This feature enabl...

Страница 41: ...of groups exceeds the upper limit This feature is typically used in the channel switching application Without this feature the device discards IGMP reports for new groups and the user cannot change to the new channel Configuration restrictions and guidelines When you enable multicast group replacement follow these restrictions and guidelines This configuration takes effect only on the multicast gr...

Страница 42: ...de Display dynamic IGMP snooping group entries display igmp snooping group group address source address vlan vlan id vsi vsi name verbose slot slot number In IRF mode Display dynamic IGMP snooping group entries display igmp snooping group group address source address vlan vlan id vsi vsi name verbose chassis chassis number slot slot number In standalone mode Display host tracking information displ...

Страница 43: ...lticast ip forwarding group group address source source address vlan vlan id vsi vsi name slot slot number In IRF mode Display Layer 2 IP multicast group entries display l2 multicast ip forwarding group group address source source address vlan vlan id vsi vsi name chassis chassis number slot slot number In standalone mode Display information about Layer 2 MAC multicast groups display l2 multicast ...

Страница 44: ...ast group 224 1 1 1 Multicast data can be forwarded through HundredGigE 1 0 3 and HundredGigE 1 0 4 of Switch A uninterruptedly even though Host A and Host B fail to receive the multicast data Switch A will drop unknown multicast data instead of flooding it in VLAN 100 Figure 14 Network diagram Configuration procedure 1 Assign an IP address and subnet mask to each interface as shown in Figure 14 D...

Страница 45: ...p 224 1 1 1 SwitchA acl basic 2001 SwitchA acl ipv4 basic 2001 rule permit source 224 1 1 1 0 SwitchA acl ipv4 basic 2001 quit SwitchA igmp snooping SwitchA igmp snooping group policy 2001 vlan 100 SwitchA igmp snooping quit Configure HundredGigE 1 0 3 and HundredGigE 1 0 4 as simulated member hosts of multicast group 224 1 1 1 SwitchA interface hundredgige 1 0 3 SwitchA HundredGigE1 0 3 igmp snoo...

Страница 46: ...flows to the receivers attached to Switch C only along the path of Switch A Switch B Switch C When this path is blocked a minimum of one IGMP query response cycle must be completed before multicast data flows to the receivers along the path of Switch A Switch C In this case the multicast delivery is interrupted during the process For more information about the STP see Layer 2 LAN Switching Configu...

Страница 47: ...quit Configure HundredGigE 1 0 3 as a static router port SwitchA interface hundredgige 1 0 3 SwitchA HundredGigE1 0 3 igmp snooping static router port vlan 100 SwitchA HundredGigE1 0 3 quit 4 Configure Switch B Enable IGMP snooping globally SwitchB system view SwitchB igmp snooping SwitchB igmp snooping quit Create VLAN 100 and assign HundredGigE 1 0 1 and HundredGigE 1 0 2 to the VLAN SwitchB vla...

Страница 48: ... 0 5 The output shows that HundredGigE 1 0 3 and HundredGigE 1 0 5 on Switch C have become static member ports of multicast group 224 1 1 1 IGMP snooping querier configuration example for VLANs Network requirements As shown in Figure 16 The network is a Layer 2 only network Source 1 and Source 2 send multicast data to multicast groups 224 1 1 1 and 225 1 1 1 respectively Host A and Host C are rece...

Страница 49: ...ies SwitchA vlan100 igmp snooping general query source ip 192 168 1 1 In VLAN 100 specify 192 168 1 1 as the source IP address of IGMP group specific queries SwitchA vlan100 igmp snooping special query source ip 192 168 1 1 SwitchA vlan100 quit 2 Configure Switch B Enable IGMP snooping globally SwitchB system view SwitchB igmp snooping SwitchB igmp snooping quit Create VLAN 100 and assign HundredG...

Страница 50: ... vlan100 port hundredgige 1 0 1 to hundredgige 1 0 2 Enable IGMP snooping and enable dropping unknown multicast data for VLAN 100 SwitchD vlan100 igmp snooping enable SwitchD vlan100 igmp snooping drop unknown SwitchD vlan100 quit Verifying the configuration Display statistics for IGMP messages and PIMv2 hello messages learned through IGMP snooping on Switch B SwitchB display igmp snooping statist...

Страница 51: ...ls not shown 2 Configure Router A Enable IP multicast routing RouterA system view RouterA multicast routing RouterA mrib quit Enable IGMP and PIM DM on HundredGigE 1 0 1 RouterA interface hundredgige 1 0 1 RouterA HundredGigE1 0 1 igmp enable RouterA HundredGigE1 0 1 pim dm RouterA HundredGigE1 0 1 quit Enable PIM DM on HundredGigE 1 0 2 RouterA interface hundredgige 1 0 2 RouterA HundredGigE1 0 2...

Страница 52: ... output shows that HundredGigE1 0 3 and HundredGigE1 0 4 have become member ports of multicast group 224 1 1 1 Display IGMP group membership information on Router A RouterA display igmp group IGMP groups in total 1 HundredGigE1 0 1 10 1 1 1 IGMP groups reported in total 1 Group address Last reporter Uptime Expires 224 1 1 1 0 0 0 0 00 00 31 00 02 03 The output shows that HundredGigE1 0 1 has becom...

Страница 53: ...Symptom Hosts can receive multicast data for multicast groups that are not permitted by the multicast group policy Solution To resolve the problem 1 Use the display acl command to verify that the configured ACL meets the multicast group policy requirements 2 Use the display this command in IGMP snooping view or in a corresponding interface view to verify that the correct multicast group policy has...

Страница 54: ...ect to the PIM routers are in the same VLAN or VSI When the Layer 2 switch runs only IGMP snooping it performs the following actions a Maintains the router ports according to the received PIM hello messages that PIM routers send b Floods all other types of received PIM messages except PIM hello messages in the VLAN or VSI c Forwards all multicast data to all router ports in the VLAN or VSI Multica...

Страница 55: ... prevent PIM snooping from correctly forwarding multicast data For more information about setting the maximum size of a join or prune message see Configuring PIM To configure PIM snooping for a VLAN or VSI you must enable IGMP snooping globally on the Layer 2 device and then enable IGMP snooping and PIM snooping for the VLAN or VSI After you enable PIM snooping for a VLAN PIM snooping works only o...

Страница 56: ... is available in R2609 and later display pim snooping router port vlan vlan id vsi vsi name slot slot number verbose In IRF mode Display PIM snooping router port information The verbose keyword is available in R2609 and later display pim snooping router port vlan vlan id vsi vsi name chassis chassis number slot slot number verbose In standalone mode Display PIM snooping routing entries display pim...

Страница 57: ...ls not shown 3 Configure Router A Enable IP multicast routing RouterA system view RouterA multicast routing RouterA mrib quit Enable PIM SM on each interface RouterA interface hundredgige 1 0 1 RouterA HundredGigE1 0 1 pim sm RouterA HundredGigE1 0 1 quit RouterA interface hundredgige 1 0 2 RouterA HundredGigE1 0 2 pim sm RouterA HundredGigE1 0 2 quit Set the maximum size of a join or prune messag...

Страница 58: ...gE 1 0 1 RouterC interface hundredgige 1 0 1 RouterC HundredGigE1 0 1 igmp enable RouterC HundredGigE1 0 1 quit Enable PIM SM on HundredGigE 1 0 2 RouterC interface hundredgige 1 0 2 RouterC HundredGigE1 0 2 pim sm RouterC HundredGigE1 0 2 quit Set the maximum size of a join or prune message to 1400 bytes RouterC pim RouterC pim jp pkt size 1400 6 Configure Router D Enable IP multicast routing Rou...

Страница 59: ...neighbors for VLAN 100 SwitchA display pim snooping neighbor vlan 100 Total 4 neighbors VLAN 100 Total 4 neighbors 10 1 1 1 Ports 1 in total HGE1 0 1 00 32 43 10 1 1 2 Ports 1 in total HGE1 0 2 00 32 43 10 1 1 3 Ports 1 in total HGE1 0 3 00 32 43 10 1 1 4 Ports 1 in total HGE1 0 4 00 32 43 The output shows that Router A Router B Router C and Router D are PIM snooping neighbors On Switch A display ...

Страница 60: ... Router D Troubleshooting PIM snooping PIM snooping does not work on a Layer 2 device Symptom PIM snooping does not work on a Layer 2 device Solution To resolve the problem 1 Use the display current configuration command to display information about IGMP snooping and PIM snooping 2 If IGMP snooping is not enabled enable IGMP snooping globally and then enable IGMP snooping and PIM snooping for the ...

Страница 61: ... the multicast VLAN on Switch B This method saves network bandwidth and lessens the burden on the Layer 3 device Multicast VLANs include sub VLAN based multicast VLANs and port based multicast VLANs NOTE Support for the sub VLAN based multicast VLAN feature or the port based multicast VLAN feature depends on the device model Sub VLAN based multicast VLAN As shown in Figure 21 Host A Host B and Hos...

Страница 62: ... VLAN 10 IGMP snooping is enabled for the multicast VLAN and VLAN 2 through VLAN 4 Figure 22 Port based multicast VLAN IGMP snooping manages the router ports and member ports in the multicast VLAN When Switch A receives multicast data from the multicast source it sends only one copy of the multicast data to the multicast VLAN on Switch B Switch B sends a separate copy to each user port in the mult...

Страница 63: ...ast VLAN complete the following tasks Create VLANs as required Enable IGMP snooping for the VLAN to be configured as the multicast VLAN and for the VLANs to be configured as sub VLANs Configuration restrictions and guidelines When you configure a sub VLAN based multicast VLAN follow these restrictions and guidelines The VLAN to be configured as the multicast VLAN must exist The VLANs to be configu...

Страница 64: ...which the user port belongs port hybrid pvid vlan vlan id By default the PVID for a hybrid port is VLAN 1 For more information about this command see Layer 2 LAN Switching Command Reference 5 Configure the current user port to permit multicast VLAN and to untag the packets port hybrid vlan vlan id list untagged By default a hybrid port permits only VLAN 1 For more information about this command se...

Страница 65: ...icast VLAN forwarding entries on the device When the upper limit is reached the device does not create multicast VLAN forwarding entries until some entries age out or are manually removed If the total number of the entries exceeds the upper limit value that you are setting the system does not automatically remove existing entries or create new entries In this case remove excess entries manually To...

Страница 66: ...sis chassis number slot slot number subvlan vlan id vlan vlan id Clear multicast groups in multicast VLANs reset multicast vlan group source address mask mask length mask group address mask mask length mask vlan vlan id Multicast VLAN configuration examples Sub VLAN based multicast VLAN configuration example Network requirements As shown in Figure 23 Layer 3 device Switch A runs IGMPv2 and acts as...

