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Chapter 3

Configuring PIM for IPv4 Multicast

The Protocol Independent Multicast (PIM) protocol is a collection of multicast routing
protocols that enables multicast routers to identify other multicast routers to receive
packets.

This chapter describes how to configure PIM for IPv4 on E Series routers; it contains
the following sections:

■

Overview on page 80

■

Platform Considerations on page 86

■

References on page 86

■

Before You Begin on page 87

■

Enabling PIM on a VR on page 87

■

Disabling PIM on a VR on page 87

■

Enabling PIM on an Interface on page 88

■

Setting a Priority to Determine the Designated Router on page 89

■

Configuring the PIM Join/Prune Message Interval on page 89

■

Configuring an RP Router for PIM Sparse Mode and PIM Sparse-Dense
Mode on page 90

■

Configuring BSR and RP Candidates for PIM Sparse Mode on page 93

■

Migrating to BSR from Auto-RP on page 94

■

Switching to an SPT for PIM Sparse Mode on page 94

■

Creating Multicast VPNs on page 95

■

Using PIM Sparse Mode Join Filters on page 106

■

Configuring PIM SSM on page 106

■

Configuring the BFD Protocol for PIM on page 108

■

Removing PIM on page 109

■

Resetting PIM Counters and Mappings on page 109

■

Monitoring PIM on page 110

■

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Содержание JUNOSE 11.1.X MULTICAST ROUTING

Страница 1: ...E Series Broadband Services Routers Multicast Routing Configuration Guide Release 11 1 x Juniper Networks Inc 1194 North Mathilda Avenue Sunnyvale California 94089 USA 408 745 2000 www juniper net Pu...

Страница 2: ...Nos 5 473 599 5 905 725 5 909 440 6 192 051 6 333 650 6 359 479 6 406 312 6 429 706 6 459 579 6 493 347 6 538 518 6 538 899 6 552 918 6 567 902 6 578 186 and 6 590 785 JUNOSe Software for E Series Br...

Страница 3: ...alms devices links ports or transactions or require the purchase of separate licenses to use particular features functionalities services applications operations or capabilities or provide throughput...

Страница 4: ...n connection with such withholding taxes by promptly providing Juniper with valid tax receipts and other required documentation showing Customer s payment of any withholding taxes completing appropria...

Страница 5: ...nted to in writing by the party to be charged If any portion of this Agreement is held invalid the Parties agree that such invalidity shall not affect the validity of the remainder of this Agreement T...

Страница 6: ...vi...

Страница 7: ...2 Configuring IGMP 43 Chapter 3 Configuring PIM for IPv4 Multicast 79 Chapter 4 Configuring DVMRP 125 Part 2 Internet Protocol Version 6 Chapter 5 Configuring IPv6 Multicast 147 Chapter 6 Configuring...

Страница 8: ...viii JUNOSe 11 1 x Multicast Routing Configuration Guide...

Страница 9: ...Bandwidth 6 Enabling IP Multicast 7 Defining Static Routes for Reverse Path Forwarding 7 Displaying Available Routes for Reverse Path Forwarding 7 Enabling and Disabling RPF Checks 9 Using Unicast Rou...

Страница 10: ...43 IGMP Overview 44 Group Membership Queries 44 Group Membership Reports 45 Leave Group Membership Messages 45 Platform Considerations 45 References 46 Before You Begin 46 Configuring Static and Dynam...

Страница 11: ...Configuring an Auto RP Router for PIM Sparse Mode 90 Configuring an Auto RP Router for PIM Sparse Dense Mode 91 Configuring BSR and RP Candidates for PIM Sparse Mode 93 Migrating to BSR from Auto RP 9...

Страница 12: ...rsion 6 Chapter 5 Configuring IPv6 Multicast 147 IPv6 Multicast Overview 147 Reverse Path Forwarding 148 Multicast Packet Forwarding 149 Platform Considerations 149 References 150 Before You Begin 150...

Страница 13: ...Example 171 Deleting Multicast Forwarding Entries 172 Monitoring IPv6 Multicast Settings 172 BGP Multicast 181 Chapter 6 Configuring Multicast Listener Discovery 183 Overview 184 Multicast Listener Qu...

Страница 14: ...figuring the PIM Join Prune Message Interval 221 Configuring an RP Router for PIM Sparse Mode 222 Configuring BSR and RP Candidates for PIM Sparse Mode 222 Switching to an SPT for PIM Sparse Mode 224...

Страница 15: ...Figure 10 Detecting Duplication 82 Figure 11 PIM Sparse Mode Operation 83 Figure 12 Shared Tree Versus SPT 83 Figure 13 Multicast VPNs 96 Part 2 Internet Protocol Version 6 Chapter 5 Configuring IPv6...

Страница 16: ...xvi List of Figures JUNOSe 11 1 x Multicast Routing Configuration Guide...

Страница 17: ...ues 13 Chapter 2 Configuring IGMP 43 Table 5 IGMP Commands 47 Chapter 4 Configuring DVMRP 125 Table 6 Sample Routing Table for a DVMRP Router 126 Table 7 Sample DVMRP S G Pair Table 127 Part 2 Interne...

Страница 18: ...xviii List of Tables JUNOSe 11 1 x Multicast Routing Configuration Guide...

Страница 19: ...on in the latest release notes differs from the information in the documentation follow the JUNOSe Release Notes To obtain the most current version of all Juniper Networks technical documentation see...

Страница 20: ...2 Routing Process OSPF 2 with Router ID 5 5 0 250 Router is an Area Border Router ABR Represents information as displayed on your terminal s screen Fixed width text like this There are two levels of a...

Страница 21: ...e from the Juniper Networks Web site athttp www juniper net Documentation Feedback We encourage you to provide feedback comments and suggestions so that we can improve the documentation to better meet...

Страница 22: ...notes http www juniper net customers csc software Search technical bulletins for relevant hardware and software notifications https www juniper net alerts Join and participate in the Juniper Networks...

Страница 23: ...t 1 Internet Protocol Version 4 Configuring IPv4 Multicast on page 3 Configuring IGMP on page 43 Configuring PIM for IPv4 Multicast on page 79 Configuring DVMRP on page 125 Internet Protocol Version 4...

Страница 24: ...2 Internet Protocol Version 4 JUNOSe 11 1 x Multicast Routing Configuration Guide...

Страница 25: ...ks on page 9 Using Unicast Routes for RPF on page 9 Defining Permanent IP Multicast Forwarding Entries on page 10 Defining a Multicast Bandwidth Map on page 10 Configuring Multicast QoS Adjustment on...

Страница 26: ...port a number of IP multicast protocols on virtual routers VRs Each VR handles the interoperability of IP multicast protocols automatically To start multicast operation on a VR you access the context...

Страница 27: ...the source S of the multicast packet and the destination multicast group address G For each S G pair the router accepts multicast packets on an incoming interface IIF which satisfies the RPF check RP...

