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Switch validation
35 Dell EMC Networking OS9 Switch Configuration Guide for VxRail 4.5
8 Switch validation
After switches are configured and devices are connected, the switch CLI is used to validate the network
configuration. This section provides a list of the most common commands and their output for the examples
used in this guide.
8.1 General validation commands
The commands and output shown below are for S5048F-Leaf1A in the dual switch with VLT topology. The
output of its peer, S5048F-Leaf1B, is similar. If the dual switch without VLT or single switch topologies are
used, notes are added where differences exist.
Note: For additional commands and output related to the leaf-spine portion of the topology, such as BGP and
Uplink Failure Detection (UFD), see the Dell EMC Leaf-Spine Deployment and Best Practices Guide.
8.1.1 show interfaces status
The show interfaces status | grep Up command is used to verify required interfaces are up, and
links are established at their appropriate speeds.
S5048F-Leaf1A#show interfaces status | grep Up
Tf 1/9 JumpBox_DNS Up 10000 Mbit Full 1611
Tf 1/17 Node1_Port1 Up 25000 Mbit Full 1611-1615
Tf 1/18 Node2_Port1 Up 25000 Mbit Full 1611-1615
Tf 1/19 Node3_Port1 Up 25000 Mbit Full 1611-1615
Tf 1/20 Node4_Port1 Up 25000 Mbit Full 1611-1615
Hu 1/53 VLTi Up 100000 Mbit Full --
Hu 1/54 VLTi Up 100000 Mbit Full --
Note: For the dual switch without VLT topology, the output is identical to the above except for the description
of ports 1/53-54. For the single switch topology, the output includes all eight node ports, and ports 1/53-54 are
not used.
8.1.2 show interfaces port-channel brief
The show interfaces port-channel brief command is used to view port channel numbers,
interfaces used, and status. In this example, LAG 127 is the VLTi connecting the two leaf switches.
S5048F-Leaf1A#show interfaces port-channel brief
Codes: L - LACP Port-channel
O - OpenFlow Controller Port-channel
A - Auto Port-channel
I - Internally Lagged
LAG Mode Status Uptime Ports
127 L2 up 00:00:50 Hu 1/53 (Up)
Hu 1/54 (Up)