Cisco Nexus 5000 Series Switch CLI Software Configuration Guide (OL-16597-01, July 2009)

Cisco Nexus 5000 Series Switch vPC Topology 126
Single Homed Fabric Extender vPC Topology 126
Dual Homed Fabric Extender vPC Topology 127
vPC Domain 128
Peer-Keepalive Link and Messages 128
Compatibility Parameters for vPC Peer Links 129
Configuration Parameters That Must Be Identical 129
Configuration Parameters That Should Be Identical 130
vPC Peer Links 131
vPC Peer Link Overview 131
Manually Configured vPC Features 132
vPC Number 133
vPC Interactions with Other Features 133
vPC and LACP 133
vPC Peer Links and STP 133
CFSoE 134
vPC Guidelines and Limitations 134
Configuring vPCs 135
Enabling vPCs 135
Disabling vPCs 135
Creating a vPC Domain 136
Configuring a vPC Keepalive Link 137
Creating a vPC Peer Link 138
Checking the Configuration Compatibility 138
Creating an EtherChannel Host Interface 139
Moving Other EtherChannels into a vPC 140
Manually Configuring a vPC Domain MAC Address 141
Manually Configuring the System Priority 142
Manually Configuring a vPC Peer Switch Role 143
Verifying the vPC Configuration 144
vPC Example Configurations 145
Dual Homed Fabric Extender vPC Configuration Example 145
Single Homed Fabric Extender vPC Configuration Example 146
vPC Default Settings 148
Configuring Rapid PVST+ 149
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
x OL-16597-01
Contents