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Po1 connects to the DNS/NTP server, Po100 connects to the SFS leaf switches, and Po1000 is the peer link. The show port-channel summary command confirms port channels are up. The output for N9K-External-B is similar. Note: The command output shown in the following commands is for the N9K-External-A switch. VLT Unit ID Port-Channel Status Configured ports Active portsĢ port-channel1 up 2 2 Show command output on N9K-External-A

In this case, Leaf1A is VLT unit 1, and Leaf1B is VLT unit 2. An asterisk (*) denotes the local switch. The output shows information for both VLT peer switches. Port channel 1 is the L2 uplink to the Nexus switches. Use the show vlt 255 vlt-port-detail command to verify the status of VLT ports. VLAN 3939: port-channel1000, ethernet1/1/1, ethernet1/1/2, ethernet1/1/3ĭescription: Default untagged network for client onboarding VLAN 1811: port-channel1, port-channel1000ĭescription: In-band SmartFabric Services discovery network This is verified at the CLI using the show virtual-network command as follows: Leaf1A# show virtual-networkĬodes: DP - MAC-learn Dataplane, CP - MAC-learn Controlplane, UUD - Unknown-Unicast-Drop The L2 uplink, port channel 1 in this example, is a tagged member of VLAN 1811. U - Up (port-channel) F - Fallback Activated Leaf1A# show port-channel summaryįlags: D - Down I - member up but inactive P - member up and active Port channel 1000 is reserved for the VLTi. It has two members that are both up and active. In this example, port channel 1 is the uplink connected to the Nexus switches. With SFS, port channel numbers are automatically assigned as they are created. Note: The command output shown in the following commands is for Leaf1A. Once the uplink interfaces have been configured in the SFS UI and on the external Nexus switches, connectivity can be verified using the switch CLI. When the configuration is complete, exit configuration mode and save the configuration with the end and copy running-config startup-config commands. Port-channel 1 is set as an LACP port-channel with the channel-group 1 mode active command. In this example, interface 1/1 on each external switch is configured in vPC 1 for connections to the DNS/NTP server. Optionally, allow the forwarding of jumbo frames with the mtu 9216 command. Allow VLAN 1811 (the External Management VLAN). Use the switchport mode trunk command to enable the port-channel to carry traffic for multiple VLANs.

Port-channel 100 is set as an LACP port-channel with the channel-group 100 mode active command. Interfaces 1/49 and 1/50 are configured in vPC 100 in this example. Configure the interfaces for connections to the SFS leaf switches.