Страница 28: ...6 interfaces For information about configuring IP and IPv6 interfaces see JUNOSe IP IPv6 and IGP Configuration Guide For information about configuring multicast on IPv6 interfaces see Configuring IPv6...

Страница 29: ...ce ip rpf route Use to customize static routes that the router may use for RPF Specify the IP address and subnet mask of the destination network Specify either a next hop IP address or an interface ty...

Страница 30: ...Interface Types and Specifiers in JUNOSe Command Reference Guide Example 1 host1 show ip rpf route Protocol Route type codes I1 ISIS level 1 I2 ISIS level2 I route type intra IA route type inter E rou...

Страница 31: ...ng table it then accepts multicast packets for these pairs on any interface in the virtual router and forwards them accordingly Multicast routes established before you issue this command are not affec...

Страница 32: ...es may be removed due to certain protocol actions for example PIM sparse mode switching from shared to shortest path tree Outgoing interface lists of permanent mroutes may change due to protocol actio...

Страница 33: ...on page 28 NOTE You can create a single route map with the set admission bandwidth command the set qos bandwidth command or both However creating an entry with only one of these set commands enables...

Страница 34: ...f Adaptive IPv4 Multicast Bandwidth Detection To calculate the measured bandwidth of a stream the router uses the following equation R Nt 5 Nt 5 Where R Calculated bandwidth of the stream during each...

Страница 35: ...n is as follows R Rt if and only if the absolute value of R Rt P R Table 4 on page 13 lists values assigned to variables associated with this algorithm Table 4 Adaptive Mode Algorithm Values Descripti...

Страница 36: ...dtv permit ip host 32 0 0 1 232 0 0 0 0 0 0 255 host1 config access list hdtv permit ip host 32 0 0 2 232 0 0 0 0 0 0 255 host1 config route map end NOTE You can also define a prefix list or a prefix...

Страница 37: ...n the router uses multicast OIF mapping any multicast streams that a subscriber receives bypass any configured QoS treatment for that subscriber interface The Multicast QoS adjust feature provides a w...

Страница 38: ...QoS adjustment configured when a subscriber requests to receive a multicast stream or more appropriately when an OIF is added to the mroute the router reduces the unicast QoS bandwidth applied to the...

Страница 39: ...st QoS adjustment function contained in the bandwidth map CAUTION To activate multicast QoS adjustment you must first create a bandwidth map See Defining a Multicast Bandwidth Map on page 10 for detai...

Страница 40: ...O module or IOA before providing enough traffic to support egress line rate for all of these ports Figure 4 on page 18 displays how multicast traffic is typically replicated on the line module Each of...

Страница 41: ...rdware multicast packet replication enables you to Reduce the number of packets sent from the FC to the module Reduce the CPU consumed by the FC processing each elaboration of the packet You can use t...

Страница 42: ...feature The high priority queue is dedicated to packets that are received from the line module queue for port 8 This queue is serviced at a higher priority than the first queue and drops packets when...

Страница 43: ...IP interface stacked over port 8 We recommend that you configure the IP address of the IP interface over port 8 to be unnumbered We recommend that you configure an IP interface over a VLAN over one of...

Страница 44: ...ced on a line module queue destined for a single physical port The line module queue can also receive QoS behavior specific to that queue For the hardware multicast packet replication feature the FC d...

Страница 45: ...t1 config if ip unnumbered loopback 0 host1 config if ip igmp version passive 2 Configure an IP interface to redirect egress multicast traffic to port 8 a Create a VLAN subinterface b Assign a VLAN ID...

Страница 46: ...to the interface You must specify an interface location which is the identifier of another interface on which the router has an assigned IP address This interface cannot be another unnumbered interfa...

Страница 47: ...igmp interface command to display statistics including hardware multicast packet replication configuration for an IP interface stacked over port 8 For more information see Monitoring IGMP on page 61...

Страница 48: ...ing Interface Admission Bandwidth Limitation You can use the ip multicast admission bandwidth limit command to enable multicast admission control on interfaces including dynamic IP interfaces that are...

Страница 49: ...nterfaces on that port the router uses the lower of the two limits when determining whether or not an interface can accept any new IGMP groups For example if you specify an admission bandwidth limit o...

Страница 50: ...page 10 for details Dynamic Port Admission Bandwidth Control You can configure the system to dynamically limit the total multicast bandwidth that can be admitted on a port The system performs dynamic...

Страница 51: ...t that the bandwidth limit for an interface is now exceeded no currently admitted OIFs for the affected mroutes are blocked However no new OIFs are admitted until the total admitted bandwidth drops be...

Страница 52: ...llowing show commands show ip mroute Use to display information about all or specified multicast forwarding entries Specify a multicast group IP address or both a multicast group IP address and a mult...

Страница 53: ...tocol such as RIP or OSPF Incoming interface list List of incoming interfaces on the router Details include Type of interface and its specifier Action that the interface takes with packets Accept or D...

Страница 54: ...1 109 107 0 8 4 8 Forward Pim 0 00 10 07 never 1 1 1 1 225 1 1 1 uptime 0 00 00 34 never expires RPF route 1 0 0 0 8 incoming interface ATM5 1 200 neighbor 2 2 2 2 owner Netmgmt Incoming interface lis...

Страница 55: ...ost1 show ip mroute active 10000 Active IP Multicast Routes 10000 bps S G uptime d h m s expires d h m s Admission bandwidth bps QoS bandwidth bps RPF route addr mask incoming interface neighbor addre...

Страница 56: ...ntries See show ip mroute show ip mroute statistics Use to display statistics for packets received through multicast routes that the router has added to the multicast routing table and established on...

Страница 57: ...width 2000000 bps RPF route 10 0 0 0 8 incoming interface ATM2 1 200 neighbor 21 1 1 1 owner Netmgmt Incoming interface list ATM2 1 200 21 2 2 2 8 Accept Pim RPF IIF Outgoing interface list ATM2 1 300...

Страница 58: ...ption to display a summary of information rather than a detailed description Field descriptions Multicast Protocols Multicast protocols on this router Protocol Name of the multicast protocol Type Mode...

Страница 59: ...t Number of blocked S G data streams on the interface Example host1 show ip multicast protocols Multicast protocols Protocol Pim Type Sparse Interfaces 1 registered 1 owned Registered interfaces ATM2...

Страница 60: ...se dense or sparse dense For IGMP Local Count Number of multicast protocols on the VR Example host1 show ip multicast protocols brief Protocol Registered Owned Type Interfaces Interfaces Pim 2 2 Spars...

Страница 61: ...cast Router Information When you enable multicast routing on a virtual router the router acts as a multicast router information mrinfo server This feature enables the router to respond to mrinfo reque...

Страница 62: ...icast group address This command is similar to the traceroute command for investigating unicast routes mtrace Use to trace the path that multicast packets take to a destination Specify the unicast IP...

