vii
How MLDv1 works ·············································································································································· 258
How MLDv2 works ·············································································································································· 260
MLD messages ····················································································································································· 261
MLD SSM mapping ············································································································································· 264
MLD proxying ······················································································································································ 265
Protocols and standards ····································································································································· 265
MLD configuration task list ·········································································································································· 266
Configuring basic MLD functions ······························································································································· 266
Enabling MLD ······················································································································································ 267
Configuring the MLD version ····························································································································· 267
Configuring static joining ··································································································································· 267
Configuring an IPv6 multicast group filter ········································································································ 268
Setting the maximum number of IPv6 multicast groups that an interface can join ······································· 268
Adjusting MLD performance ······································································································································· 269
Configuration prerequisites ································································································································ 269
Configuring Router-Alert option handling methods·························································································· 269
Configuring MLD query and response parameters·························································································· 270
Configuring MLD fast-leave processing ············································································································ 272
Enabling the MLD host tracking function ·········································································································· 273
Setting the DSCP value for MLD messages ······································································································· 273
Configuring MLD SSM mapping ································································································································ 273
Configuration prerequisites ································································································································ 274
Enabling MLD SSM mapping····························································································································· 274
Configuring MLD SSM mappings ······················································································································ 274
Configuring MLD proxying ········································································································································· 274
Enabling MLD proxying ······································································································································ 275
Configuring IPv6 multicast forwarding on a downstream interface ······························································ 275
Displaying and maintaining MLD
······························································································································· 276
MLD configuration examples ······································································································································ 277
Basic MLD functions configuration example
····································································································· 277
MLD SSM mapping configuration example ····································································································· 279
MLD proxying configuration example
··············································································································· 282
Troubleshooting MLD ··················································································································································· 284
No member information on the receiver-side router ························································································ 284
Inconsistent memberships on routers on the same subnet ··············································································· 285
Configuring IPv6 PIM ·············································································································································· 286
Overview······································································································································································· 286
IPv6 PIM-DM overview ········································································································································ 286
IPv6 PIM-SM overview ········································································································································ 289
IPv6 administrative scoping overview ··············································································································· 295
IPv6 PIM-SSM overview ······································································································································ 297
Relationship among IPv6 PIM protocols············································································································ 299
Protocols and standards ····································································································································· 299
Configuring IPv6 PIM-DM············································································································································ 299
IPv6 PIM-DM configuration task list ··················································································································· 299
Configuration prerequisites ································································································································ 300
Enabling IPv6 PIM-DM ········································································································································ 300
Enabling state-refresh capability ························································································································ 300
Configuring state refresh parameters ················································································································ 301
Configuring IPv6 PIM-DM graft retry period ···································································································· 301
Configuring IPv6 PIM-SM ············································································································································ 302
IPv6 PIM-SM configuration task list···················································································································· 302
Configuration prerequisites ································································································································ 302
Enabling IPv6 PIM-SM········································································································································· 303