7
MSTP basic concepts ················································································································································ 185
How MSTP works ······················································································································································ 189
Implementation of MSTP on devices ······················································································································· 189
Protocols and standards ··········································································································································· 190
Configuring MSTP ··························································································································································· 190
Configuration task list ··············································································································································· 190
Configuring an MST region ····································································································································· 190
Configuring MSTP globally ······································································································································ 192
Configuring MSTP on a port ···································································································································· 194
Displaying MSTP information of a port ·················································································································· 196
MSTP configuration example ········································································································································· 199
Configuration guidelines ················································································································································ 203
Link aggregation and LACP configuration ············································································································ 205
Basic concepts ··························································································································································· 205
Link aggregation modes ··········································································································································· 206
Load sharing mode of an aggregation group ······································································································· 208
Configuring link aggregation and LACP ······················································································································ 208
Configuration task list ··············································································································································· 208
Creating a link aggregation group ························································································································· 209
Displaying information of an aggregate interface ································································································ 211
Setting LACP priority ················································································································································· 211
Displaying information of LACP-enabled ports ······································································································ 212
Link aggregation and LACP configuration example ··································································································· 214
Configuration guidelines ················································································································································ 217
LLDP configuration ··················································································································································· 218
Background ······························································································································································· 218
Basic concepts ··························································································································································· 218
How LLDP works ························································································································································ 222
Compatibility of LLDP with CDP ······························································································································· 222
Protocols and standards ··········································································································································· 223
Configuring LLDP ····························································································································································· 223
LLDP configuration task list ······································································································································· 223
Enabling LLDP on ports ············································································································································· 224
Configuring LLDP settings on ports ·························································································································· 225
Configuring global LLDP setup ································································································································ 229
Displaying LLDP information for a port ··················································································································· 231
Displaying global LLDP information ························································································································ 236
Displaying LLDP information received from LLDP neighbors················································································· 238
LLDP configuration examples ········································································································································· 238
Basic LLDP configuration example ·························································································································· 238
CDP-compatible LLDP configuration example ········································································································ 244
Configuration guidelines ················································································································································ 250
IGMP snooping configuration ································································································································ 251
Overview ········································································································································································· 251
Principle of IGMP snooping ····································································································································· 251
IGMP snooping related ports ·································································································································· 251
Work mechanism of IGMP snooping ····················································································································· 252
IGMP snooping querier ············································································································································ 254
Protocols and standards ··········································································································································· 254
Configuring IGMP snooping ·········································································································································· 254
Configuration task list ··············································································································································· 254
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