Страница 63: ...ceroute Facility for IP Multicast draft ietf idmr traceroute ipm 07 txt FwdingCode Forwarding information or error associated with this hop For example RPF iif indicates that the request arrived on th...

Страница 64: ...42 Investigating Multicast Routes JUNOSe 11 1 x Multicast Routing Configuration Guide...

Страница 65: ...46 Enabling IGMP on an Interface on page 48 Configuring IGMP Settings for an Interface on page 49 Specifying Multicast Groups on page 52 Assigning a Multicast Group to an Interface on page 53 Configu...

Страница 66: ...bership queries Group membership reports Leave group membership messages IGMPv3 mode interfaces exchange the following types of messages with IGMPv3 hosts Group membership queries IGMPv3 group members...

Страница 67: ...xpires before the router receives another group membership report the router determines that the group has no members left on the network IGMPv3 supports an extended report format you can use to repor...

Страница 68: ...ulticasting see Configuring IPv4 Multicast on page 3 For information about configuring IP interfaces see Configuring IP in the JUNOSe IP IPv6 and IGP Configuration Guide For information about configur...

Страница 69: ...ovide an efficient method of creating and managing large numbers of dynamic interfaces For detailed information about creating and assigning profiles see Configuring Dynamic Interfaces in the JUNOSe L...

Страница 70: ...st packets and creates an entry in the multicast routing table If neither PIM nor DVMRP own the interface for example when only IGMP is configured then the packets are locally routed to other interfac...

Страница 71: ...ault IGMPv2 See ip igmp version Configuring IGMP Settings for an Interface When you start IGMP on an interface it operates with the default settings You can however modify The method that the router u...

Страница 72: ...ault behavior in which the router removes a host from a multicast group if that host does not return a group membership report within a certain length of time after receiving a group membership query...

Страница 73: ...tenths of a second IGMPv3 1 31744 tenths of a second IGMPv2 and IGMPv3 include this value in IGMP query messages sent out on the interface You cannot set this value on interfaces running IGMPv1 Using...

Страница 74: ...terface from an access list and to enable hosts on the interface to join any multicast group See ip igmp access group ip igmp access source group Use to restrict hosts on this subnetwork to membership...

Страница 75: ...n IGMP interface to use a different outgoing interface OIF for multicast data forwarding by applying an OIF map When you configure an OIF map on an IGMP interface the map is applied to all IGMP member...

Страница 76: ...the version to the default IGMPv2 See ip igmp version Configuring Access Node Control Protocol for IGMP By using ANCP IGMP is no longer terminated or proxied at the access node Instead IGMP passes th...

Страница 77: ...n enter multiple ssm map static commands for the same access list as long as the access list uses different source addresses SSM maps do not process statically configured groups ip igmp ssm map enable...

Страница 78: ...r of groups associated with the interfaces falls to that limit For example if the interfaces on the port have accepted a total of 15 groups and you set a limit of 10 groups on the port the router does...

Страница 79: ...no version to restore the default behavior in which there is no limit on the number of IGMP groups that a port can accept See multicast group port limit Including and Excluding Traffic IGMPv3 extends...

Страница 80: ...tworks where bandwidth is constrained between a multicast enabled router and hosts Ability to determine what multicast hosts are joined to particular multicast groups or channels which is useful for a...

Страница 81: ...o the presence of an IGMP V2 host explicit host tracking continues for that group To avoid this you can use the disable if igmp v2 detected keyword If you select this option the router turns off expli...

Страница 82: ...IGMP reports from indirectly connected subnets on all interfaces The interface on port 0 of the line module in slot 4 is then configured to accept IGMP reports only from directly connected subnets ho...

Страница 83: ...disable Use to disable IGMP on a VR Example host1 config virtual router boston host1 boston config router igmp host1 boston config router igmp disable Use the no version to enable IGMP on a VR See ig...

Страница 84: ...led Total interfaces Number of interfaces on which you started IGMP enabled Number of interfaces on which IGMP is enabled disabled Number of interfaces on which IGMP is disabled learnt groups Number o...

Страница 85: ...s been mapped to an OIF State IGMP version on the interface ExpTim Time in seconds at which the router stops polling for more members of this group oldHTo Time at which the router stops polling for mo...

Страница 86: ...self 375 10 1 1 10 oif map OIFMAP ATM5 0 120 375 10 1 1 11 oif map OIFMAP ATM5 0 121 375 Counts 4 version 3 0 version 2 0 version 1 0 check state 0 disabled 4 total 0 excluded Source groups 6 included...

Страница 87: ...ine whether it accepts IGMP reports from hosts on any subnetwork Information about standard IP access lists configured with the ip igmp access group command Inbound access group Access list specified...

Страница 88: ...itialization state querier Number of querier interfaces non querier Number of non querier interfaces Total Total number of IGMP interfaces Example 1 host1 boston show ip igmp interface Interface ATM2...

Страница 89: ...acking enabled Max Group limit No Limit Admission Bandwidth limit No Limit Group Count 0 IOA packet replication gigabitEthernet 3 8 1 Interface statistics Rcvd 0 reports 0 leaves 0 wrong version queri...

Страница 90: ...ce used in an OIF map Oper Operation status of the outgoing interface Group Address Multicast group IP address associated with the OIF Source Address Source IP address associated with the OIF Join I F...

Страница 91: ...2 3 IGMP version that the group is in Interface Type of interface and interface specifier For details about interface types and specifiers see Interface Types and Specifiers in JUNOSe Command Referen...

Страница 92: ...me Name of the map associated to the show output Group Prefix Multicast group IP prefix Source Prefix Source IP prefix OIF Outgoing interface associated with the group and source prefix Example host1...

Страница 93: ...cast group address requested Source List List of sources mapped to the multicast group address Example host1 boston show ip igmp ssm mapping 232 1 1 1 SSM Mapping Enabled Group Address 232 1 1 1 Sourc...

Страница 94: ...ure 7 on page 72 shows a router in an IGMP proxy configuration You enable IGMP proxy on one interface which connects to a router closer to the root of the tree This interface is the upstream interface...

Страница 95: ...nt to act as the upstream interface 3 Enable IGMP proxy on that interface host1 config if ip igmp proxy 4 Optional Specify how often the router sends unsolicited reports to routers on the upstream int...

Страница 96: ...ue this command only on the upstream interface Otherwise this command has no effect Example host1 config if ip igmp proxy V1 router present time 600 Use the no version to set the time to the default v...

Страница 97: ...oxy interfaces enabled or disabled multicast group Number of multicast groups associated with IGMP proxy interfaces Example host1 show ip igmp proxy Routing Process IGMP Proxy Administrative state ena...

Страница 98: ...tion about the interface on which you configured IGMP proxy To view information about a particular interface enter an interface type and specifier such as atm 3 0 For details about interface types and...

Страница 99: ...queries received v1 reports Number of IGMPv1 group membership reports received v2 reports Number of IGMPv2 group membership reports received Interface statistics Sent Statistics for messages sent fro...