Страница 67: ...A vlan 10 SwitchA vlan10 quit Configure HundredGigE 1 0 1 as a hybrid port and assign the port to VLAN 10 as a tagged VLAN member SwitchA interface hundredgige 1 0 1 SwitchA HundredGigE1 0 1 port link type hybrid SwitchA HundredGigE1 0 1 port hybrid vlan 10 tagged SwitchA HundredGigE1 0 1 quit Assign an IP address to VLAN interface 10 and enable IGMP on the interface SwitchA interface vlan interfa...

Страница 68: ...nable SwitchB vlan4 quit Create VLAN 10 and enable IGMP snooping for the VLAN SwitchB vlan 10 SwitchB vlan10 igmp snooping enable SwitchB vlan10 quit Configure HundredGigE 1 0 1 as a hybrid port and assign the port to VLAN 10 as a tagged VLAN member SwitchB interface hundredgige 1 0 1 SwitchB HundredGigE1 0 1 port link type hybrid SwitchB HundredGigE1 0 1 port hybrid vlan 10 tagged SwitchB Hundred...

Страница 69: ... runs IGMPv2 snooping The multicast source sends multicast data to multicast group 224 1 1 1 Receivers Host A Host B and Host C belong to VLAN 2 VLAN 3 and VLAN 4 respectively Configure a port based multicast VLAN on Switch B to meet the following requirements Switch A sends multicast data to Switch B through the multicast VLAN Switch B forwards the multicast data to the receivers in different use...

Страница 70: ...A Vlan interface10 quit 2 Configure Switch B Enable IGMP snooping globally SwitchB system view SwitchB igmp snooping SwitchB igmp snooping quit Create VLAN 10 assign HundredGigE 1 0 1 to the VLAN and enable IGMP snooping for the VLAN SwitchB vlan 10 SwitchB vlan10 port hundredgige 1 0 1 SwitchB vlan10 igmp snooping enable SwitchB vlan10 quit Create VLAN 2 and enable IGMP snooping for the VLAN Swit...

Страница 71: ...1 0 4 port link type hybrid SwitchB HundredGigE1 0 4 port hybrid pvid vlan 4 Assign HundredGigE 1 0 4 to VLAN 4 and VLAN 10 as an untagged VLAN member SwitchB HundredGigE1 0 4 port hybrid vlan 4 untagged SwitchB HundredGigE1 0 4 port hybrid vlan 10 untagged SwitchB HundredGigE1 0 4 quit Configure VLAN 10 as a multicast VLAN SwitchB multicast vlan 10 Assign HundredGigE 1 0 2 and HundredGigE 1 0 3 t...

Страница 72: ... Host ports 3 in total HGE1 0 2 00 03 23 HGE1 0 3 00 04 07 HGE1 0 4 00 04 16 The output shows that IGMP snooping maintains the user ports in the multicast VLAN VLAN 10 Switch B will forward the multicast data of VLAN 10 through these user ports ...

Страница 73: ...hat travels along the RPT the packet source is the RP For a bootstrap message originated from the BSR the packet source is the BSR For more information about the concepts of SPT RPT source side RPT RP and BSR see Configuring PIM 2 The router selects one of the three optimal routes as the RPF route as follows If the router uses the longest prefix match principle the route with the highest subnet ma...

Страница 74: ...erface is the incoming interface it means that the forwarding entry is correct but the packet traveled along a wrong path The packet fails the RPF check and the router discards the packet If the RPF interface is not the incoming interface it means that the forwarding entry has expired The router replaces the incoming interface with the RPF interface and matches the receiving interface against the ...

Страница 75: ...ging an RPF route As shown in Figure 26 when no static multicast route is configured Device C s RPF neighbor on the path back to the source is Device A The multicast data from the source travels through Device A to Device C You can configure a static multicast route on Device C and specify Device B as Device C s RPF neighbor on the path back to the source The multicast data from the source travels...

Страница 76: ...ross unicast subnets Routers forward the multicast data from a multicast source hop by hop along the forwarding tree but some routers might not support multicast protocols in a network When the multicast data is forwarded to a router that does not support IP multicast the forwarding path is blocked In this case you can enable multicast forwarding across two unicast subnets by establishing a tunnel...

Страница 77: ...al Configuring multicast load splitting Optional Configuring a multicast forwarding boundary Optional Setting the multicast hardware resource mode NOTE The device can route and forward multicast data only through the primary IP addresses of interfaces rather than their secondary addresses or unnumbered IP addresses For more information about primary and secondary IP addresses and IP unnumbered see...

Страница 78: ...ber preference preference By default no static multicast routes exist 3 Optional Delete static multicast routes Delete a specific static multicast route undo ip rpf route static vpn instance vpn instance name source address mask length mask rpf nbr address interface type interface number Delete all static multicast routes delete ip rpf route static vpn instance vpn instance name N A Specifying the...

Страница 79: ...ore this configuration To configure a multicast forwarding boundary Step Command Remarks 1 Enter system view system view N A 2 Enter interface view interface interface type interface number N A 3 Configure the interface as a multicast forwarding boundary for a multicast group range multicast boundary group address mask length mask By default an interface is not a multicast forwarding boundary Sett...

Страница 80: ...alone mode Display DF information display multicast vpn instance vpn instance name forwarding df info rp address verbose slot slot number cpu cpu number In IRF mode Display DF information display multicast vpn instance vpn instance name forwarding df info rp address verbose chassis chassis number slot slot number cpu cpu number In standalone mode Display statistics for multicast forwarding events ...

Страница 81: ...pf info source address group address In standalone mode Clear multicast fast forwarding entries reset multicast vpn instance vpn instance name fast forwarding cache source address group address all slot slot number cpu cpu number In IRF mode Clear multicast fast forwarding entries reset multicast vpn instance vpn instance name fast forwarding cache source address group address all chassis chassis ...

Страница 82: ...wn 3 Enable IP multicast routing and enable IGMP and PIM DM On Switch B enable IP multicast routing SwitchB system view SwitchB multicast routing SwitchB mrib quit Enable IGMP on the receiver side interface VLAN interface 100 SwitchB interface vlan interface 100 SwitchB Vlan interface100 igmp enable SwitchB Vlan interface100 quit Enable PIM DM on other interfaces SwitchB interface vlan interface 1...

Страница 83: ... route type igp Route selection rule preference preferred Load splitting rule disable The output shows that the current RPF route on Switch B is contributed by a unicast routing protocol and the RPF neighbor is Switch A 5 Configure a static multicast route on Switch B and specify Switch C as its RPF neighbor on the route to Source SwitchB ip rpf route static 50 1 1 100 24 20 1 1 2 Verifying the co...

Страница 84: ... routing SwitchC mrib quit Enable IGMP on the receiver side interface VLAN interface 100 SwitchC interface vlan interface 100 SwitchC Vlan interface100 igmp enable SwitchC Vlan interface100 quit Enable PIM DM on VLAN interface 101 SwitchC interface vlan interface 101 SwitchC Vlan interface101 pim dm SwitchC Vlan interface101 quit On Switch A enable IP multicast routing SwitchA system view SwitchA ...

Страница 85: ...F information for Source 2 on Switch B SwitchB display multicast rpf info 50 1 1 100 RPF information about source 50 1 1 100 RPF interface Vlan interface102 RPF neighbor 30 1 1 2 Referenced route mask 50 1 1 0 24 Referenced route type multicast static Route selection rule preference preferred Load splitting rule disable Display RPF information for Source 2 on Switch C SwitchC display multicast rpf...

Страница 86: ...been correctly configured and that the route entry exists in the static multicast routing table 2 Check the type of interface that connects the static multicast route to the RPF neighbor If the interface is not a point to point interface be sure to specify the address for the RPF neighbor 3 If the problem persists contact Hewlett Packard Enterprise Support ...

Страница 87: ...hat run IGMP on the same subnet can get IGMP membership report messages called reports from hosts However only one router can act as the IGMP querier to send IGMP query messages called queries The querier election mechanism determines which router acts as the IGMP querier on the subnet In IGMPv1 the DR elected by the multicast routing protocol such as PIM acts as the IGMP querier For more informat...

Страница 88: ...tops sending reports to that multicast group If the subnet has no members for a multicast group the IGMP routers will not receive any report addressed to that multicast group In this case the routers clear the information for that multicast group after a period of time IGMPv2 enhancements Backwards compatible with IGMPv1 IGMPv2 has introduced a querier election mechanism and a leave group mechanis...

Страница 89: ...icast sources When a host joins a multicast group one of the following occurs If the host expects to receive multicast data from specific sources like S1 S2 it sends a report with the Filter Mode denoted as Include Sources S1 S2 If the host expects to reject multicast data from specific sources like S1 S2 it sends a report with the Filter Mode denoted as Exclude Sources S1 S2 As shown in Figure 32...

Страница 90: ...changed from Exclude to Include TO_EX The filtering mode has changed from Include to Exclude ALLOW The Source Address field contains a list of additional sources from which the receiver wants to obtain data If the current filtering mode is Include these sources are added to the multicast source list If the current filtering mode is Exclude these sources are deleted from the multicast source list B...

Страница 91: ...range and matches IGMP SSM mappings Router A translates G in the report into G INCLUDE S1 S2 to provide SSM services NOTE The IGMP SSM mapping feature does not process IGMPv3 reports For more information about SSM group ranges see Configuring PIM IGMP proxying As shown in Figure 34 in a simple tree shaped topology it is not necessary to run multicast routing protocols such as PIM on edge devices I...

Страница 92: ...n this membership database The host interfaces respond to queries according to the membership database or send join leave messages when the database changes The router interfaces participate in the querier election send queries and maintain memberships based on received IGMP reports IGMP support for VPNs IGMP maintains group memberships on a per interface basis After receiving an IGMP message on a...

Страница 93: ...re you configure basic IGMP features complete the following tasks Configure any unicast routing protocol so that all devices can interoperate at the network layer Configure PIM Determine the IGMP version Determine the multicast group and multicast source addresses for static group member configuration Determine the ACL to be used in the multicast group policy Enabling IGMP Enable IGMP on the inter...

Страница 94: ...s a static group member has the following restrictions If the interface is IGMP and PIM SM enabled it must be a PIM SM DR If the interface is IGMP enabled but not PIM SM enabled it must be an IGMP querier For more information about PIM SM and DR see Configuring PIM Configuration procedure To configure a static group member Step Command Remarks 1 Enter system view system view N A 2 Enter interface ...

Страница 95: ...ends group specific queries after receiving a leave message In IGMPv3 it sets the interval at which a querier sends group and source specific queries after receiving a report that changes multicast source and group mappings IGMP last member query count In IGMPv2 it sets the number of group specific queries that a querier sends after receiving a leave message In IGMPv3 it sets the number of group a...

Страница 96: ... IGMP view igmp vpn instance vpn instance name N A 3 Set the IGMP querier s robustness variable robust count count By default the IGMP querier s robustness variable is 2 4 Set the IGMP startup query interval startup query interval interval By default the IGMP startup query interval equals one quarter of the IGMP general query interval 5 Set the IGMP startup query count startup query count count By...

