v
Protocols and standards ····································································································································· 185
Configuring MSTP ························································································································································ 185
Configuration task list ········································································································································· 185
Configuring an MST region ······························································································································· 185
Configuring MSTP globally ································································································································ 187
Configuring MSTP on a port ······························································································································ 189
Displaying MSTP information of a port ············································································································· 191
MSTP configuration example ······································································································································ 194
Configuration guidelines ············································································································································· 198
Link aggregation and LACP configuration ············································································································ 200
Basic concepts ····················································································································································· 200
Link aggregation modes ····································································································································· 201
Load sharing mode of an aggregation group ·································································································· 203
Configuring link aggregation and LACP ··················································································································· 203
Configuration task list ········································································································································· 203
Creating a link aggregation group ··················································································································· 204
Displaying information of an aggregate interface ·························································································· 206
Setting LACP priority ··········································································································································· 206
Displaying information of LACP-enabled ports ································································································ 207
Link aggregation and LACP configuration example ································································································· 209
Configuration guidelines ············································································································································· 211
LLDP configuration ··················································································································································· 213
Background ·························································································································································· 213
Basic concepts ····················································································································································· 213
How LLDP works ·················································································································································· 217
Compatibility of LLDP with CDP ························································································································· 217
Protocols and standards ····································································································································· 218
Configuring LLDP ·························································································································································· 218
LLDP configuration task list ································································································································· 218
Enabling LLDP on ports ······································································································································· 219
Configuring LLDP settings on ports ···················································································································· 220
Configuring global LLDP setup ··························································································································· 224
Displaying LLDP information for a port ············································································································· 226
Displaying global LLDP information ··················································································································· 230
Displaying LLDP information received from LLDP neighbors ··········································································· 232
LLDP configuration examples ······································································································································ 232
Basic LLDP configuration example ····················································································································· 232
CDP-compatible LLDP configuration example ··································································································· 238
Configuration guidelines ············································································································································· 244
IGMP snooping configuration ································································································································ 245
Overview ······································································································································································· 245
Principle of IGMP snooping ······························································································································· 245
IGMP snooping related ports ····························································································································· 245
Work mechanism of IGMP snooping ················································································································ 246
IGMP snooping querier ······································································································································ 248
Protocols and standards ····································································································································· 248
Configuring IGMP snooping ······································································································································· 248
Configuration task list ········································································································································· 248
Enabling IGMP snooping globally ···················································································································· 249
Configuring IGMP snooping in a VLAN ··········································································································· 249
Configuring IGMP snooping port functions ······································································································ 251
Display IGMP snooping multicast entry information ························································································ 252
IGMP snooping configuration example ····················································································································· 253
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