Страница 100: ...78 Monitoring IGMP Proxy JUNOSe 11 1 x Multicast Routing Configuration Guide...

Страница 101: ...n a VR on page 87 Enabling PIM on an Interface on page 88 Setting a Priority to Determine the Designated Router on page 89 Configuring the PIM Join Prune Message Interval on page 89 Configuring an RP...

Страница 102: ...messages periodically to determine the designated router The router with the highest network layer address becomes the designated router If the designated router subsequently receives a hello message...

Страница 103: ...equests to join a multicast group it sends an IGMP message to its first hop router The first hop router then sends a graft message upstream PIM routers send join messages on multiaccess interfaces to...

Страница 104: ...ode protocols RPF checks of multicast entries when unicast routing configuration changes Timers for tree maintenance Border null Rendezvous Point Tree RPT SPT and wildcard flags PIM sparse mode resolv...

Страница 105: ...n SRT known in PIM sparse mode as an SPT to improve the network s efficiency Although shared trees minimize the traffic in the network and the costs associated with unnecessary transmission of data th...

Страница 106: ...ounce interval The hold time associated with hello messages is 3 5 times the hello interval and the holdtime associated with RP announce messages is 2 5 times the RP announce interval All other timers...

Страница 107: ...f an RP is not known for a group the router sends data using PIM dense mode However if the router discovers an RP or you configure an RP statically PIM sparse mode takes over You can configure both PI...

Страница 108: ...iled module specifications See ERX Module Guide Appendix A Module Protocol Support for information about the modules that support PIM For information about modules that support PIM on the E120 and E32...

Страница 109: ...a VR 1 Enable multicast routing See Enabling IP Multicast on page 7 2 Create a VR or access an existing VR context host1 config virtual router boston 3 Create and enable PIM processing host1 boston c...

Страница 110: ...host1 config if ip pim sparse dense mode Use the no version to disable PIM on an interface See ip pim ip pim query interval Use to specify the interval in seconds at which the router sends hello mess...

Страница 111: ...priority 24 In Interface Configuration mode host1 config subif ip pim dr priority 24 Use the no version to restore the default value 1 See ip pim dr priority Configuring the PIM Join Prune Message Int...

Страница 112: ...solves any conflicts The RP mapping agent notifies neighbors of the RP assigned to each group Configuring a Static RP Router If you want to control PIM more tightly you can configure a static RP route...

Страница 113: ...Configure an access list that details the multicast groups that can use the static RP router host1 config access list boston permit 224 0 0 0 15 255 255 255 3 Prevent routers from advertising auto RP...

Страница 114: ...config ip pim send rp announce loopback 2 scope 23 group list boston interval 200 Use the no version to clear filters from this interface See ip pim send rp announce ip pim send rp discovery scope Us...

Страница 115: ...ld of BSMs that the router originates In the BSR election process the BSR with the higher priority is preferred If the priority values are equal the router with the higher IP address becomes the BSR T...

Страница 116: ...ll routers are BSR capable continue to use auto RP After all routers are BSR capable switch from auto RP to BSR as follows 1 Use the no ip pim send rp discovery scope command to stop PIM in the networ...

Страница 117: ...ticast Distribution Trees MDTs and data MDTs Creating Multicast VPNs Using the Default MDT The JUNOSe software does not support a single MDT command Instead you must configure the multicast tunnel int...

Страница 118: ...nterface of the parent router might restrict operation with non Juniper Networks routers Tp is an unnumbered IP interface that is tied to the loopback interface of the provider edge router PE To confi...

Страница 119: ...config interface loopback 0 host1 PE2 config if ip address 2 2 2 2 255 255 255 255 host1 PE2 config if ip pim sparse mode host1 PE2 config if NOTE You must configure the loopback interface for PIM spa...

Страница 120: ...rface loopback 0 host1 PE2 CE21 config if ip address 2 2 2 2 255 255 255 255 host1 PE2 CE21 config if exit host1 PE2 CE21 config exit host1 PE2 CE21 virtual router PE2 CE22 host1 PE2 CE22 configuratio...

Страница 121: ...is initially forwarded on the default MDT The system creates the data MDT when the flow rate exceeds a value you configure in the route map using the set threshold command When the Source C PIM SM fir...

Страница 122: ...is active If it is C PIM SM creates the data MDT Establishing a Data MDT Using ASM or SSM A data MDT carries one C SG flow If the data MDTs are established using any source multicast ASM then the P Gr...

Страница 123: ...1 host1 config if tunnel source 1 1 1 1 host1 config if tunnel destination 233 3 1 1 host1 config if tunnel mdt host1 config if exit The tunnel mdt command enables the IP tunnel component to create an...

Страница 124: ...ace Example host1 config if ip pim sparse mode Use the no version to disable PIM on an interface See ip pim tunnel mdt Use to enable multicast distribution tree MDT operation so the IP tunnel componen...

Страница 125: ...st1 pe1 config ip pim group address pool pe13DataMdtGroups 233 3 1 0 233 3 1 255 If the data MDTs are established using ASM you must divide the range of available MDT P Group addresses so that PEs sou...

Страница 126: ...mdt host1 pe1 pe13 config ip pim data mdt tunnel source 1 1 1 1 host1 pe1 pe13 config ip pim data mdt tunnel group address pool pe13DataMdtG host1 pe1 pe13 config ip pim data mdt route map pe13MdtThr...

Страница 127: ...host1 ip pim data mdt config mdt data timeout 160 Use the no version to return to the default See mdt data timeout mdt interval Use to configure the time in seconds between successive MLD join TLV mes...

Страница 128: ...nd very high memory consumption For information about how to create access lists see Configuring Routing Policy in the JUNOSe IP Services Configuration Guide ip pim join filter Use to specify an exten...

Страница 129: ...following example PIM SSM also works with IGMPv2 if you configure the ssm map in IGMP as in the following example host1 config ip pim ssm host1 config access list ssm_map1 permit 232 0 0 1 255 255 25...

Страница 130: ...m a remote PIM neighbor if BFD is enabled and if the session is not already present the local router attempts to create a BFD session to the remote neighbor Each adjacent pair of neighbors negotiates...

Страница 131: ...ss detection negotiation see Negotiation of the BFD Liveness Detection Interval in the JUNOSe IP Services Configuration Guide You can change the BFD liveness detection parameters at any time without s...

Страница 132: ...s and specifiers see Interface Types and Specifiers in JUNOSe Command Reference Guide If you do not specify an interface the router clears the counters on all interfaces Example host1 clear ip pim int...

Страница 133: ...ost1 undebug ip pim events There is no no version See undebug ip pim Monitoring PIM Settings You can use the show ip pim commands to display information about PIM settings show ip pim Use to view gene...

Страница 134: ...r name of the access list specifying the range Sparse Mode Graceful Restart Duration Restart interval in seconds Join filter Name of the join filter access list if configured for this PIM router Desig...

