It should work (tm), but generally I believe it is best practice to create a VC on two unused switches but in your case if you have one in production you may not have options. You could confirm with JTAC to get the best official answer.
As mentioned in several other threads you should also disable split detection if the VC has only two chassis. http://www.juniper.net/techpubs/en_US/junos/topics/reference/configuration-statement/no-split-detection-edit-virtual-chassis.html virtual-chassis { no-split-detection; member 0 { mastership-priority 255; } member 1 { mastership-priority 255; } } Aslo if you are making use of the out of band management juniper recommends to make use of vme http://kb.juniper.net/InfoCenter/index?page=content&id=KB11044 Regards, Darius On Tue, Nov 13, 2012 at 4:26 PM, Rachid DHOU <[email protected]> wrote: > Hi Experts, > > If i have a single EX4200 switch and i want to add a new EX4200 switch to > it using Virtual chassis capability. > > i want to let the old switch as a master and the new one as backup. > i will keep new switch OFF. > > on the old switch : > > set member 0 mastership-priority 255 > set member 1 mastership-priority 255 > > reload new switch. > > shall i need to reboot also the old switch ? > did i forget something to create the Virtual Chassis ? > > > *Kind regards,* > *Rachid DHOU* > _______________________________________________ > juniper-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/juniper-nsp _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
