Deployment Guide

12 Link Aggregation....................................................................................................................................... 132
Supported Modes...........................................................................................................................................................132
How the LACP is Implemented on an Aggregator......................................................................................................132
Uplink LAG.................................................................................................................................................................133
Server-Facing LAGs................................................................................................................................................. 133
LACP Modes.............................................................................................................................................................133
Auto-Congured LACP Timeout............................................................................................................................ 134
LACP Example................................................................................................................................................................ 134
Link Aggregation Control Protocol (LACP).................................................................................................................135
Conguration Tasks for Port Channel Interfaces................................................................................................. 135
Creating a Port Channel.......................................................................................................................................... 135
Adding a Physical Interface to a Port Channel..................................................................................................... 135
Reassigning an Interface to a New Port Channel.................................................................................................137
Conguring the Minimum Oper Up Links in a Port Channel............................................................................... 138
Conguring VLAN Tags for Member Interfaces................................................................................................... 138
Deleting or Disabling a Port Channel......................................................................................................................139
Conguring Auto LAG....................................................................................................................................................139
Conguring the Minimum Number of Links to be Up for Uplink LAGs to be Active.............................................. 141
Optimizing Trac Disruption Over LAG Interfaces On IOA Switches in VLT Mode.............................................. 142
Preserving LAG and Port Channel Settings in Nonvolatile Storage.........................................................................142
Enabling LACP link-fallback...........................................................................................................................................142
Enabling the Verication of Member Links Utilization in a LAG Bundle...................................................................143
Monitoring the Member Links of a LAG Bundle......................................................................................................... 143
Verifying LACP Operation and LAG Conguration.....................................................................................................144
Multiple Uplink LAGs...................................................................................................................................................... 147
Multiple Uplink LAGs with 10G Member Ports........................................................................................................... 147
Multiple Uplink LAGs with 40G Member Ports...........................................................................................................148
13 Layer 2.......................................................................................................................................................151
Supported Modes............................................................................................................................................................151
Managing the MAC Address Table................................................................................................................................151
Clearing the MAC Address Entries..........................................................................................................................151
Displaying the MAC Address Table.........................................................................................................................152
Network Interface Controller (NIC) Teaming..............................................................................................................152
MAC Address Station Move....................................................................................................................................153
MAC Move Optimization.........................................................................................................................................154
14 Link Layer Discovery Protocol (LLDP)...................................................................................................... 155
Supported Modes...........................................................................................................................................................155
Protocol Data Units........................................................................................................................................................155
Congure LLDP...............................................................................................................................................................157
Related Conguration Tasks....................................................................................................................................157
Important Points to Remember.............................................................................................................................. 157
CONFIGURATION versus INTERFACE Congurations............................................................................................. 157
Enabling LLDP.................................................................................................................................................................158
Contents
7