Страница 135: ...p s 224 0 0 0 4 AutoRP ttl 64 interval 60 from access List 1 Candidate RP 122 0 0 1 Group s 224 0 1 39 32 negative AutoRP ttl 64 interval 60 from access List 1 Candidate RP 122 0 0 1 Group s 224 0 1 4...

Страница 136: ...st1 1 show ip pim bsr This PIM router is a Candidate BSR Configured on intf ATM3 0 100 address 100 0 0 1 hashMaskLen 30 priority 2 period 60 seconds Elected BSR is 101 0 0 1 priority 0 expires in 73 s...

Страница 137: ...bps Time until next MDT Join TLV 25 seconds Example 2 Displays information about a data MDT receiver host1 PE1 show ip pim data mdt 225 2 2 2 PE31 Receiver C SG 10 13 0 100 225 2 2 2 P SG 3 3 3 3 235...

Страница 138: ...r 107 0 4 8 Pruned Oifs Address 108 0 8 5 IfId 95 Pruned due to assert Pruned time remaining 129 130 0 0 2 224 0 1 39 EntryExpires 100 RPF Route 130 0 0 0 255 0 0 0 IIF 107 0 8 4 UpNbr 107 0 4 8 Prune...

Страница 139: ...in seconds at which the interface sends the join prune messages DR Addr Address of the designated router SM Number of PIM sparse mode interfaces DM Number of PIM dense mode interfaces SM DM Number of...

Страница 140: ...IP address of the neighbor Interface Name Type and specifier of the interface to which the neighbor connects For details about interface types and specifiers see Interface Types and Specifiers in JUNO...

Страница 141: ...er was assigned AutoRP Static RP or BSR expiryTime Time in seconds at which the RP mapping becomes invalid unless the mapping agent access list reassigns the RP router to this group Example 1 host1 8...

Страница 142: ...92 via BSR expires in 145 seconds See show ip pim rp hash show ip pim sparse mode sg state Use to display information for each S G pair for PIM sparse mode and PIM SSM Field descriptions S G pair Sour...

Страница 143: ...106 0 3 7 Oifs Address 78 7 7 7 Interface loopback7 Local group membership present 235 1 1 1 Group to RP mapping 224 0 0 0 240 0 0 0 RP 123 0 0 1 RPF Route 123 0 0 0 255 0 0 0 IIF 106 0 7 3 UpNbr 106...

Страница 144: ...unicast route table information Route RpfNbr Iif Pref Metric 122 0 0 0 255 0 0 0 122 0 0 1 255 1 Count of entries 1 See show ip pim sparse mode unicast route show ip pim spt threshold Use to display...

Страница 145: ...Monitoring PIM 123 Chapter 3 Configuring PIM for IPv4 Multicast...

Страница 146: ...124 Monitoring PIM JUNOSe 11 1 x Multicast Routing Configuration Guide...

Страница 147: ...DVMRP on a VR on page 128 Activating DVMRP on an Interface on page 129 Configuring DVMRP Limits on page 129 Filtering DVMRP Reports on page 130 Configuring DVMRP Summary Addresses on page 131 Changing...

Страница 148: ...nterface the associated VR adds information about local networks to its DVMRP routing table The VR then sends probe messages periodically to learn about neighbors on each of its interfaces To ensure c...

Страница 149: ...a member These routes can be static or learned routes Table 7 on page 127 shows an example of the S G pair table for DVMRP A dash in the Input Port column indicates that the interface is associated w...

Страница 150: ...IGP Configuration Guide For information about configuring IPv6 interfaces see Configuring IPv6 in the JUNOSe IP IPv6 and IGP Configuration Guide For information about configuring multicast on IPv6 int...

Страница 151: ...interface the router determines that DVMRP owns the interface NOTE You cannot configure DVMRP and PIM on the same interface When you have enabled DVMRP processing on a VR you can configure the followi...

Страница 152: ...computes the RPF interface for the source of a multicast packet By default the router associates a distance of 0 with DVMRP routes this value specifies that the router use DVMRP rather than a unicast...

Страница 153: ...umbered interface points If you configure a summary address on an interface and do not disable automatic summarization the interface advertises the least specific address ip dvmrp auto summary Use to...

Страница 154: ...xample host1 boston config if ip dvmrp metric offset in 3 Use the no version to revert to the default settings 1 for incoming reports and 0 for outgoing reports See ip dvmrp metric offset Importing Ro...

Страница 155: ...n map atm 3 2 Use the no version to delete the route map If you do not specify an interface it removes the global route map if one exists See route map router dvmrp Use to create and enable DVMRP proc...

Страница 156: ...e router updates the table by exchanging information with its neighbors The DVMRP routing table is used solely for RPF lookups By default if DVMRP owns an interface that interface exchanges DVMRP unic...

Страница 157: ...version to reenable DVMRP processing on a VR See disable ip dvmrp Use to activate DVMRP on an interface This command automatically creates and enables DVMRP processing on the current VR Issue this co...

Страница 158: ...bnet mask the router removes the longest route to that IP address from the DVMRP table If you specify a subnet mask the router removes that specific route from the DVMRP table Example host1 boston cle...

Страница 159: ...of Triggered Routes Number of routes waiting to be advertised because a parameter for the route changed Reachable Routes Number of routes that the router can currently reach Route hog notification Nu...

Страница 160: ...RBdPk Number of bad packets received on this interface Received Bad Routes RBdRt Number of bad routes received on this interface Routes Sent SntRt Number of bad routes advertised on this interface Ad...

Страница 161: ...riptions S G pair Source Group pair value Uptime Time in seconds that this S G pair entry has been in the routing table Upstream Prune Whether the router has sent prune messages for this group RPF Int...

Страница 162: ...Ability to send prunes and grafts with a network mask address Neighbor State State Status of communications with the neighbor Active Router is able to communicate with this neighbor Down Neighbor is d...

Страница 163: ...utes associated with that interface For details about interface types and specifiers see Interface Types and Specifiers in JUNOSe Command Reference Guide Specify the brief keyword to view a summary of...

Страница 164: ...5 0 0 0 8 Dvmrp Local 1 Never 26 atm5 0 15 25 0 0 0 8 14 0 0 1 2 121 19 atm5 0 14 See show ip dvmrp route show ip dvmrp routeNextHop Use to display information about the next hop Field descriptions ad...

Страница 165: ...172 19 0 0 16 3 leaf 172 19 0 0 16 4 branch See show ip dvmrp routeNextHop Monitoring DVMRP 143 Chapter 4 Configuring DVMRP...

Страница 166: ...144 Monitoring DVMRP JUNOSe 11 1 x Multicast Routing Configuration Guide...

Страница 167: ...t 2 Internet Protocol Version 6 Configuring IPv6 Multicast on page 147 Configuring Multicast Listener Discovery on page 183 Configuring PIM for IPv6 Multicast on page 215 Internet Protocol Version 6 1...

