Dell Powerconnect 8164f Manual

Stacking Dell PowerConnect Switches: 8132, 8132F, 8164, 8164F 
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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 more than a 50 ms interruption in unicast connectivity.   
The commands below are used to manage your Standy unit. 
Command-line interface method 
To find out which unit is currently in Standby status, run the show switch command. 
 
console#show switch 
 
    Management Standby...

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Would you like to save them now? (y/n) y 
 
Configuration Saved!   Management unit will be reloaded. 
Are you sure you want to failover to the backup unit? (y/n) y 
 
If using the CLI through the console port, the session will no longer be valid.  The console port on the 
new Master switch will now be activated for management.  The IP and MAC addresses of the stack will 
remain the same with the new Master.  If using a telnet session,...

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Select the Switch ID to be assigned as the Standby.  Use the Unit Type drop-down menu and select 
Configured Standby.   
 Note:  Assigning the current Stack Master to the Standby role is not allowed using this method 
and results in an error.  Instead, use the initiate failover method described below. 
Click Apply.  Copying the running-configuration to the startup-configuration is not required.  This 
setting will be persistent after...

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If 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.  
console(config)#stack 
 
console(config-stack)#initiate failover 
 
The system has unsaved changes. 
Would you like to save them now? (y/n) y 
 
Configuration...

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Appendix A – Commands used in this document 
 
All CLI commands used in this document, along with a brief description, are listed below in order of 
appearance.  Some commands are used multiple times in the document. 
 
Command Definition 
show run Shows running configuration 
show switch Shows all stack members and roles 
show system Shows MAC address 
hardware profile portmode 4x10g (from config-if) Changes a QSFP+ port to 4x10G 
boot...