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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