Страница 168: ...146 Internet Protocol Version 6 JUNOSe 11 1 x Multicast Routing Configuration Guide...

Страница 169: ...cast Routes for RPF on page 153 Defining Permanent IPv6 Multicast Forwarding Entries on page 153 Defining a Multicast Bandwidth Map on page 154 Configuring Multicast QoS Adjustment on page 158 Activat...

Страница 170: ...ticast Protocols on a Router Function Protocol Discovers hosts that belong to multicast group Multicast Listener Discovery MLD Discovers other multicast routers that should receive multicast packets P...

Страница 171: ...orwards packets received on the RPF IIF to a list of outgoing interfaces OIFs The list of OIFs is determined by the exchange of routing information and local group membership information The router ma...

Страница 172: ...traffic compete for switch fabric bandwidth the switch fabric allocates 15 17ths of the available bandwidth to multicast traffic and 2 17ths of the available bandwidth to unicast traffic You can use...

Страница 173: ...th Forwarding Use the show ipv6 rpf route command to display all available routes only the routes to a particular destination or routes associated with a specific unicast protocol that the router can...

Страница 174: ...r accepts multicast packets for each S G pair on an incoming interface IIF which satisfies the RPF check RPF IIF When the router performs RPF checks only the interface that first accepts traffic for a...

Страница 175: ...he show ipv6 rpf routes command to view the routes available for RPF By default BGP routes are available both for unicast forwarding and multicast reverse path forwarding checks Example host1 config r...

Страница 176: ...times in a route map entry only the last admission bandwidth command or qos bandwidth command in the bandwidth map is used In other words if you included the set qos bandwidth command first and then...

Страница 177: ...e set admission bandwidth adaptive command set qos bandwidth adaptive command or both For example host1 config route map mcast bandwidths permit 10 host1 config route map match ip address sdtv host1 c...

Страница 178: ...R2 R3 and so on The first two sampling interval calculations would look like the following R1 N5 N0 5 R2 N 5 N 5 The router maintains a history of bandwidth measurements H for each mroute up to a maxi...

Страница 179: ...bandwidth and set qos bandwidth commands host1 config route map mcast bandwidths permit 10 host1 config route map match ipv6 address sdtv host1 config route map set admission bandwidth 2000000 host1 c...

Страница 180: ...he following sections provide two possible configuration cases for using multicast QoS adjustment NOTE For additional information about QoS adjustment see Parameter Definition Attributes for QoS Admin...

Страница 181: ...bandwidth for that multicast stream Multicast Traffic Receipt Without Forwarding In this case the router is not given the responsibility of forwarding multicast streams Instead the service provider ar...

Страница 182: ...dwidth Map on page 154 for details ipv6 multicast routing bandwidth map Use to enable the QoS adjust function on the router Example host1 config ipv6 multicast routing bandwidth map mcast bandwidths U...

Страница 183: ...low Without Hardware Multicast Packet Replication The hardware multicast packet replication feature enables you to configure multicast traffic for a VLAN or S VLAN to be replicated on the I O module o...

Страница 184: ...ed Multicast Packet Replication Each high density Ethernet module has eight physical ports numbered 0 7 A logical port is available for the hardware multicast packet replication feature numbered port...

Страница 185: ...ensity Ethernet see Configuring Ethernet Interfaces in JUNOSe Physical Layer Configuration Guide Supported Modules and Encapsulations You can enable optimized multicast packet replication on port 8 of...

Страница 186: ...red We recommend that you configure an IPv6 interface over a VLAN over one of the physical ports to reference the IPv6 interface over the same VLAN over port 8 You cannot create the following configur...

Страница 187: ...e multicast packet replication feature the FC does not replicate the packet for each of the individual ports Instead it places the packet on a special queue destined for port 8 You can configure QoS o...

Страница 188: ...ace to redirect egress multicast traffic to port 8 a Create a VLAN subinterface b Assign a VLAN ID c Assign an IPv6 address d Configure the interface to redirect egress multicast traffic to port 8 hos...

Страница 189: ...e Example host1 config if ipv6 unnumbered loopback 10 Use the no version to disable IPv6 processing on the interface See ipv6 unnumbered Monitoring Optimized Multicast Packet Replication This section...

Страница 190: ...on page 199 in Configuring Multicast Listener Discovery on page 183 Blocking and Limiting Multicast Traffic You can either block mroute creation limit the multicast bandwidth admitted on an outgoing...

Страница 191: ...e configured to run MLD You can also use this command on a PIM sparse mode dense mode or sparse dense mode interface if MLD is configured on the interface including the ipv6 mld version passive comman...

Страница 192: ...that port the router uses the lower of the two limits when determining whether or not an interface can accept any new MLD groups For example if you specify an admission bandwidth limit of 2000000 bps...

Страница 193: ...ort admission bandwidth limit Use to configure a limit on the admission bandwidth of OIFs containing IPv4 or IPv6 mroutes across different virtual routers on a port Example host1 config mroute port ad...

Страница 194: ...e additional groups can only be accepted until the port limit of 2000000 bps is reached Deleting Multicast Forwarding Entries You can clear one or more forwarding entries from the multicast routing ta...

Страница 195: ...sion bandwidth in bps QoS bandwidth QoS bandwidth in bps Uptime Length of time that the S G pair has been active in days hours minutes seconds format Expires Length of time for which the S G pair will...

Страница 196: ...incoming interface neighbor address owner route owner Incoming interface list Interface addr mask State Owner RPF IIF Outgoing interface list Interface addr mask State Owner Uptime Expires 10 0 0 1 1...

Страница 197: ...ing interface neighbor address owner route owner Incoming interface list Interface addr mask State Owner RPF IIF Outgoing interface list Interface addr mask State Owner Uptime Expires 52 1 ff3e 1 upti...

Страница 198: ...nality Count Number of mroute outgoing interfaces on the specified port BW bps Bandwidth limit in bits per second Admitted Bandwidth admitted on the port in bits per second Example host1 show mroute p...

Страница 199: ...pv6 mroute command for descriptions of all fields except the statistics field Statistics NOTE The display shows statistics after the VR has added the multicast route to the multicast routing table and...

Страница 200: ...0 1 1 64 Accept Pim RPF IIF Outgoing interface list ATM2 0 200 21 2 2 21 2 1 60 Forward Pim 0 01 05 26 never Statistics Received 346 pkts 22144 bytes Forwarded 346 pkts 22144 bytes Rcvd on OIF 0 pkts...

Страница 201: ...rotocols Use to display information about multicast protocols enabled on the router Use the brief option to display a summary of information rather than a detailed description Field descriptions Proto...

Страница 202: ...local Mld owner Mld Admission bandwidth 0 10000000 bps QoS Adjust 0 bps ATM2 0 133 31 2 2 22 2 4 60 local Mld owner Mld Admission bandwidth 8000000 10000000 bps 2 Blocked OIFs QoS Adjust 0 bps Count 2...

