iii
Displaying and Maintaining MSDP···········································································································14
MSDP Configuration Example ·················································································································15
Anycast RP Configuration ················································································································15
Troubleshooting MSDP Configuration ·····································································································18
MSDP Peer Always in the Down State·····························································································18
No SA Entry in the SA Cache of the Router·····················································································18
6 IGMP Snooping Configuration ····················································································································1
IGMP Snooping Overview··························································································································1
Principle of IGMP Snooping ···············································································································1
Basic Concepts in IGMP Snooping ····································································································2
Work Mechanism of IGMP Snooping ·································································································3
Configuring IGMP Snooping ······················································································································5
Enabling IGMP Snooping···················································································································5
Configuring the Version of IGMP Snooping ·······················································································6
Configuring Timers ·····························································································································7
Configuring Fast Leave Processing ···································································································7
Configuring a Multicast Group Filter···································································································8
Configuring the Maximum Number of Multicast Groups on a Port·····················································9
Configuring IGMP Snooping Querier································································································10
Suppressing Flooding of Unknown Multicast Traffic in a VLAN·······················································11
Configuring Static Member Port for a Multicast Group·····································································12
Configuring a Static Router Port·······································································································13
Disabling a Port from Becoming a Router Port ················································································13
Configuring a Port as a Simulated Group Member ··········································································14
Configuring a VLAN Tag for Query Messages·················································································15
Configuring Multicast VLAN ·············································································································15
Displaying and Maintaining IGMP Snooping····························································································17
IGMP Snooping Configuration Examples ································································································17
Configuring IGMP Snooping·············································································································17
Configuring Multicast VLAN ·············································································································19
Troubleshooting IGMP Snooping·············································································································21