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Old 07-17-2013, 06:17 AM
baile58 baile58 is offline
Join Date: May 2013
Posts: 3
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I answer my own thread. Yes, it is possible to stack both Avaya and Nortel switches. But they must be at the same software and diagnostic versions. Like others have pointed out, it's much easier to downgrade the new switch before adding it to the stack. The downgrade is the same procedure as the upgrade - software first, diagnostics second.

I ended up buying 2 Avaya switches - I added 1 about 4 weeks ago. It is number 6 in the switch stack and has been running clean since I downgraded and plugged it in.
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