Remove a Member From a Dell Switch Stack

If you ever have to permanently remove a switch from a Dell switch stack, here are the steps.

A quick show switch stack-ports will display the ports configured for stacking or the dedicated stacking ports, depends on the switch model.

console#show switch stack-ports

                 Configured  Running
                   Stack      Stack      Link       Link
   Interface       Mode       Mode       Status     Speed (Gb/s)
---------------- ---------- ---------- ------------ ------------
Te1/2/1          Stack      Stack      Link Up      16
Te1/2/2          Stack      Stack      Link Up      16
Te2/2/1          Stack      Stack      Link Up      16
Te2/2/2          Stack      Stack      Link Up      16

To get the state of the stack before the remove use show switch command

console#show switch

    Management Standby   Preconfig     Plugged-in    Switch        Code
SW  Status     Status    Model ID      Model ID      Status        Version
--- ---------- --------- ------------- ------------- ------------- -----------
1   Mgmt Sw              PCT7024       PCT7024       OK            5.1.10.1
2   Stack Mbr  Oper Stby PCT7024       PCT7024       OK            5.1.10.1

Now we power off the member 2 switch. Once powered off, the Switch Status will change from OK to Not Present.

console#show switch

    Management Standby   Preconfig     Plugged-in    Switch        Code
SW  Status     Status    Model ID      Model ID      Status        Version
--- ---------- --------- ------------- ------------- ------------- -----------
1   Mgmt Sw              PCT7024       PCT7024       OK            5.1.10.1
2   Unassigned           PCT7024                     Not Present   0.0.0.0

Note that the switch has only been physically removed from the stack. It’s powered off in the rack, with the stacking cables removed. The switch will still have to be logically removed from the stack.

console#configure
console(config)#stack
console(config-stack)#no member 2
console(config-stack)#exit
console(config)#show switch

    Management Standby   Preconfig     Plugged-in    Switch        Code
SW  Status     Status    Model ID      Model ID      Status        Version
--- ---------- --------- ------------- ------------- ------------- -----------
1   Mgmt Sw              PCT7024       PCT7024       OK            5.1.10.1

The switch member 2 has been removed from the switch stack. Joining the switch back is as easy as connecting the stacking cables and turning on the switch.

Or reset the configuration to the factory default. The switch might have the configuration that it had before it was part of the stack, most likely a factory default configuration, but not always, so I would verify the configuration before placing it back in to production.

Note: Some switches have front user ports set to stacking. If for some reason you want to change these to ethernet ports, you will have to reload the switch to accomplish that.

Jul 12th, 2016 • Posted in Dell, Switching
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