Users Guide

12 Link Aggregation....................................................................................................................................... 130
Supported Modes...........................................................................................................................................................130
How the LACP is Implemented on an Aggregator..................................................................................................... 130
Uplink LAG..................................................................................................................................................................131
Server-Facing LAGs..................................................................................................................................................131
LACP Modes..............................................................................................................................................................131
Auto-Congured LACP Timeout............................................................................................................................ 132
LACP Example................................................................................................................................................................ 132
Link Aggregation Control Protocol (LACP)................................................................................................................. 133
Conguration Tasks for Port Channel Interfaces..................................................................................................133
Creating a Port Channel.......................................................................................................................................... 133
Adding a Physical Interface to a Port Channel......................................................................................................133
Reassigning an Interface to a New Port Channel.................................................................................................135
Conguring the Minimum Oper Up Links in a Port Channel............................................................................... 136
Conguring VLAN Tags for Member Interfaces...................................................................................................136
Deleting or Disabling a Port Channel...................................................................................................................... 137
Conguring Auto LAG.................................................................................................................................................... 137
Conguring the Minimum Number of Links to be Up for Uplink LAGs to be Active..............................................139
Optimizing Trac Disruption Over LAG Interfaces On IOA Switches in VLT Mode.............................................. 140
Preserving LAG and Port Channel Settings in Nonvolatile Storage.........................................................................140
Enabling LACP link-fallback...........................................................................................................................................140
Enabling the Verication of Member Links Utilization in a LAG Bundle................................................................... 141
Monitoring the Member Links of a LAG Bundle..........................................................................................................141
Verifying LACP Operation and LAG Conguration.....................................................................................................142
Multiple Uplink LAGs......................................................................................................................................................145
Multiple Uplink LAGs with 10G Member Ports........................................................................................................... 145
Multiple Uplink LAGs with 40G Member Ports.......................................................................................................... 146
13 Layer 2......................................................................................................................................................149
Supported Modes...........................................................................................................................................................149
Managing the MAC Address Table...............................................................................................................................149
Clearing the MAC Address Entries.........................................................................................................................149
Displaying the MAC Address Table.........................................................................................................................150
Network Interface Controller (NIC) Teaming..............................................................................................................150
MAC Address Station Move.................................................................................................................................... 151
MAC Move Optimization.........................................................................................................................................152
14 Link Layer Discovery Protocol (LLDP).......................................................................................................153
Supported Modes...........................................................................................................................................................153
Protocol Data Units........................................................................................................................................................ 153
Congure LLDP.............................................................................................................................................................. 155
Related Conguration Tasks....................................................................................................................................155
Important Points to Remember.............................................................................................................................. 155
CONFIGURATION versus INTERFACE Congurations.............................................................................................155
Enabling LLDP.................................................................................................................................................................156
Contents
7