Страница 97: ...ult the IGMP last member query count equals the IGMP querier s robustness variable 9 Set the maximum response time for IGMP general queries igmp max response time time By default the maximum response time for IGMP general queries is 10 seconds 10 Set the IGMP other querier present timer igmp other querier present interval interval By default the IGMP other querier present timer is calculated by us...

Страница 98: ...section describes how to configure IGMP proxying Configuration prerequisites Before you configure the IGMP proxying feature complete the following tasks 1 Configure a unicast routing protocol so that all devices in the domain can interoperate at the network layer 2 Determine the router interfaces and host interfaces based on the network topology 3 Enable IGMP on the router interfaces Enabling IGMP...

Страница 99: ...ce failed in the querier election enable multicast forwarding on the interface to forward multicast data to attached receiver hosts Configuration restrictions and guidelines A shared media network might have multiple MLD proxies including one proxy acting as a querier To avoid duplicate multicast traffic do not enable multicast forwarding on any of the non querier MLD proxies for the network Confi...

Страница 100: ...reset commands in user view Task Command Display information about IGMP multicast groups display igmp vpn instance vpn instance name group group address interface interface type interface number static verbose Display IGMP information for interfaces display igmp vpn instance vpn instance name interface interface type interface number host proxy verbose Display multicast group membership informatio...

Страница 101: ... a lower IP address Configure the routers to meet the following requirements The hosts in N1 can join only multicast group 224 1 1 1 The hosts in N2 can join any multicast groups Figure 35 Network diagram Configuration procedure 1 Assign an IP address and subnet mask to each interface as shown in Figure 35 Details not shown 2 Configure OSPF on the switches in the PIM DM domain Details not shown 3 ...

Страница 102: ...iew SwitchC multicast routing SwitchC mrib quit Enable IGMP on VLAN interface 200 SwitchC interface vlan interface 200 SwitchC Vlan interface200 igmp enable SwitchC Vlan interface200 quit Enable PIM DM on VLAN interface 202 SwitchC interface vlan interface 202 SwitchC Vlan interface202 pim dm SwitchC Vlan interface202 quit 4 Configure a multicast group policy on Switch A so that hosts connected to...

Страница 103: ...icast packets to multicast groups in the SSM group range 232 1 1 0 24 Configure the IGMP SSM mapping feature on Switch D so that the receiver host can receive multicast data only from Source 1 and Source 3 Figure 36 Network diagram Table 6 Interface and IP address assignment Device Interface IP address Device Interface IP address Source 1 133 133 1 1 24 Source 3 133 133 3 1 24 Source 2 133 133 2 1...

Страница 104: ...erface104 pim sm SwitchD Vlan interface104 quit On Switch A enable IP multicast routing SwitchA system view SwitchA multicast routing SwitchA mrib quit Enable PIM SM on each interface SwitchA interface vlan interface 100 SwitchA Vlan interface100 pim sm SwitchA Vlan interface100 quit SwitchA interface vlan interface 101 SwitchA Vlan interface101 pim sm SwitchA Vlan interface101 quit SwitchA interf...

Страница 105: ...y joined SwitchD display igmp group IGMP groups in total 1 Vlan interface400 133 133 4 2 IGMP groups reported in total 1 Group address Last reporter Uptime Expires 232 1 1 1 133 133 4 1 00 02 04 off Display PIM routing entries on Switch D SwitchD display pim routing table Total 0 G entry 2 S G entry 133 133 1 1 232 1 1 1 RP 192 168 4 1 Protocol pim ssm Flag UpTime 00 13 25 Upstream interface Vlan ...

Страница 106: ...e as shown in Figure 37 Details not shown 2 Enable IP multicast routing PIM DM IGMP and IGMP proxying On Switch A enable IP multicast routing SwitchA system view SwitchA multicast routing SwitchA mrib quit Enable PIM DM on VLAN interface 101 SwitchA interface vlan interface 101 SwitchA Vlan interface101 pim dm SwitchA Vlan interface101 quit Enable IGMP on VLAN interface 100 SwitchA interface vlan ...

Страница 107: ...xists on the router closest to that host Solution To resolve the problem 1 Use the display igmp interface command to verify that the networking interface connection and IP address configuration are correct 2 Use the display current configuration command to verify that multicast routing is enabled If it is not enabled use the multicast routing command in system view to enable IP multicast routing I...

Страница 108: ... interfaces 2 Use the display igmp interface command on all routers on the same subnet to verify the IGMP related timer settings Make sure the settings are consistent on all the routers 3 Use the display igmp interface command to verify that all routers on the same subnet are running the same IGMP version 4 If the problem persists contact Hewlett Packard Enterprise Support ...

Страница 109: ...work Branches without downstream receivers are pruned from the forwarding trees When a pruned branch has new receivers the graft mechanism turns the pruned branch into a forwarding branch In PIM DM the multicast forwarding paths for a multicast group constitutes a forwarding tree The forwarding tree is rooted at the multicast source and has multicast group members as its leaves Because the forward...

Страница 110: ... forwarding branches Graft A previously pruned branch might have new downstream receivers To reduce the latency for resuming the forwarding capability of this branch a graft mechanism is used as follows 1 The node that needs to receive the multicast data sends a graft message to its upstream node telling it to rejoin the SPT 2 After receiving this graft message on an interface the upstream node ad...

Страница 111: ... uses the flood and prune cycles to build SPTs for multicast data forwarding Although an SPT has the shortest paths from the multicast source to the receivers it is built with a low efficiency Therefore PIM DM is not suitable for large and medium sized networks PIM SM uses the pull mode for multicast forwarding and it is suitable for large and medium sized networks with sparsely and widely distrib...

Страница 112: ... RP discovery An RP is the core of a PIM SM domain For a small sized simple network one RP is enough for multicast forwarding throughout the network In this case you can specify a static RP on each router in the PIM SM domain However in a PIM SM network that covers a wide area a huge amount of multicast data is forwarded by the RP To lessen the RP burden and optimize the topological structure of t...

Страница 113: ...ctive RP fails the multicast traffic might be interrupted The Anycast RP mechanism enables redundancy backup among RPs by configuring multiple RPs with the same IP address A multicast source registers with the closest RP or a receiver joins the closest RP to implement source information synchronization Anycast RP has the following benefits Optimal RP path A multicast source registers with the clos...

Страница 114: ...siders that the register message is from the DR RP 1 changes the source IP address of the register message to its own address and sends the message to the other members RP 2 and RP 3 If a router acts as both a DR and an RP it creates a register message and then forwards the message to the other RP members b After receiving the register message RP 2 and RP 3 find out that the source address of the ...

Страница 115: ...eaches the RP the RP forwards the data to the DR along the established RPT and finally to the receiver When a receiver is no longer interested in the multicast data addressed to the multicast group G the receiver side DR sends a prune message The prune message goes hop by hop along the RPT to the RP After receiving the prune message the upstream node deletes the interface that connects to this dow...

Страница 116: ...R to prevent the DR from unnecessarily encapsulating the data Switchover to SPT CAUTION If the switch is an RP disabling switchover to SPT might cause multicast traffic forwarding failures on the source side DR When disabling switchover to SPT be sure you fully understand its impact on your network In a PIM SM domain only one RP and one RPT provide services for a specific multicast group Before th...

Страница 117: ...For more information see Assert BIDIR PIM overview In some many to many applications such as a multi side video conference multiple receivers of a multicast group might be interested in the multicast data from multiple multicast sources With PIM DM or PIM SM each router along the SPT must create an S G entry for each multicast source consuming a lot of system resources BIDIR PIM addresses the prob...

Страница 118: ...IM routers 224 0 0 13 to initiate a DF election process The election message carries the RP s address and the route preference and the metric of the unicast route or static multicast route to the RP A DF is elected as follows 1 The router with a higher route preference becomes the DF 2 If the routers have the same route preference the router with a lower metric becomes the DF 3 If the routers have...

Страница 119: ...ds a G entry to its forwarding table After a receiver host leaves the multicast group G the directly connected router multicasts a prune message to all PIM routers on the subnet The prune message goes hop by hop along the reverse direction of the RPT to the RP After receiving the prune message an upstream node removes the interface that connects to the downstream node from the outgoing interface l...

Страница 120: ...M SM domain or a BIDIR PIM domain contains only one BSR which is responsible for advertising RP set information within the entire domain The information about all multicast groups is forwarded within the network that the BSR administers This is called the non scoped BSR mechanism Administrative scoping mechanism To implement refined management you can divide a PIM SM domain or BIDIR PIM domain int...

Страница 121: ...al zone for particular multicast groups The multicast packets for such multicast groups are confined within the local admin scoped zone and cannot cross the boundary of the zone Figure 48 Relationship in view of geographical locations As shown in Figure 48 for the multicast groups in a specific group address range the admin scoped zones must be geographically separated and isolated A router cannot...

Страница 122: ...ual applications part of IGMPv3 and PIM SM techniques are adopted to implement the SSM model In the SSM model because receivers have located a multicast source no RP or RPT is required Multicast sources do not register with the RP and the MSDP is not needed for discovering multicast sources in other PIM domains Neighbor discovery PIM SSM uses the same neighbor discovery mechanism as PIM SM For mor...

Страница 123: ...ld an SPT The SPT is rooted at the multicast source S and has the receivers as its leaves This SPT is the transmission channel in PIM SSM If the group address is not in the SSM group range the receiver side DR sends a G join message to the RP The multicast source registers with the source side DR In PIM SSM the term subscribe message refers to a join message Relationship among PIM protocols In a P...

Страница 124: ...DM Protocol Specification Revised RFC 4601 Protocol Independent Multicast Sparse Mode PIM SM Protocol Specification Revised RFC 4610 Anycast RP Using Protocol Independent Multicast PIM RFC 5015 Bidirectional Protocol Independent Multicast BIDIR PIM RFC 5059 Bootstrap Router BSR Mechanism for Protocol Independent Multicast PIM RFC 4607 Source Specific Multicast for IP Draft ietf ssm overview 05 An ...

Страница 125: ... All the interfaces on a device must operate in the same PIM mode in the public network or the same VPN instance To enable PIM DM Step Command Remarks 1 Enter system view system view N A 2 Enable IP multicast routing and enter MRIB view multicast routing vpn instance vpn instance name By default IP multicast routing is disabled 3 Return to system view quit N A 4 Enter interface view interface inte...

Страница 126: ...e The state refresh message stops being forwarded when the TTL value comes down to 0 A state refresh message with a large TTL value might cycle on a small network To effectively control the propagation scope of state refresh messages configure an appropriate TTL value based on the network size on the router directly connected with the multicast source To configure state refresh parameters Step Com...