Страница 203: ...ful restart is complete timer 0 seconds on this router Multicast cache miss processing is enabled on this router See show ipv6 multicast routing BGP Multicast BGP multicast MBGP is an extension of the...

Страница 204: ...182 BGP Multicast JUNOSe 11 1 x Multicast Routing Configuration Guide...

Страница 205: ...ge 186 Configuring Static and Dynamic MLD Interfaces on page 186 Enabling MLD on an Interface on page 188 Configuring MLD Settings for an Interface on page 188 Specifying Multicast Groups on page 191...

Страница 206: ...eature provides support for source specific joins MLDv1 mode interfaces exchange the following types of messages between routers and hosts Multicast listener queries Multicast listener reports Multica...

Страница 207: ...not receive any reports for a specific multicast group within the maximum response time it determines that the group has no members on the network The router does not forward subsequent multicasts for...

Страница 208: ...587 Multicast Group Membership Discovery MIB draft ietf magma mgmd mib 06 txt October 2004 expiration on page 587 Before You Begin You can configure MLD only on IPv6 interfaces For information about c...

Страница 209: ...arge numbers of dynamic interfaces For detailed information about creating and assigning profiles see Configuring Dynamic Interfaces in the JUNOSe Link Layer Configuration Guide When you create a prof...

Страница 210: ...v1 or MLDv2 network the querier is the router with the lowest IPv6 address To start MLD complete the following steps 1 Enable MLD on the interface MLDv2 is the default version 2 MLDv1 Specify the MLD...

Страница 211: ...e router loses contact with the hosts that should remain in the multicast group until they send join requests in response to the router s next general multicast listener query Use the MLD Immediate Le...

Страница 212: ...over a CLI setting Example host1 boston config if ipv6 mld query interval 100 Use the no version to set the polling interval to the default 125 seconds See ipv6 mld query interval ipv6 mld query max r...

Страница 213: ...Exclude reports The request is ignored if the access list query fails The ipv6 mld access group command uses IPv6 access lists which allow both source and destination group addresses to be specified Y...

Страница 214: ...ld static group ff0e 1 Use the no version to remove the group from the interface See ipv6 mld static group Configuring Group Outgoing Interface Mapping You can configure an MLD protocol interface to u...

Страница 215: ...or 2 for the interface or specify a passive interface with only multicast data forwarding capability passive Use the MLD Version RADIUS attribute VSA 26 77 in RADIUS Access Accept messages as an alte...

Страница 216: ...hips Example host1 boston config ipv6 mld ssm map enable Use the no version to disable the SSM map See ipv6 mld ssm map enable ipv6 mld ssm map static Use to specify an access list and source address...

Страница 217: ...ber of MLD groups that an interface can accept Example host1 boston config if ipv6 mld group limit 5 Use the no version to restore the default situation in which there is no limit on the number of MLD...

Страница 218: ...ticast on page 85 ipv6 mld static exclude Use to statically exclude the MLD S G membership for a host that is not capable of dynamically signaling group membership Example host1 boston config if ipv6...

Страница 219: ...e interface from the multicast group or channel immediately without sending out a group or group source specific query and waiting for the last member query interval If the host sending the leave mess...

Страница 220: ...3 0 101 ip mld version 2 ip mld explicit tracking end ipv6 mld explicit tracking Use to set explicit host tracking for MLD interfaces To disable explicit host tracking if MLD V1 hosts are detected us...

Страница 221: ...scribed in this section NOTE The E120 and E320 routers output for monitor and show commands is identical to output from other E Series routers except that the E120 and E320 routers output also include...

Страница 222: ...reports leaves Number of done messages MLD Statistics Sent Number of multicast listener queries sent Example host1 boston show ipv6 mld Routing Process MLD Administrative state enabled Operational st...

Страница 223: ...fe80 90 1a02 1 54 0 640 91d ff0e 4 1 ATM2 0 15 Version2 fe80 90 1a02 1 54 0 640 91d Included Sources 51 1 54 51 2 54 Counts 2 version 2 0 version 1 0 check state 0 disabled 2 total 0 excluded Source g...

Страница 224: ...face enabled or disabled Version MLD version State Function of the interface querier or nonquerier Query Interval Time interval at which this interface sends query messages Other querier present inter...

Страница 225: ...ved on this interface reports Number of group multicast listener reports received leaves Number of group multicast listener done messages received wrong version queries Number of multicast listener qu...

Страница 226: ...tness 3 No inbound access group No inbound access source group No inbound apply oif map Immediate Leave disabled Explicit Host Tracking enabled Max Group limit No Limit Group Count 0 IOA packet replic...

Страница 227: ...nterfaces or to the specified mapped outgoing interface Field descriptions OIF Outgoing interface used in an OIF map Oper Operation status of the outgoing interface Group Address Multicast group IP ad...

Страница 228: ...isplay MLD membership information for multicast groups and S G channels Specify the brief keyword to see a summary of the information Specify the tracked keyword to see interface information only for...

Страница 229: ...FastEthernet2 2 fe80 90 1a02 1640 911 02 30 fe80 90 1a02 1640 912 02 48 20 11 fe80 90 1a02 1640 913 02 56 20 12 fe80 90 1a02 1640 911 02 30 20 13 fe80 90 1a02 1640 911 02 30 fe80 90 1a02 1640 912 02...

Страница 230: ...ns SSM Mapping Status of SSM mapping on the interface enabled or disabled Group Address Multicast group address requested Source List List of sources mapped to the multicast group address Example host...

Страница 231: ...er discovered through standard MLD interfaces The router acts as a proxy for its hosts The E Series router supports MLD proxy versions 1 and 2 Figure 20 on page 209 shows a router in an MLD proxy conf...

Страница 232: ...or an MLDv2 multicast listener report to the all MLDv2 routers address FF02 16 Configuring MLD Proxy To configure a downstream interface enable MLD on that interface To configure MLD proxy on the rou...

Страница 233: ...e the no version to set the version to its default value MLDv2 See ipv6 mld proxy version Setting the MLD Proxy Baseline You can set the counters for the numbers of queries received and reports sent o...

Страница 234: ...roxy interfaces Example host1 show ipv6 mld proxy Routing Process MLD Proxy Administrative state enabled Operational state enabled total 1 upstream interface state enabled 1 multicast group See show i...

Страница 235: ...configured MLD proxy To view information about a particular interface enter an interface type and specifier such as atm 3 0 For details about interface types and specifiers see Interface Types and Spe...

Страница 236: ...sent from this interface v1 reports Number of MLDv1 multicast listener reports sent v1 leaves Number of multicast listener done messages sent v2 reports Number of MLDv2 multicast listener reports sen...

Страница 237: ...age 220 Setting a Priority to Determine the Designated Router on page 220 Configuring the PIM Join Prune Message Interval on page 221 Configuring an RP Router for PIM Sparse Mode on page 222 Configuri...

