Managing The Standby Unit; Command-Line Interface Method - Dell Networking N4032 Configuration Manual

3

Managing the standby unit

If the Master unit fails or is taken offline, a Standby unit automatically takes place as Master. During this
time there is no
The commands below are used to manage your Standy unit.
3.1.1

Command-line interface method

To find out which unit is currently in Standby status, run the show switch command.
console#show switch
Management Standby
SW Status
--- ---------- --------- ------------- ------------- ------------- -------
1 Mgmt Sw
2 Stack Mbr
3 Stack Mbr
Standby Status
The
Stby and Cfg Stby
administrator decides to select a different unit to be Standby, then it is labeled
modes work identically.
In this example, unit 2 is the stack standby for the Master unit. To change the standby to a different unit,
use the standby x command. Verify the change with the show switch command.
console(config-stack)#standby 3
console#show switch
SW
--- ---------- --------- ------------- ------------- ----------- -------
1
2
3
This method cannot be used to assign the current Stack Master to the Standby role and results in an error.
In the event there is a need to change the role of the Master or make the Standby the Master, use the
initiate failover command from the Command Line Interface. This command results in a warm
restart of the stack Master, triggering the Standby unit to take over as a new Master switch.
55 Stacking Dell Networking Switches: N4032, N4032F, N4064, N4064F
more than a 50 ms interruption in unicast connectivity.
Status
Oper Stby N4064
column shows which unit is in Standby mode. There are two standby modes:
. Oper Stby is selected automatically by the Master during stack creation. If the
Management Standby
Status Status
Mgmt Sw
Stack Mbr
Stack Mbr Oper Stby N4032F
Preconfig Plugged-in
Model ID Model ID
N4032 N4032
N4064
N4032F N4032F
Preconfig Plugged-in
Model ID Model ID
N4032 N4032
N4064 N4064
N4032F
Switch Code
Status Version
OK 6.0.1.3
OK 6.0.1.3
OK 6.0.1.3
Cfg
Stby. Both Standby
Switch Code
Status Version
OK 6.0.1.3
OK 6.0.1.3
OK 6.0.1.3
Oper