Страница 127: ...sk of configuring a BSR on a network without C RPs Optional Configuring multicast source registration N A Optional Configuring the switchover to SPT N A Optional Configuring common PIM features N A Configuration prerequisites Before you configure PIM SM configure a unicast routing protocol so that all devices in the domain can interoperate at the network layer Enabling PIM SM Enable IP multicast r...

Страница 128: ...configure static RPs for PIM SM follow these restrictions and guidelines You can configure the same static RP for different multicast groups by using the same RP address but different ACLs You do not need to enable PIM for an interface to be configured as a static RP If you configure multiple static RPs for a multicast group only the static RP with the highest IP address takes effect To configure ...

Страница 129: ...ages are 224 0 1 39 and 224 0 1 40 respectively To enable Auto RP listening Step Command Remarks 1 Enter system view system view N A 2 Enter PIM view pim vpn instance vpn instance name N A 3 Enable Auto RP listening auto rp enable By default Auto RP listening is disabled Configuring Anycast RP IMPORTANT The Anycast RP address must be different from the BSR address Otherwise the other Anycast RP me...

Страница 130: ... uses the winner s BSR address to replace its own BSR address and no longer regards itself as the BSR The winner retains its own BSR address and continues to regard itself as the BSR The elected BSR distributes the RP set information collected from C RPs to all routers in the PIM SM domain All routers use the same hash algorithm to select an RP for a specific multicast group A BSR policy enables a...

Страница 131: ...erface interface type interface number N A 3 Configure a PIM domain border pim bsr boundary By default an interface is not a PIM domain border Disabling BSM semantic fragmentation BSM semantic fragmentation enables a BSR to split a BSM into multiple BSM fragments BSMFs if the BSM exceeds the MTU In this way a non BSR router can update the RP set information for a group range after receiving all BS...

Страница 132: ...hecksum based on the entire register message to ensure information integrity of a register message in the transmission process If a device that does not support this feature is present on the network you can configure the device to calculate the checksum based on the register message header The RP sends a register stop message to the source side DR in either of the following conditions The RP stop...

Страница 133: ...ause multicast traffic forwarding failures on the source side DR When disabling the switchover to SPT make sure you fully understand its impact on your network To configure the switchover to SPT Step Command Remarks 1 Enter system view system view N A 2 Enter PIM view pim vpn instance vpn instance name N A 3 Configure the RPT to SPT switchover spt switch threshold immediacy infinity group policy i...

Страница 134: ...st be enabled with the same PIM mode To enable BIDIR PIM Step Command Remarks 1 Enter system view system view N A 2 Enable IP multicast routing and enter MRIB view multicast routing vpn instance vpn instance name By default IP multicast routing is disabled 3 Return to system view quit N A 4 Enter interface view interface interface type interface number N A 5 Enable PIM SM pim sm By default PIM SM ...

Страница 135: ...ct To configure a static RP Step Command Remarks 1 Enter system view system view N A 2 Enter PIM view pim vpn instance vpn instance name N A 3 Configure a static RP for BIDIR PIM static rp rp address bidir ipv4 acl number preferred By default no static RPs exist Configuring a C RP IMPORTANT When you configure a C RP reserve a large bandwidth between the C RP and other devices in the BIDIR PIM doma...

Страница 136: ...P is implemented on all PIM enabled interfaces To avoid unnecessary DF elections do not configure multiple RPs for BIDIR PIM This configuration sets a limit on the number of BIDIR PIM RPs If the number of RPs exceeds the limit excess RPs do not take effect and can be used only for DF election rather than multicast data forwarding The system does not delete the excess RPs They must be deleted manua...

Страница 137: ...hen an attacker controls a router on the network the attacker can configure the router as a C BSR to win the BSR election Through this router the attacker controls the advertising of RP information When you configure a C BSR follow these restrictions and guidelines C BSRs should be configured on routers on the backbone network You must configure the same BSR policy on all routers in the BIDIR PIM ...

Страница 138: ...SM semantic fragmentation Step Command Remarks 1 Enter system view system view N A 2 Enter PIM view pim vpn instance vpn instance name N A 3 Disable BSM semantic fragmentation undo bsm fragment enable By default BSM semantic fragmentation is enabled NOTE Generally a BSR performs BSM semantic fragmentation according to the MTU of its BSR interface For BSMs originated due to learning of a new PIM ne...

Страница 139: ...terfaces on a device must be enabled with the same PIM mode To enable PIM SM Step Command Remarks 1 Enter system view system view N A 2 Enable IP multicast routing and enter MRIB view multicast routing vpn instance vpn instance name By default IP multicast routing is disabled 3 Return to system view quit N A 4 Enter interface view interface interface type interface number N A 5 Enable PIM SM pim s...

Страница 140: ... PIM hello message options Optional Configuring common PIM timers Optional Setting the maximum size of a join or prune message Optional Enabling BFD for PIM Optional Enabling PIM passive mode Optional Enabling PIM NSR Optional Enabling SNMP notifications for PIM Optional Setting a DSCP value for outgoing PIM messages Configuration prerequisites Before you configure common PIM features complete the...

Страница 141: ... only Priority for DR election The device with the highest priority wins the DR election You can configure this option for all the routers in a shared media LAN that directly connects to the multicast source or the receivers Holdtime PIM neighbor lifetime If a router does not receive a hello message from a neighbor when the neighbor lifetime expires it regards the neighbor failed or unreachable LA...

Страница 142: ...ion made in interface view takes priority over the configuration made in PIM view Configuring hello message options globally Step Command Remarks 1 Enter system view system view N A 2 Enter PIM view pim vpn instance vpn instance name N A 3 Set the DR priority hello option dr priority priority The default setting is 1 4 Set the neighbor lifetime hello option holdtime time The default setting is 105...

Страница 143: ...s the joined pruned state for the downstream interfaces This joined pruned state holdtime is specified in a join prune message Multicast source lifetime Lifetime that a PIM router maintains for a multicast source If a router does not receive subsequent multicast data from the multicast source S when the timer expires it deletes the S G entry for the multicast source You can configure common PIM ti...

Страница 144: ... or prune message Step Command Remarks 1 Enter system view system view N A 2 Enter PIM view pim vpn instance vpn instance name N A 3 Set the maximum size of a join or prune message jp pkt size size The default setting is 8100 bytes Enabling BFD for PIM If a DR on a shared media network fails a new DR election process does not start until the DR ages out In addition it might take a long period of t...

Страница 145: ...ve By default PIM passive mode is disabled on an interface Enabling PIM NSR This feature enables PIM to back up protocol state information and data including PIM neighbor information and routes from the active process to the standby process The standby process immediately takes over when the active process fails Use this feature to avoid route flapping and forwarding interruption for PIM when an a...

Страница 146: ...nstance vpn instance name claimed route source address Display C RP information in the PIM SM domain display pim vpn instance vpn instance name c rp local Display DF information in the BIDIR PIM domain display pim vpn instance vpn instance name df info rp address Display PIM information on an interface display pim vpn instance vpn instance name interface interface type interface number verbose Dis...

Страница 147: ...Interface IP address Switch A Vlan int100 10 110 1 1 24 Switch C Vlan int102 192 168 3 1 24 Switch A Vlan int103 192 168 1 1 24 Switch D Vlan int300 10 110 5 1 24 Switch B Vlan int200 10 110 2 1 24 Switch D Vlan int103 192 168 1 2 24 Switch B Vlan int101 192 168 2 1 24 Switch D Vlan int101 192 168 2 2 24 Switch C Vlan int200 10 110 2 2 24 Switch D Vlan int102 192 168 3 2 24 Configuration procedure...

Страница 148: ...stem view SwitchD multicast routing SwitchD mrib quit SwitchD interface vlan interface 300 SwitchD Vlan interface300 pim dm SwitchD Vlan interface300 quit SwitchD interface vlan interface 103 SwitchD Vlan interface103 pim dm SwitchD Vlan interface103 quit SwitchD interface vlan interface 101 SwitchD Vlan interface101 pim dm SwitchD Vlan interface101 quit SwitchD interface vlan interface 102 Switch...

Страница 149: ...pim dm Flag ACT UpTime 00 06 14 Upstream interface Vlan interface103 Upstream neighbor 192 168 1 2 RPF prime neighbor 192 168 1 2 Downstream interface s information Total number of downstreams 1 1 Vlan interface100 Protocol pim dm UpTime 00 04 25 Expires Display PIM routing entries on Switch D SwitchD display pim routing table Total 0 G entry 1 S G entry 10 110 5 100 225 1 1 1 Protocol pim dm Flag...

Страница 150: ...ween Switch A and N1 and between Switch B Switch C and N2 Figure 53 Network diagram Table 8 Interface and IP address assignment Device Interface IP address Device Interface IP address Switch A Vlan int100 10 110 1 1 24 Switch D Vlan int300 10 110 5 1 24 Switch A Vlan int101 192 168 1 1 24 Switch D Vlan int101 192 168 1 2 24 Switch A Vlan int102 192 168 9 1 24 Switch D Vlan int105 192 168 4 2 24 Sw...

Страница 151: ...tchA interface vlan interface 102 SwitchA Vlan interface102 pim sm SwitchA Vlan interface102 quit Enable IP multicast routing IGMP and PIM SM on Switch B and Switch C in the same way Switch A is configured Details not shown Enable IP multicast routing and PIM SM on Switch D and Switch E in the same way Switch A is configured Details not shown 4 Configure C BSRs C RPs and the static RP On Switch E ...

Страница 152: ...information on Switch E SwitchE display pim bsr info Scope non scoped State Elected Bootstrap timer 00 01 44 Elected BSR address 192 168 9 2 Priority 64 Hash mask length 30 Uptime 00 11 18 Candidate BSR address 192 168 9 2 Priority 64 Hash mask length 30 Display RP information on Switch A SwitchA display pim rp info BSR RP information Scope non scoped Group MaskLen 225 1 1 0 24 RP address Priority...

Страница 153: ... that directly connect to them respectively Figure 54 Network diagram Table 9 Interface and IP address assignment Device Interface IP address Device Interface IP address Switch A Vlan int100 192 168 1 1 24 Switch D Vlan int105 10 110 5 2 24 Switch A Vlan int101 10 110 1 1 24 Switch D Vlan int108 10 110 7 1 24 Switch B Vlan int200 192 168 2 1 24 Switch D Vlan int107 10 110 8 1 24 Switch B Vlan int1...

Страница 154: ...uting SwitchA system view SwitchA multicast routing SwitchA mrib quit Enable IGMP on the receiver side interface VLAN interface 100 SwitchA interface vlan interface 100 SwitchA Vlan interface100 igmp enable SwitchA Vlan interface100 quit Enable PIM SM on VLAN interface 101 SwitchA interface vlan interface 101 SwitchA Vlan interface101 pim sm SwitchA Vlan interface101 quit Enable IP multicast routi...

