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Chapter 3

Configuring PIM for IPv4 Multicast

79

Overview .......................................................................................................80

PIM Dense Mode .....................................................................................80

Overriding Prunes ............................................................................81
Preventing Duplication .....................................................................81

PIM Sparse Mode ....................................................................................82

Joining Groups ..................................................................................84
Timers ..............................................................................................84

PIM Sparse Mode Bootstrap Router .........................................................84
PIM Sparse-Dense Mode .........................................................................85
PIM Source-Specific Multicast ..................................................................85

Platform Considerations ................................................................................86
References ....................................................................................................86
Before You Begin ...........................................................................................87
Enabling PIM on a VR ....................................................................................87
Disabling PIM on a VR ...................................................................................87
Enabling PIM on an Interface ........................................................................88
Setting a Priority to Determine the Designated Router ..................................89
Configuring the PIM Join/Prune Message Interval ..........................................89
Configuring an RP Router for PIM Sparse Mode and PIM Sparse-Dense

Mode ......................................................................................................90
Configuring a Static RP Router ................................................................90
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 .....................................................................94
Switching to an SPT for PIM Sparse Mode .....................................................94
Creating Multicast VPNs ................................................................................95

Creating Multicast VPNs Using the Default MDT .....................................95

Multicast VPN Configuration Example ..............................................95

Creating Multicast VPNs Using the Data MDT .........................................99

Data MDT Sources ............................................................................99
Data MDT Receivers .......................................................................100
Establishing a Data MDT Using ASM or SSM ...................................100
Configuring the Default MDT ..........................................................101
Configuring Data MDTs ..................................................................102

Using PIM Sparse Mode Join Filters .............................................................106
Configuring PIM SSM ...................................................................................106
Configuring the BFD Protocol for PIM ..........................................................108
Removing PIM .............................................................................................109
Resetting PIM Counters and Mappings ........................................................109
Monitoring PIM ...........................................................................................110

Monitoring PIM Events ..........................................................................111
Monitoring PIM Settings ........................................................................111

Table of Contents

xi

Table of Contents

Summary of Contents for JUNOSE 11.1.X MULTICAST ROUTING

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 6: ...vi...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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