Lucien Avramov Thu, 08/20/2009 - 07:08
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Definitely, you need to schedule a maintenance window, this is a major change.


The best way for you to upgrade the IOS is to have the standby chassis upgraded first and once it is completely done shift the traffic to this chassis. Upgrade the other chassis afterwards the same way as was done on the other chassis.


http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/catos/5.x/configuration/guide/redund.html


http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/catos/5.x/configuration/guide/redund.html

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