Страница 155: ...D configure VLAN interface 107 as the boundary of admin scoped zone 2 SwitchD system view SwitchD interface vlan interface 107 SwitchD Vlan interface107 multicast boundary 239 0 0 0 8 SwitchD Vlan interface107 quit 5 Configure C BSRs and C RPs On Switch B configure the service scope of RP advertisements SwitchB acl basic 2001 SwitchB acl ipv4 basic 2001 rule permit source 239 0 0 0 0 255 255 255 S...

Страница 156: ...Priority 64 Hash mask length 30 Uptime 00 04 54 Candidate BSR address 10 110 1 2 Priority 64 Hash mask length 30 Display BSR information on Switch D SwitchD display pim bsr info Scope non scoped State Accept Preferred Bootstrap timer 00 01 44 Elected BSR address 10 110 9 1 Priority 64 Hash mask length 30 Uptime 00 01 45 Scope 239 0 0 0 8 State Elected Bootstrap timer 00 01 12 Elected BSR address 1...

Страница 157: ...pim rp info BSR RP information Scope non scoped Group MaskLen 224 0 0 0 4 RP address Priority HoldTime Uptime Expires 10 110 9 1 192 180 00 03 42 00 01 48 Scope 239 0 0 0 8 Group MaskLen 239 0 0 0 8 RP address Priority HoldTime Uptime Expires 10 110 5 2 local 192 180 00 06 54 00 02 41 Display RP information on Switch F SwitchF display pim rp info BSR RP information Scope non scoped Group MaskLen 2...

Страница 158: ...h C Vlan int103 10 110 3 1 24 Receiver 2 192 168 3 100 24 Switch C Loop0 1 1 1 1 32 Configuration procedure 1 Assign an IP address and subnet mask to each interface as shown in Figure 55 Details not shown 2 Configure OSPF on the switches in the BIDIR PIM domain Details not shown 3 Enable IP multicast routing PIM SM BIDIR PIM and IGMP On Switch A enable IP multicast routing enable PIM SM on each in...

Страница 159: ...m SwitchB pim bidir pim enable SwitchB pim quit On Switch C enable IP multicast routing enable PIM SM on each interface and enable BIDIR PIM SwitchC system view SwitchC multicast routing SwitchC mrib quit SwitchC interface vlan interface 102 SwitchC Vlan interface102 pim sm SwitchC Vlan interface102 quit SwitchC interface vlan interface 103 SwitchC Vlan interface103 pim sm SwitchC Vlan interface10...

Страница 160: ...0 1 2 Display BIDIR PIM DF information on Switch B SwitchB display pim df info RP address 1 1 1 1 Interface State DF Pref DF Metric DF Uptime DF Address Vlan200 Win 100 1 01 24 09 192 168 2 1 local Vlan101 Win 100 1 01 24 09 10 110 1 2 local Vlan102 Lose 0 0 01 23 12 10 110 2 2 Display BIDIR PIM DF information on Switch C SwitchC display pim df info RP address 1 1 1 1 Interface State DF Pref DF Me...

Страница 161: ...information about DFs for multicast forwarding on Switch C SwitchC display multicast forwarding df info Total 1 RP 1 matched 00001 RP address 1 1 1 1 Flags 0x0 Uptime 00 07 21 RPF interface LoopBack0 List of 2 DF interfaces 1 Vlan interface102 2 Vlan interface103 Display information about DFs for multicast forwarding on Switch D SwitchD display multicast forwarding df info Total 1 RP 1 matched 000...

Страница 162: ...nt105 192 168 4 2 24 Switch B Vlan int200 10 110 2 1 24 Switch E Vlan int104 192 168 3 2 24 Switch B Vlan int103 192 168 2 1 24 Switch E Vlan int103 192 168 2 2 24 Switch C Vlan int200 10 110 2 2 24 Switch E Vlan int102 192 168 9 2 24 Switch C Vlan int104 192 168 3 1 24 Switch E Vlan int105 192 168 4 1 24 Configuration procedure 1 Assign an IP address and subnet mask to each interface as shown in ...

Страница 163: ...ot shown 4 Configure the SSM group range Configure the SSM group range 232 1 1 0 24 on Switch A SwitchA acl basic 2000 SwitchA acl ipv4 basic 2000 rule permit source 232 1 1 0 0 0 0 255 SwitchA acl ipv4 basic 2000 quit SwitchA pim SwitchA pim ssm policy 2000 SwitchA pim quit Configure the SSM group range on Switch B Switch C Switch D and Switch E in the same way Switch A is configured Details not ...

Страница 164: ...t sources or receivers in a PIM network This means that a multicast distribution tree cannot be built correctly Solution To resolve the problem 1 Use display ip routing table to verify that a unicast route to the multicast source or the RP is available 2 Use display pim interface to verify PIM information on each interface especially on the RPF interface If PIM is not enabled on the interfaces use...

Страница 165: ...ble to verify that a unicast route to the RP is available on each router 2 Use display pim rp info to verify that the dynamic RP information is consistent on all routers 3 Use display pim rp info to verify that the same static RPs are configured on all routers on the network 4 If the problem persists contact Hewlett Packard Enterprise Support An RPT cannot be built or multicast source registration...

Страница 166: ...158 5 If the problem persists contact Hewlett Packard Enterprise Support ...

Страница 167: ... domains This allows multicast data to be transmitted among different domains With MSDP peer relationships established between appropriate routers on the network the RPs of different PIM SM domains are interconnected with one another These MSDP peers exchange source active SA messages so that the multicast source information is shared among these domains MSDP is applicable only if the intra domain...

Страница 168: ...r MSDP peer with multiple remote MSDP peers such as RP 2 An intermediate MSDP peer forwards SA messages received from one remote MSDP peer to other remote MSDP peers It acts as a relay for forwarding multicast source information MSDP peers created on PIM SM routers that are not RPs Router A and Router B are MSDP peers on multicast routers that are not RPs Such MSDP peers only forward SA messages I...

Страница 169: ...peers into an MSDP mesh group to avoid SA message flooding between MSDP peers NOTE An MSDP mesh group refers to a group of MSDP peers that establish MSDP peering relationships with each other and share the same group name 4 SA messages are forwarded from one MSDP peer to another Finally information about the multicast source traverses all PIM SM domains with MSDP peers PIM SM 2 and PIM SM 3 in thi...

Страница 170: ...timal RPT Redundancy backup among RPs When an RP fails the RP related sources and receiver side DRs will register with or join their closest available RPs This achieves redundancy backup among RPs Anycast RP is implemented by using either of the following methods Anycast RP through PIM SM In this method you can configure multiple RPs for one multicast group and add them to an Anycast RP set For mo...

Страница 171: ...P forwards the data along the RPT to the receiver After receiving the multicast data the receiver side DR determines whether to initiate an RPT to SPT switchover process based on its configuration MSDP peer RPF forwarding The MSDP peer RPF check is used for forwarding SA messages on a network that runs MSDP If the peer RPF check succeeds the SA message is accepted and forwarded Otherwise the SA me...

Страница 172: ...message because RP 6 is its static RPF peer 7 RP 8 accepts and forwards the SA message because RP 7 is the EBGP or MBGP next hop of the peer RPF route to RP 1 8 RP 9 accepts the SA message because RP 8 is the only RP of RP 9 MSDP support for VPNs Interfaces on the multicast routers in a VPN can set up MSDP peering relationships with each other With the SA messages exchanged between MSDP peers the ...

Страница 173: ...sages Optional Configuring SA message policies Optional Configuring the SA cache mechanism Optional Enabling MSDP NSR Configuring basic MSDP features All the configuration tasks in this section should be performed on RPs in PIM SM domains and each of these RPs acts as an MSDP peer Configuration prerequisites Before you configure basic MSDP features complete the following tasks Configure a unicast ...

Страница 174: ...atic RPF peer from undertaking the RPF check This simplifies the RPF check mechanism for SA messages You can configure an RP policy for the static RPF peer to filter SA messages based on the used IPv4 prefix list that specifies the RP addresses If only one MSDP peer is configured on a router this MSDP peer is considered to be a static RPF peer To configure a static RPF peer Step Command Remarks 1 ...

Страница 175: ...ers are interconnected with one another To configure an MSDP mesh group Step Command Remarks 1 Enter system view system view N A 2 Enter MSDP view msdp vpn instance vpn instance name N A 3 Configure an MSDP mesh group peer peer address mesh group name By default an MSDP peer does not belong to any mesh group If you assign an MSDP peer to multiple mesh groups the most recent configuration takes eff...

Страница 176: ... sessions timer keepalive keepalive holdtime By default the keepalive timer and peer hold timer are 60 seconds and 75 seconds respectively This command immediately takes effect on an established session 5 Configure the MSDP connection retry interval timer retry interval The default setting is 30 seconds 6 Configure the device to perform MD5 authentication when establishing a TCP connection with an...

Страница 177: ...s typically used in the Anycast RP application By default the RP address in SA messages originated by a member Anycast RP is the Anycast RP address The SA messages will fail the RPF check on the other members because the RP address in SA messages is the same as the local RP address In this case source information cannot be exchanged within the Anycast RP To solve the problem you must specify an in...

Страница 178: ...ward SA messages based on the used ACL that specifies the multicast sources and groups By default multicast data packets are encapsulated in SA messages and forwarded to MSDP peers only if the TTL values in the packets are larger than zero You can set the lower TTL threshold for multicast data packets encapsulated in SA messages that are sent to an MSDP peer Then only multicast data packets whose ...

Страница 179: ...nism cache sa enable By default the SA message cache mechanism is enabled The device caches the S G entries contained in the received SA messages 4 Set the maximum number of S G entries in the SA cache from an MSDP peer peer peer address sa cache maximum sa limit The default setting is 4294967295 Enabling MSDP NSR This command enables MSDP to back up protocol state information and data such as MSD...

Страница 180: ... vpn instance vpn instance name peer peer address Delete S G entries in the SA cache reset msdp vpn instance vpn instance name sa cache group address Clear statistics for an MSDP peer without resetting the TCP connection with the MSDP peer reset msdp vpn instance vpn instance name statistics peer address MSDP configuration examples This section provides examples of configuring MSDP on switches PIM...

Страница 181: ...e 2 10 110 5 100 24 Switch C Loop0 2 2 2 2 32 Switch D Vlan int104 10 110 4 2 24 Configuration procedure 1 Assign an IP address and subnet mask to each interface as shown in Figure 61 Details not shown 2 Configure OSPF on the switches in the ASs Details not shown 3 Enable IP multicast routing and PIM SM and configure PIM SM domain borders On Switch A enable IP multicast routing SwitchA system view...

Страница 182: ...Switch B SwitchB pim SwitchB pim c bsr 1 1 1 1 SwitchB pim c rp 1 1 1 1 SwitchB pim quit Configure C BSRs and C RPs on Switch C and Switch E in the same way Switch B is configured Details not shown 5 Configure BGP for mutual route redistribution between BGP and OSPF On Switch B configure an EBGP peer and redistribute OSPF routes SwitchB bgp 100 SwitchB bgp router id 1 1 1 1 SwitchB bgp peer 192 16...

