Configuration Parameters That Should Be Identical - Cisco AP775A - Nexus Converged Network Switch 5010 Configuration Manual

Configuration Parameters That Should Be Identical

• STP region configuration for Multiple Spanning Tree (MST)
• Enable or disable state per VLAN
• STP global settings:
• STP interface settings:
• Maximum Transmission Unit (MTU)
• Quality of Service global settings
• For the Fabric Extender vPC topology, all the interface level parameters mentioned above should be
• Fabric Extender FEX number configured on an EtherChannel fabric interface; for the Fabric Extender
If any of these parameters are not enabled or defined on either switch, the vPC consistency check ignores
those parameters.
To ensure that none of the vPC interfaces are in the suspend mode, enter the show vpc brief and show
Note
vpc consistency-parameters commands and check the syslog messages.
Configuration Parameters That Should Be Identical
When any of the following parameters are not configured identically on both vPC peer switches, a
misconfiguration may cause undesirable behavior in the traffic flow:
• MAC aging timers
• Static MAC entries
• VLAN interface—Each switch on the end of the vPC peer link must have a VLAN interface configured
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◦ Bridge Assurance setting
◦ Port type setting—We recommend that you set all vPC interfaces as network ports
◦ Loop Guard settings
◦ Port type setting
◦ Loop Guard
◦ Root Guard
◦ System QoS policy
◦ System Network-QoS policy
◦ System Input Queuing policy
◦ System Output Queuing policy
identically configured for host interface from both the switches.
vPC toplogy.
for the same VLAN on both ends and they must be in the same administrative and operational mode.
Those VLANs configured on only one switch of the peer link do not pass traffic using the vPC or peer
Information About vPCs
OL-16597-01