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Joined: May 2013
Posts: 6
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Joined: May 2013
Posts: 6
How do you upgrade the software and/or firmware of an Avaya 3500 series switch? I was just given one that is in 5.0 release. Can I go straight to 5.3 or is there an upgrade path, plus how do you upgrade.

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Joined: Jul 2001
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Moderator-Avaya-Lucent, Antique Tele
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https://downloads.avaya.com/css/P8/documents/101018043
This document has all of the information on upgrading, which is pretty complicated to go into in a forum. You will need to put a TFTP server on a PC and connect the switch to it to upload the new firmware and use the CLI to initiate the upgrade.

Joined: May 2002
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Moderator-Avaya, Polycom
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Hardly worth the effort. Did it once, never again.


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