Страница 183: ...peer groups on Switch B SwitchB display bgp peer ipv4 BGP local router ID 1 1 1 1 Local AS number 100 Total number of peers 1 Peers in established state 1 Peer AS MsgRcvd MsgSent OutQ PrefRcv Up Down State 192 168 1 2 200 24 21 0 6 00 20 07 Established Display information about BGP peer groups on Switch C SwitchC display bgp peer ipv4 BGP local router ID 2 2 2 2 Local AS number 1 Total number of p...

Страница 184: ...8 3 2 Established 01 43 57 8 0 192 168 1 1 Established 01 43 57 13 0 Display brief information about MSDP peer groups on Switch E SwitchE display msdp brief Configured Established Listen Connect Shutdown Disabled 1 1 0 0 0 0 Peer address State Up Down time AS SA count Reset count 192 168 3 1 Established 01 07 57 200 8 0 Display detailed MSDP peer information on Switch B SwitchB display msdp peer s...

Страница 185: ...nter AS multicast configuration by leveraging static RPF peers Network requirements As shown in Figure 62 The network has two ASs AS 100 and AS 200 OSPF runs within each AS BGP runs between the two ASs PIM SM 1 belongs to AS 100 and PIM SM 2 and PIM SM 3 belong to AS 200 Each PIM SM domain has a minimum of one multicast source or receiver Configure the switches to meet the network requirements Con...

Страница 186: ...tch G Vlan int400 192 168 4 1 24 Switch C Vlan int200 192 168 2 1 24 Switch G Loop0 3 3 3 3 32 Switch C Vlan int104 10 110 4 1 24 Configuration procedure 1 Assign an IP address and subnet mask to each interface as shown in Table 13 Details not shown 2 Configure OSPF on the switches in the ASs Details not shown 3 Enable IP multicast routing PIM SM and IGMP and configure PIM SM domain borders On Swi...

Страница 187: ... configure Loopback 0 as a C BSR and a C RP SwitchA pim SwitchA pim c bsr 1 1 1 1 SwitchA pim c rp 1 1 1 1 SwitchA pim quit Configure C BSRs and C RPs on Switch D and Switch G in the same way Switch A is configured Details not shown 5 Configure BGP and redistribute BGP routing information into OSPF and OSPF routing information into BGP On Switch B configure an EBGP peer and redistribute OSPF routi...

Страница 188: ... redistribute BGP routing information into OSPF SwitchC ospf 1 SwitchC ospf 1 import route bgp SwitchC ospf 1 quit On Switch F redistribute BGP routing information into OSPF SwitchF ospf 1 SwitchF ospf 1 import route bgp SwitchF ospf 1 quit 6 Configure MSDP peers and static RPF peers On Switch A configure Switch D and Switch G as the MSDP peers and static RPF peers SwitchA ip prefix list list dg p...

Страница 189: ...0 Display brief information about MSDP peers on Switch D SwitchD display msdp brief Configured Established Listen Connect Shutdown Disabled 1 1 0 0 0 0 Peer address State Up Down time AS SA count Reset count 10 110 1 1 Established 01 07 09 8 0 Display brief information about MSDP peers on Switch G SwitchG display msdp brief Configured Established Listen Connect Shutdown Disabled 1 1 0 0 0 0 Peer a...

Страница 190: ...24 Switch B Loop20 10 1 1 1 32 Switch E Vlan int104 10 110 4 2 24 Configuration procedure 1 Assign an IP address and subnet mask to each interface as shown in Figure 63 Details not shown 2 Configure OSPF on the switches Details not shown 3 Enable IP multicast routing IGMP and PIM SM On Switch B enable IP multicast routing SwitchB system view SwitchB multicast routing SwitchB mrib quit Enable IGMP ...

Страница 191: ... BSR and Loopback 20 as a C RP on Switch B SwitchB pim SwitchB pim c bsr 3 3 3 3 SwitchB pim c rp 10 1 1 1 SwitchB pim quit Configure a C BSR and a C RP on Switch D in the same way Switch B is configured Details not shown 5 Configure MSDP peers Configure an MSDP peer on Loopback 0 of Switch B SwitchB msdp SwitchB msdp originating rp loopback 0 SwitchB msdp peer 2 2 2 2 connect interface loopback 0...

Страница 192: ...F prime neighbor NULL Downstream interface s information Total number of downstreams 1 1 Vlan interface100 Protocol igmp UpTime 00 15 04 Expires 10 110 5 100 225 1 1 1 RP 10 1 1 1 local Protocol pim sm Flag SPT 2MSDP ACT UpTime 00 46 28 Upstream interface Vlan interface103 Upstream neighbor 10 110 2 2 RPF prime neighbor 10 110 2 2 Downstream interface s information Total number of downstreams 1 1 ...

Страница 193: ...tal number of downstreams 1 1 Vlan interface200 Protocol pim sm UpTime Expires The output shows that Switch D now acts as the RP for Source 2 and Host B SA message filtering configuration Network requirements As shown in Figure 64 OSPF runs within and among the PIM SM domains to provide unicast routing Set up an MSDP peering relationship between Switch A and Switch C and between Switch C and Switc...

Страница 194: ... 3 3 3 3 32 Configuration procedure 1 Assign an IP address and subnet mask to each interface as shown in Figure 64 Details not shown 2 Configure OSPF on the switches in the PIM SM domains Details not shown 3 Enable IP multicast routing IGMP and PIM SM and configure PIM domain borders On Switch A enable IP multicast routing SwitchA system view SwitchA multicast routing SwitchA mrib quit Enable IGMP...

Страница 195: ...on Switch A Switch B and Switch D in the same way Switch C is configured Details not shown 4 Configure C BSRs and C RPs Configure Loopback 0 as a C BSR and a C RP on Switch A SwitchA pim SwitchA pim c bsr 1 1 1 1 SwitchA pim c rp 1 1 1 1 SwitchA pim quit Configure C BSRs and C RPs on Switch C and Switch D in the same way Switch A is configured Details not shown 5 Configure MSDP peers Configure an ...

Страница 196: ...ntries Matched 8 entries Source Group Origin RP Pro AS Uptime Expires 10 110 3 100 225 1 1 0 1 1 1 1 02 03 30 00 05 31 10 110 3 100 225 1 1 1 1 1 1 1 02 03 30 00 05 31 10 110 3 100 225 1 1 2 1 1 1 1 02 03 30 00 05 31 10 110 3 100 225 1 1 3 1 1 1 1 02 03 30 00 05 31 10 110 3 100 226 1 1 0 1 1 1 1 02 03 30 00 05 31 10 110 3 100 226 1 1 1 1 1 1 1 02 03 30 00 05 31 10 110 3 100 226 1 1 2 1 1 1 1 02 03...

Страница 197: ...ckard Enterprise Support No SA entries exist in the router s SA message cache Symptom MSDP fails to send S G entries through SA messages Analysis Possible reasons for the problem might include the following The import source command controls sending S G entries through SA messages to MSDP peers If this command is executed without the ipv4 acl number argument all the S G entries are filtered out an...

Страница 198: ...f the interface specified in the command When an MSDP peer receives an SA message it performs an RPF check on the message If the MSDP peer finds that the remote RP address is the local RP address it discards the SA message Solution To resolve the problem 1 Use the display ip routing table command to verify that the unicast route between the routers is reachable 2 Verify that a unicast route is ava...

Страница 199: ...wards multicast packets of known IPv6 multicast groups to only the receivers Figure 65 Multicast packet transmission processes without and with MLD snooping MLD snooping ports As shown in Figure 66 MLD snooping runs on Switch A and Switch B and Host A and Host C are receiver hosts in an IPv6 multicast group MLD snooping ports are divided into member ports and router ports IPv6 multicast packet tra...

Страница 200: ... in MLD snooping is a Layer 2 interface Member ports On an MLD snooping Layer 2 device the ports toward receiver hosts are called member ports In Figure 66 HundredGigE 1 0 2 and HundredGigE 1 0 3 of Switch A and HundredGigE 1 0 2 of Switch B are member ports Member ports contain the following types Dynamic member port When a port receives an MLD report it is added to the associated dynamic MLD sno...

Страница 201: ...namic member port and starts an aging timer for the port If a match is found but the matching forwarding entry does not contain the receiving port the Layer 2 device adds the receiving port to the outgoing interface list It also marks the port as a dynamic member port to the forwarding entry and starts an aging timer for the port If a match is found and the matching forwarding entry contains the r...

Страница 202: ...ic query the Layer 2 device forwards the query through all router ports and member ports of the group in the VLAN or VSI Then it waits for the responding MLD report from the directly connected hosts For the dynamic member port that received the done message the Layer 2 device also performs one of the following actions If the port receives an MLD report before the aging timer expires the Layer 2 de...

Страница 203: ...o match is found the device creates a forwarding entry with the receiving port as an outgoing interface It also marks the receiving port as a dynamic member port and starts an aging timer for the port Then it sends the report to all router ports Done message After receiving the MLD done message on a port the device sends an MLD multicast address specific query through the receiving port The device...

Страница 204: ...Enabling MLD report suppression Optional Setting the maximum number of IPv6 multicast groups on a port Optional Enabling IPv6 multicast group replacement Optional Enabling host tracking MLD snooping configuration task list for VSIs Tasks at a glance Configuring basic MLD snooping features Required Enabling MLD snooping Optional Setting the maximum number of MLD snooping forwarding entries Optional...

Страница 205: ...for a VSI in VSI view or for a VLAN in VLAN view For a VLAN the configuration in VLAN interface has the same priority as the configuration in MLD snooping view and the most recent configuration takes effect Enabling MLD snooping in MLD snooping view Step Command Remarks 1 Enter system view system view N A 2 Enable MLD snooping globally and enter MLD snooping view mld snooping By default MLD snoopi...

Страница 206: ...ata Configuration restrictions and guidelines When you configure a static IPv6 multicast MAC address entry follow these restrictions and guidelines You do not need to enable IPv6 multicast routing before this configuration You must specify an unused IPv6 multicast MAC address when configuring a static IPv6 multicast MAC address entry An IPv6 multicast MAC address is a MAC address in which the leas...

Страница 207: ...ns and guidelines The Layer 2 device does not send an MLD multicast address specific query if it receives an MLD done message from a port enabled with fast leave processing You can set the MLD last listener query interval globally for all VLANs and VSIs in MLD snooping view for a VSI in VSI view or for a VLAN in VLAN view For a VSI the VSI specific configuration takes priority over the global conf...

Страница 208: ...ing the MLD last listener query interval on the Layer 2 device see Setting the MLD last listener query interval You can set the timers globally for all VLANs and VSIs in MLD snooping view for a VSI in VSI view or for a VLAN in VLAN view For a VSI the VSI specific configuration takes priority over the global configuration For a VLAN the VLAN specific configuration takes priority over the global con...