Страница 238: ...xchange hello messages periodically to determine the designated router The router with the highest network layer address becomes the designated router If the designated router subsequently receives a...

Страница 239: ...either through a bootstrap mechanism or through static configuration Two bootstrap mechanisms exist bootstrap router BSR or auto RP Auto RP is not used in IPv6 implementations When implemented BSR op...

Страница 240: ...ations For information about modules that support PIM for IPv6 multicasting on the ERX7xx models ERX14xx models and the ERX310 Broadband Services Router See ERX Module Guide Table 1 Module Combination...

Страница 241: ...iguring PIM for IPv4 Multicast on page 79 Enabling and Disabling PIM on a VR By default PIM is disabled To enable PIM on a VR 1 Enable multicast routing 2 Create a VR or access the VR context 3 Create...

Страница 242: ...ode Use the no version to disable PIM in sparse mode on an interface See ipv6 pim sparse mode ipv6 pim sparse mode graceful restart duration Use to set the graceful restart duration for PIM sparse mod...

Страница 243: ...You can configure the join prune message interval using the ipv6 pim join prune interval command The ipv6 pim join prune interval command in Router Configuration mode configures the join prune interv...

Страница 244: ...rs Example host1 config ipv6 pim rp address 2001 1 76 override Use the no version to clear the filter from this interface See ipv6 pim rp address Configuring BSR and RP Candidates for PIM Sparse Mode...

Страница 245: ...v6 pim bsr candidate loopback 1 30 10 Use the no version to stop the router from acting as a BSR candidate See ipv6 pim bsr candidate ipv6 pim rp candidate Use to define a router as an RP router candi...

Страница 246: ...ient than multicasting over a shared tree see PIM Sparse Mode on page 82 ipv6 pim spt threshold Use to specify when PIM sparse mode switches from a shared tree to an SPT Specify a nonzero integer or t...

Страница 247: ...erval 40 Use the no version to restore the default setting 30 seconds See query interval remote neighbor Use to specify a remote neighbor for PIM sparse mode Specify the IP address of the interface on...

Страница 248: ...oston will be a remote neighbor of router Chicago and identify the IP address on router Boston that will transmit datagrams to router Chicago chicago config router remote neighbor 2001 1 sparse mode 5...

Страница 249: ...g PIM SSM Source Specific Multicast SSM is a datagram delivery model that best supports one to many applications also known as broadcast applications SSM is networking technology that targets audio an...

Страница 250: ...m host1 config ipv6 access list ssm_map1 permit any host ff3e 1 host1 config ipv6 mld ssm map enable host1 config ipv6 mld ssm map static ssm_map1 51 1 The no version disables ssm map host1 config no...

Страница 251: ...te from a remote PIM neighbor if BFD is enabled and if the session is not already present the local router attempts to create a BFD session to the remote neighbor Each adjacent pair of neighbors negot...

Страница 252: ...tion see Negotiation of the BFD Liveness Detection Interval in the JUNOSe IP Services Configuration Guide You can change the BFD liveness detection parameters at any time without stopping or restartin...

Страница 253: ...ace Specify the IP address of an interface to clear the counters for that interface If you do not specify an interface the router clears the counters on all interfaces Example host1 clear ipv6 pim rem...

Страница 254: ...ue in seconds set in the join prune message originated by the PIM router Join Prune Holdtime Hold time value in seconds set in the join prune message originated by the PIM router The hold time is 3 5...

Страница 255: ...which the local router is a candidate RP in a PIM sparse mode environment Field descriptions Candidacy Whether or not the router is a candidate BSR Configured on Interface on which the router is conf...

Страница 256: ...es Specify no keywords or variables to view information about all PIM interfaces Provide an interface type and specifier such as atm 3 0 to display information about that interface only For details ab...

Страница 257: ...tal number of join and prune messages Assert Number of assert messages Example 1 host1 show ipv6 pim interface PIM Interface Table Interface Addr Interface State Ver Mode Nbr Hello J P DR DR Addr Join...

Страница 258: ...uring this time it will no longer be a neighbor Ver Version of PIM that the neighbor is running Mode PIM mode that the neighbor is using sparse Example host1 show ipv6 pim neighbor PIM Neighbor Table...

Страница 259: ...rface atm2 1 108 See show ipv6 pim remote neighbor show ipv6 pim rp Use to display information about PIM group to RP mappings Specify the address of a group to view PIM group to RP mappings for a part...

Страница 260: ...the RPF route IIF IPv6 address of the incoming interface for the RPF route UpNbr IPv6 address of the upstream neighbor Oifs Outgoing interface Register Oif to RP IP address of RP router for the outgo...

Страница 261: ...Register Oif to RP 141 2 suppressed for SSM Group Address 134 1 Interface ATM3 0 104 Joined as S G Join Expires 161 10 8 ff0e 5 1 EntryExpires 143 Group to RP mapping ff00 12 RP 123 1 RPF Route 10 0...

Страница 262: ...ignated router Field descriptions Access List Name Name of the IPv6 access list that specifies the groups to which the threshold applies SptThreshold in kbps Value at which PIM sparse mode should swit...

Страница 263: ...Part 3 Index Index on page 243 Index 241...

Страница 264: ...242 Index JUNOSe 11 1 x Multicast Routing Configuration Guide...

Страница 265: ...s xix text and syntax xx customer support xxi contacting JTAC xxi D data MDT creating 99 data path failure detecting RIP 108 229 debug commands debug ip pim 110 debug ipv6 pim 231 default MDT creating...

Страница 266: ...t limit 26 28 168 ip dvmrp commands 129 ip dvmrp 129 135 ip dvmrp accept filter 130 ip dvmrp announce list 133 ip dvmrp auto summary 131 ip dvmrp disable 135 ip dvmrp metric offset 132 ip dvmrp route...

Страница 267: ...ssm map enable 193 ipv6 mld ssm map static 193 ipv6 mld static exclude 196 ipv6 mld static group 192 ipv6 mld static include 196 ipv6 mld version 166 188 192 ipv6 mld proxy 210 ipv6 mld proxy unsolici...

Страница 268: ...se mode 82 216 configuring auto RP router 90 joining groups 216 pruning 216 remote neighbors configuring 94 95 224 setting a threshold 94 224 timers 84 217 PIM sparse dense mode 79 configuring auto RP...

Страница 269: ...pim sparse mode sg state 110 show ip pim sparse mode unicast route 110 show ip pim spt threshold 110 show ipv6 commands show ipv6 mroute 173 show ipv6 mroute count 173 show ipv6 mroute summary 173 sho...

Страница 270: ...mmand 106 tunnel mdt command 98 102 U undebug commands undebug ip pim 110 undebug ipv6 pim 231 unicast routes DVMRP 134 update source command 225 upstream interface 72 209 V vlan commands encapsulatio...

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