Management and Configuration Guide K/KA/KB.15.15

Port Shutdown with Broadcast Storm...................................................................................132
Configuration Commands.............................................................................................133
Viewing broadcast-storm configuration...........................................................................133
Definitions..................................................................................................................134
Event logs..................................................................................................................134
Enabling dynamic LACP trunk groups.................................................................................135
Removing ports from a dynamic LACP trunk group................................................................135
Setting the LACP key........................................................................................................136
Viewing existing port trunk groups (WebAgent)....................................................................136
Viewing and configuring a static trunk group (Menu).................................................................136
Enabling L4-based trunk load balancing..................................................................................138
Viewing trunk load balancing.................................................................................................139
Operating notes..............................................................................................................140
Distributed trunking...............................................................................................................140
Configuring ISC ports.......................................................................................................140
Configuring distributed trunking ports.................................................................................140
Configuring peer-keepalive links........................................................................................141
Viewing distributed trunking information..............................................................................141
Viewing peer-keepalive configuration..................................................................................142
Viewing switch interconnect...............................................................................................143
Overview of port trunking......................................................................................................143
Port connections and configuration.....................................................................................144
Port trunk operation...............................................................................................................144
Fault tolerance ................................................................................................................145
Trunk configuration methods...................................................................................................145
Dynamic LACP trunk.........................................................................................................145
Dynamic LACP Standby Links.............................................................................................145
Viewing LACP Local Information.........................................................................................146
Viewing LACP Peer Information..........................................................................................146
Viewing LACP Counters....................................................................................................146
Using keys to control dynamic LACP trunk configuration........................................................146
Static trunk......................................................................................................................147
General operating rules for port trunks...........................................................................148
About configuring a static or dynamic trunk group................................................................150
About enabling a dynamic LACP trunk group......................................................................150
Dynamic LACP standby links.............................................................................................150
Viewing LACP local information.........................................................................................151
Viewing LACP peer information.........................................................................................151
Viewing LACP counters.....................................................................................................152
Trunk group operation using LACP..........................................................................................152
Default port operation......................................................................................................154
LACP notes and restrictions................................................................................................155
802.1X (Port-based access control) configured on a port...................................................155
Port security................................................................................................................155
Changing trunking methods..........................................................................................156
Static LACP trunks.......................................................................................................156
Dynamic LACP trunks...................................................................................................156
VLANs and dynamic LACP...........................................................................................156
Blocked ports with older devices....................................................................................156
Spanning Tree and IGMP.............................................................................................157
Half-duplex, different port speeds, or both not allowed in LACP trunks................................157
Dynamic/static LACP interoperation...............................................................................157
Trunk group operation using the "trunk" option.........................................................................157
Viewing trunk data on the switch............................................................................................158
Outbound traffic distribution across trunked links.......................................................................158
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