Страница 209: ... source ip ipv6 source address vlan vlan id Configure the port as a static router port mld snooping static router port vlan vlan id By default a port is not a static member port or a static router port Configuring a port as a simulated member host When a port is configured as a simulated member host it is equivalent to an independent host in the following ways It sends an unsolicited MLD report wh...

Страница 210: ...er 2 Ethernet interface view or Layer 2 aggregate interface view interface interface type interface number N A 3 Enable fast leave processing on the port mld snooping fast leave vlan vlan list By default fast leave processing is disabled on a port Disabling a port from becoming a dynamic router port A receiver host might send MLD general queries or IPv6 PIM hello messages for testing purposes On t...

Страница 211: ...ner VLAN ID based forwarding is disabled on a port The port performs outer VLAN ID based forwarding Configuring the MLD snooping querier This section describes how to configure the MLD snooping querier Configuration prerequisites Before you configure the MLD snooping querier complete the following tasks Enable MLD snooping for the VLAN or VSI Determine the MLD general query interval Determine the ...

Страница 212: ... on the actual network conditions A receiver host starts a report delay timer for each IPv6 multicast group that it has joined when it receives an MLD general query This timer is set to a random value in the range of 0 to the maximum response time advertised in the query When the timer value decreases to 0 the host sends an MLD report to the corresponding IPv6 multicast group Set an appropriate va...

Страница 213: ... for the VLAN mld snooping proxy enable By default MLD snooping proxying is disabled for a VLAN Configuring parameters for MLD messages This section describes how to configure parameters for MLD messages Configuration prerequisites Before you configure parameters for MLD messages complete the following tasks Enable MLD snooping for the VLAN or VSI Determine the source IPv6 address of MLD general q...

Страница 214: ...D snooping querier does not receive an MLD general query FE80 02FF FFFF FE00 000 1 if the MLD snooping querier does not receive an MLD general query and the current VLAN interface does not have an IPv6 link local address 5 Configure the source IPv6 address for MLD reports mld snooping report source ip ipv6 address By default the source IPv6 address of MLD reports is the IPv6 link local address of ...

Страница 215: ...ault the source IPv6 address of MLD reports is the IPv6 link local address of the gateway interface for a VSI If the gateway interface does not have an IPv6 link local address the source IPv6 address is FE80 02FF FFFF FE00 0001 6 Configure the source IPv6 address for MLD dones mld snooping done source ip ipv6 address By default the source IPv6 address of MLD dones is the IPv6 link local address of...

Страница 216: ... VSI Determine the ACL used by the IPv6 multicast group policy Determine the maximum number of IPv6 multicast groups that a port can join Configuring an IPv6 multicast group policy This feature enables the device to filter MLD reports by using an ACL that specifies the IPv6 multicast groups and the optional sources It is used to control the IPv6 multicast groups that receiver hosts can join Config...

Страница 217: ... and the most recent configuration takes effect Enabling IPv6 multicast source port filtering in MLD snooping view Step Command Remarks 1 Enter system view system view N A 2 Enter MLD snooping view mld snooping N A 3 Enable IPv6 multicast source port filtering globally source deny port interface list By default IPv6 multicast source port filtering is disabled globally Enabling IPv6 multicast sourc...

Страница 218: ... MLD report suppression report aggregation By default MLD report suppression is enabled Setting the maximum number of IPv6 multicast groups on a port You can set the maximum number of IPv6 multicast groups on a port to regulate the port traffic Configuration restrictions and guidelines When you set the maximum number of IPv6 multicast groups on a port follow these restrictions and guidelines This ...

Страница 219: ...nt globally Step Command Remarks 1 Enter system view system view N A 2 Enter MLD snooping view mld snooping N A 3 Enable IPv6 multicast group replacement globally overflow replace vlan vlan list By default IPv6 multicast group replacement is disabled globally Enabling IPv6 multicast group replacement on a port Step Command Remarks 1 Enter system view system view N A 2 Enter Layer 2 Ethernet interf...

Страница 220: ...e slot slot number In IRF mode Display Layer 2 IPv6 multicast group entries display ipv6 l2 multicast ip forwarding group ipv6 group address vlan vlan id vsi vsi name chassis chassis number slot slot number In standalone mode Display information about Layer 2 IPv6 MAC multicast groups display ipv6 l2 multicast mac mac address vlan vlan id vsi vsi name slot slot number In IRF mode Display informati...

Страница 221: ...le in R2609 and later display mld snooping static router port vlan vlan id verbose slot slot number In IRF mode Display static router port information The verbose keyword is available in R2609 and later display mld snooping static router port vlan vlan id verbose chassis chassis number slot slot number Display statistics for the MLD messages and IPv6 PIM hello messages learned through MLD snooping...

Страница 222: ...B fail to receive the multicast data Switch A will drop unknown IPv6 multicast data instead of flooding it in VLAN 100 Figure 68 Network diagram Configuration procedure 1 Assign an IPv6 address and prefix length to each interface as shown in Figure 68 Details not shown 2 Configure Router A Enable IPv6 multicast routing RouterA system view RouterA ipv6 multicast routing RouterA mrib6 quit Enable ML...

Страница 223: ... mld snooping quit Configure HundredGigE 1 0 3 and HundredGigE 1 0 4 as simulated member hosts to join IPv6 multicast group FF1E 101 SwitchA interface hundredgige 1 0 3 SwitchA HundredGigE1 0 3 mld snooping host join ff1e 101 vlan 100 SwitchA HundredGigE1 0 3 quit SwitchA interface hundredgige 1 0 4 SwitchA HundredGigE1 0 4 mld snooping host join ff1e 101 vlan 100 SwitchA HundredGigE1 0 4 quit Ver...

Страница 224: ...y response cycle must be completed before IPv6 multicast data flows to the receivers along the path of Switch A Switch C In this case the multicast delivery is interrupted during the process For more information about the STP see Layer 2 LAN Switching Configuration Guide Configure HundredGigE 1 0 3 on Switch A as a static router port Then IPv6 multicast data can flow to the receivers nearly uninte...

Страница 225: ... 1 0 3 as a static router port SwitchA interface hundredgige 1 0 3 SwitchA HundredGigE1 0 3 mld snooping static router port vlan 100 SwitchA HundredGigE1 0 3 quit 4 Configure Switch B Enable MLD snooping globally SwitchB system view SwitchB mld snooping SwitchB mld snooping quit Create VLAN 100 and assign HundredGigE 1 0 1 and HundredGigE 1 0 2 to the VLAN SwitchB vlan 100 SwitchB vlan100 port hun...

Страница 226: ...00 on Switch C SwitchC display mld snooping static group vlan 100 Total 1 entries VLAN 100 Total 1 entries FF1E 101 Host ports 2 in total HGE1 0 3 HGE1 0 5 The output shows that HundredGigE 1 0 3 and HundredGigE 1 0 5 on Switch C have become static member ports of IPv6 multicast group FF1E 101 MLD snooping querier configuration example for VLANs Network requirements As shown in Figure 70 The netwo...

Страница 227: ...hA vlan100 quit 2 Configure Switch B Enable MLD snooping globally SwitchB system view SwitchB mld snooping SwitchB mld snooping quit Create VLAN 100 and assign HundredGigE 1 0 1 through HundredGigE 1 0 4 to the VLAN SwitchB vlan 100 SwitchB vlan100 port hundredgige 1 0 1 to hundredgige 1 0 4 Enable MLD snooping and enable dropping unknown IPv6 multicast data for VLAN 100 SwitchB vlan100 mld snoopi...

Страница 228: ...d snooping drop unknown SwitchD vlan100 quit Verifying the configuration Display statistics for MLD messages and IPv6 PIM hello messages learned through MLD snooping on Switch B SwitchB display mld snooping statistics Received MLD general queries 3 Received MLDv1 specific queries 0 Received MLDv1 reports 12 Received MLD dones 0 Sent MLDv1 specific queries 0 Received MLDv2 reports 0 Received MLDv2 ...

Страница 229: ...dredGigE1 0 1 ipv6 pim dm RouterA HundredGigE1 0 1 quit Enable IPv6 PIM DM on HundredGigE 1 0 2 RouterA interface hundredgige 1 0 2 RouterA HundredGigE1 0 2 ipv6 pim dm RouterA HundredGigE1 0 2 quit 3 Configure Switch A Enable MLD snooping globally SwitchA system view SwitchA mld snooping SwitchA mld snooping quit Create VLAN 100 and assign HundredGigE 1 0 1 through HundredGigE 1 0 4 to the VLAN S...

Страница 230: ...Router A RouterA display mld group MLD groups in total 1 HundredGigE1 0 1 2001 1 MLD groups reported in total 1 Group address FF1E 101 Last reporter FE80 2FF FFFF FE00 1 Uptime 00 00 31 Expires 00 03 48 The output shows that HundredGigE1 0 1 has become the router port of IPv6 multicast group FF1E 101 Display MLD snooping group membership information on Switch A SwitchA display mld snooping group T...

Страница 231: ...lticast data for IPv6 multicast groups that are not permitted by the IPv6 multicast group policy Solution To resolve the problem 1 Use the display acl ipv6 command to verify that the configured IPv6 ACL meets the IPv6 multicast group policy requirements 2 Use the display this command in MLD snooping view or in interface view to verify that the correct IPv6 multicast group policy has been applied I...

Страница 232: ...ast one x y Asterisk marked square brackets enclose optional syntax choices separated by vertical bars from which you select one choice multiple choices or none 1 n The argument or keyword and argument combination before the ampersand sign can be entered 1 to n times A line that starts with a pound sign is comments GUI conventions Convention Description Boldface Window names button names field nam...

Страница 233: ... Represents an access controller a unified wired WLAN module or the access controller engine on a unified wired WLAN switch Represents an access point Represents a wireless terminator unit Represents a wireless terminator Represents a mesh access point Represents omnidirectional signals Represents directional signals Represents a security product such as a firewall UTM multiservice security gatewa...

Страница 234: ... for accessing software updates through the product interface Review your product documentation to identify the recommended software update method To download product updates go to either of the following Hewlett Packard Enterprise Support Center Get connected with updates page www hpe com support e updates Software Depot website www hpe com support softwaredepot To view and update your entitlemen...

Страница 235: ...to you so that you can install it at your convenience Some parts do not qualify for CSR Your Hewlett Packard Enterprise authorized service provider will determine whether a repair can be accomplished by CSR For more information about CSR contact your local service provider or go to the CSR website www hpe com support selfrepair Remote support Remote support is available with supported devices as p...

Страница 236: ...AN user port 56 attribute port based multicast VLAN user port attribute 56 B BFD PIM enable 136 bidirectional BIDIR PIM bidirectional RPT building 110 BIDIR PIM administrative scoping 112 Auto RP listening configuration 128 bidirectional RPT building 110 BSM forwarding disable 130 BSM semantic fragmentation 130 BSR configuration 128 C BSR configuration 129 configuration 125 149 C RP configuration ...

