API Guide

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3. Configure the unit ID for the service tag (provision name) of the Fabric Expander in CONFIGURATION mode.
OS10(config)# unit-provision node/unit-id provision_name
● node/unit-id — Enter 1 for node with an unassigned unit ID from the show unit-provision output.
● provision_name — Enter the service tag of the Fabric Expander from the Service-tag field in the show
discovered-expanders output.
4. Verify the discovered Fabric Expander and its virtual slot ID in EXEC mode.
OS10# show discovered-expanders
Service-tag Model Type Chassis-service-tag Chassis-slot Port-group Virtual-
Slot-Id
--------------------------------------------------------------------------------------
----
403RPK2 MX7116n Fabric 1 SKY003Q A2 port-group1/1/2
71
Expander Module
When the Fabric Switching Engine discovers the Fabric Expander, it creates virtual ports by mapping each 8x25GE FEM
breakout interface in port groups 1 to 9 to a Fabric Expander virtual port.
Table 51. Example: Fabric Expander virtual port mapping
Fabric Expander
service tag
Fabric Engine
QSFP28-DD port
group
Fabric Engine
QSFP28-DD 8x25GE
interfaces
Fabric Expander
assigned unit ID
(virtual slot)
Fabric Expander
virtual ports
403RPK2 1/1/1 1/1/17:1 71 1/71/1
1/1/17:2 1/71/2
1/1/17:3 1/71/3
1/1/17:4 1/71/4
1/1/18:1 1/71/5
1/1/18:2 1/71/6
1/1/18:3 1/71/7
1/1/18:4 1/71/8
NOTE: In the show interface status output, the Fabric Switching Engine 8x25GE interfaces that map to Fabric
Expander virtual ports display as dormant.
OS10# show interface status
---------------------------------------------------------------------------------
Port Description Status Speed Duplex Mode Vlan Tagged-Vlans
---------------------------------------------------------------------------------
...
Eth 1/1/17:1 dormant
Eth 1/1/17:2 dormant
Eth 1/1/17:3 dormant
Eth 1/1/17:4 dormant
Eth 1/1/18:1 dormant
Eth 1/1/18:2 dormant
Eth 1/1/18:3 dormant
PowerEdge MX Ethernet I/O modules 317