viii
MBGP configuration example ···································································································································· 236
MLD snooping configuration ·································································································································· 240
MLD snooping overview ·············································································································································· 240
Introduction to MLD snooping ···························································································································· 240
Basic concepts in MLD snooping ······················································································································· 241
How MLD snooping works ································································································································· 242
MLD snooping proxying ····································································································································· 244
Protocols and standards ····································································································································· 245
MLD snooping configuration task list ························································································································· 245
Configuring basic functions of MLD snooping ·········································································································· 246
Configuration prerequisites ································································································································ 246
Enabling MLD snooping ····································································································································· 246
Configuring the version of MLD snooping ········································································································ 247
Configuring IPv6 static multicast MAC address entries··················································································· 247
Configuring MLD snooping port functions ················································································································· 248
Configuration prerequisites ································································································································ 248
Configuring aging timers for dynamic ports ···································································································· 248
Configuring static ports ······································································································································ 249
Configuring simulated joining ···························································································································· 250
Configuring fast-leave processing ····················································································································· 250
Disabling a port from becoming a dynamic router port ················································································· 251
Configuring MLD snooping querier ··························································································································· 252
Configuration prerequisites ································································································································ 252
Enabling MLD snooping querier ························································································································ 252
Configuring MLD queries and responses ·········································································································· 253
Configuring source IPv6 addresses of MLD queries ························································································ 254
Configuring MLD snooping proxying ························································································································ 254
Configuration prerequisites ································································································································ 254
Enabling MLD snooping proxying ····················································································································· 254
Configuring a source IPv6 address for the MLD messages sent by the proxy ·············································· 255
Configuring an MLD snooping policy ························································································································ 255
Configuration prerequisites ································································································································ 255
Configuring an IPv6 multicast group filter ········································································································ 255
Configuring IPv6 multicast source port filtering ······························································································· 256
Configuring the function of dropping unknown IPv6 multicast data ······························································ 257
Configuring MLD report suppression ················································································································ 257
Configuring the maximum number of multicast groups that a port can join················································· 258
Configuring IPv6 multicast group replacement ································································································ 258
Configuring 802.1p precedence for MLD messages ······················································································ 259
Configuring an IPv6 multicast user control policy ···························································································· 260
Displaying and maintaining MLD snooping ·············································································································· 261
MLD snooping configuration examples ····················································································································· 262
IPv6 group policy and simulated joining configuration example ·································································· 262
Static port configuration example ····················································································································· 264
MLD snooping querier configuration example ································································································· 268
MLD snooping proxying configuration example ······························································································ 269
IPv6 multicast source and user control policy configuration example ··························································· 272
Troubleshooting MLD snooping ·································································································································· 277
Layer 2 multicast forwarding cannot function ·································································································· 277
Configured IPv6 multicast group policy fails to take effect ············································································· 278
Appendix (available only on the A5500 EI) ············································································································· 278
Processing of IPv6 multicast protocol messages······························································································· 278
IPv6 multicast VLAN configuration ························································································································· 280
IPv6 multicast VLAN overview ···································································································································· 280
IPv6 multicast VLAN configuration task list ··············································································································· 282