Страница 237: ...source IP address 28 IGMP snooping multicast group policy 31 IGMP snooping multicast group policy port 31 IGMP snooping multicast source port filtering IGMP snooping view 31 IGMP snooping multicast source port filtering interface view 32 IGMP snooping policy 30 IGMP snooping port feature 22 IGMP snooping proxying for VLAN 43 IGMP snooping querier 26 IGMP snooping querier for VLAN 40 IGMP snooping ...

Страница 238: ...ng for VLAN 48 PIM DM 116 139 PIM DM graft retry timer 118 PIM DM state refresh parameter 118 PIM SM 119 PIM SM admin scoped zone 144 PIM SM Anycast RP 121 PIM SM BSR 122 PIM SM C BSR 122 PIM SM C RP 120 PIM SM multicast source registration 124 PIM SM non scoped zone 142 PIM SM RP 120 PIM SM SPT switchover 125 PIM SM static RP 120 PIM SSM 131 153 PIM SSM group range 131 port based multicast VLAN 5...

Страница 239: ...istrative scoping 112 112 done message MLD snooping 193 DR PIM BFD enable 136 PIM hello message DR_Priority 133 PIM passive mode enable 137 PIM SM DR election 103 PIM SM RPT building 107 PIM SM SPT switchover 125 PIM SSM DR election 114 PIM SSM SPT building 114 DR election PIM SSM 114 dropping IGMP snooping unknown multicast data 32 MLD snooping unknown IPv6 multicast data 209 DSCP PIM message DSC...

Страница 240: ...fast leave processing 24 fast leave processing MLD snooping 202 filtering IGMP snooping multicast source port filtering 31 IGMP snooping unknown multicast data drop 32 MLD snooping IPv6 multicast source port 209 MLD snooping IPv6 multicast unknown data drop 209 MLD snooping policy 208 MSDP SA message filtering configuration 185 MSDP SA message policy 170 PIM hello policy 133 PIM multicast source p...

Страница 241: ...e adjustment 87 PIM SSM IGMPv3 relationship 114 port based multicast VLAN configuration 61 protocols and standards 84 proxying 83 proxying configuration 90 98 proxying enable 90 query response parameter configuration 87 query response parameter configuration restrictions 87 snooping See IGMP snooping SSM mapping 82 SSM mapping configuration 90 95 static group member configuration 86 static group m...

Страница 242: ...sistent membership information IGMP 99 Internet Group Management Protocol Use IGMP interval IGMP snooping last member query interval 21 IP addressing IGMP snooping message source IP address 28 IP multicast address 5 IP multicast packet forwarding 10 IP multicast address 5 architecture 5 ASM model 4 BIDIR PIM 109 BIDIR PIM bidirectional RPT building 110 BIDIR PIM BSR configuration 128 BIDIR PIM C B...

Страница 243: ...play 212 MLD snooping dynamic port aging timers 200 MLD snooping dynamic router port change 202 MLD snooping fast leave processing enable 202 MLD snooping forwarding entries 198 MLD snooping general query response parameters 204 MLD snooping group policy 208 MLD snooping group policy simulated joining configuration for VLAN 214 MLD snooping group replacement 211 MLD snooping groups on port 210 MLD...

Страница 244: ...e configuration 142 PIM SM RP configuration 120 PIM SM RP discovery 104 PIM SM RPT building 107 PIM SM source registration 107 PIM SM SPT switchover 108 125 PIM SSM 114 PIM SSM configuration 131 153 PIM SSM DR election 114 PIM SSM group range 131 PIM SSM neighbor discovery 114 PIM SSM SPT building 114 protocols and standards 8 routing enable 69 SFM model 5 SSM model 5 static MAC address entry conf...

Страница 245: ...entry 21 maintaining IGMP 92 IGMP snooping 34 MLD snooping 212 MSDP 171 multicast routing forwarding 72 multicast VLAN 57 PIM snooping 48 mapping IGMP SSM mapping 82 90 IGMP SSM mapping configuration 95 MLD snooping configuration 191 214 MLD snooping static port configuration for VLAN 216 member IGMP snooping router port 14 IGMP snooping simulated member host 24 MLD snooping member port 192 MLD sn...

Страница 246: ...trictions 203 report suppression 210 simulated member host port 201 static port configuration 201 static port configuration for VLAN 216 troubleshoot 222 troubleshoot IPv6 multicast group policy 223 troubleshoot MLD snooping Layer 2 forwarding 222 VLAN configuration 195 VSI configuration 196 mode PIM passive mode enable 137 model IP multicast 4 IP multicast ASM 4 IP multicast SFM 5 IP multicast SS...

Страница 247: ...ghbor discovery 109 BIDIR PIM RP configuration 126 BIDIR PIM RP discovery 109 BIDIR PIM RP max 128 BIDIR PIM static RP configuration 127 IGMP basic configuration 85 93 IGMP fast leave processing 89 IGMP multicast group policy 86 IGMP proxying configuration 98 IGMP query response parameters 87 IGMP snooping basic configuration 18 IGMP snooping group policy simulated joining configuration for VLAN 3...

Страница 248: ...nfiguration 119 PIM SM DR election 103 PIM SM multicast source registration 107 124 PIM SM neighbor discovery 103 PIM SM non scoped zone configuration 142 PIM SM RP configuration 120 PIM SM RP discovery 104 PIM SM RPT building 107 PIM SM SPT switchover 108 125 PIM SM static RP 120 PIM SM zone relationships 113 PIM SSM configuration 153 PIM SSM DR election 114 PIM SSM group range 131 PIM SSM neighb...

Страница 249: ...ation 101 139 display 138 DM See PIM DM hello message option configuration global 134 hello message option configuration on interface 134 hello message options 133 hello policy configuration 133 join prune message size 136 multicast source policy 132 nonstop routing NSR enable 137 outgoing packet DSCP value 138 passive mode enable 137 passive mode enable restrictions 137 protocol relationships 115...

Страница 250: ...20 RP discovery 104 RPT building 107 SPT switchover 108 SPT switchover configuration 125 static RP configuration 120 troubleshoot multicast source registration failure 157 troubleshoot RP cannot be built 157 troubleshoot RP cannot join SPT 157 zone relationships 113 PIM SSM configuration 131 153 DR election 114 group range configuration 131 group range configuration restrictions 131 model implemen...

Страница 251: ...DIR PIM RP 126 configuring BIDIR PIM RP max 128 configuring BIDIR PIM static RP 127 configuring IGMP 85 configuring IGMP basic configuration 93 configuring IGMP basics 85 configuring IGMP multicast group policy 86 configuring IGMP multicast load splitting IGMP proxy 91 configuring IGMP NSR 92 configuring IGMP performance adjustment 87 configuring IGMP proxying 90 98 configuring IGMP query response...

Страница 252: ...configuring MSDP peer description 167 configuring MSDP peering connection 166 configuring MSDP PIM SM inter domain multicast 172 configuring MSDP RPF static peer 166 configuring MSDP SA message cache 171 configuring MSDP SA message filtering 185 configuring MSDP SA message originating RP 169 configuring MSDP SA message policy 170 configuring MSDP SA message related parameters 168 configuring MSDP ...

Страница 253: ...ling IGMP proxying 90 enabling IGMP snooping 19 enabling IGMP snooping IGMP snooping view 19 enabling IGMP snooping VLAN view 19 enabling IGMP snooping VSI view 19 enabling IGMP snooping host tracking global 34 enabling IGMP snooping host tracking VLAN 34 enabling IGMP snooping inner VLAN ID based forwarding 25 enabling IGMP snooping proxying 27 enabling IGMP snooping querier 26 enabling IGMP snoo...

Страница 254: ... forwarding entries max 57 setting PIM join prune message size 136 specifying IGMP snooping version 19 19 specifying IGMP snooping version IGMP snooping view 20 specifying IGMP snooping version VLAN view 20 specifying IGMP snooping version VSI view 20 specifying IGMP version 86 specifying MSDP peer 166 specifying multicast routing longest prefix match principle 70 troubleshoot multicast static rou...

Страница 255: ...ery interval configuration 21 IGMP multicast forwarding enable 91 IGMP query response parameter configuration 87 IGMP snooping fast leave processing enable 24 IGMP snooping multicast group policy configuration 31 IGMP snooping multicast group replacement 33 IGMP snooping multicast groups on port 33 IGMP snooping querier enable 26 IGMP static group member configuration 86 MLD snooping fast leave pr...

Страница 256: ...oxying 205 MLD snooping 802 1p message priority 207 MLD snooping basic configuration 197 MLD snooping configuration 191 195 214 MLD snooping dynamic router port change 202 MLD snooping forwarding entries 198 MLD snooping general query response parameters 204 MLD snooping group policy simulated joining configuration for VLAN 214 MLD snooping last member query interval 199 MLD snooping message param...

Страница 257: ...nycast RP 162 MSDP Anycast RP configuration 181 MSDP peer RPF forwarding 163 MSDP RPF static peer 166 MSDP SA message originating RP 169 PIM SM Anycast RP 105 121 PIM SM Auto RP listening 121 PIM SM configuration 120 PIM SM C RP 120 PIM SM discovery 104 PIM SM RPT building 107 PIM SM SPT switchover 125 PIM SM static RP 120 troubleshooting PIM SM RP cannot be built 157 troubleshooting PIM SM RP can...

Страница 258: ...ing configuration 46 47 PIM snooping configuration for VLAN 48 source registration PIM SM 107 PIM SM multicast 124 troubleshooting PIM SM multicast source registration failure 157 specifying IGMP snooping version 19 19 IGMP snooping version IGMP snooping view 20 IGMP snooping version VLAN view 20 IGMP snooping version VSI view 20 IGMP version 86 MSDP peer 166 SPT IP multicast notation 4 PIM DM SPT...

Страница 259: ...ast 2 IP multicast overview 1 IP multicast transmission techniques 1 IP multicast unicast 1 IP multicast VPN application 12 IP multicast VPN instance 11 IP multicast VPN support 11 trapping PIM SNMP notification enable 137 troubleshooting IGMP 99 IGMP inconsistent membership information 99 IGMP no membership information on router 99 IGMP snooping 44 IGMP snooping Layer 2 multicast forwarding 44 IG...

Страница 260: ...ooping port feature configuration 199 MLD snooping querier enable 203 MLD snooping static port configuration 201 multicast VLAN configuration 53 55 58 PIM configuration 101 139 PIM snooping configuration 48 PIM DM configuration 139 PIM SM admin scoped zone configuration 144 PIM SM non scoped zone configuration 142 PIM SSM configuration 153 port based multicast VLAN configuration 61 sub VLAN based ...

Страница 261: ...253 PIM SM admin scoped global scoped zone relationship 113 PIM SM non scoped zone configuration 142 ...

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