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Author Topic: Nortel 4548GT-PWR switch will not upgrade  (Read 4440 times)

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Offline Northof9

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Nortel 4548GT-PWR switch will not upgrade
« on: June 03, 2013, 09:31:00 AM »
Trying to upgrade some legacy Nortel 4548GT-PWR switches that are in stand alone closet deployments. When I successfully TFTP the diagnostic image to them I get the following message:
"software download not supported on this stack configuration"
They are NOT in a stack configuration. They are individual switches.
I am trying to go from 5.3.0.3 to 5.6.2.01 and 5.6.1.052 to 5.6.2.026 respectively.
I do not see any reference in the upgrade documentation or on your blog to this specific message.
Any thoughts are appreciated.


Offline Flintstone

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Re: Nortel 4548GT-PWR switch will not upgrade
« Reply #1 on: June 03, 2013, 10:25:27 AM »
Hi Northof9,

Double check with the release notes that your upgrade path is correct?

CheerZ

Offline Johan Witters

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Re: Nortel 4548GT-PWR switch will not upgrade
« Reply #2 on: June 03, 2013, 10:26:19 AM »
I think you are trying to upload the files intended for the 4800 series switches.

For a legacy 4548GT-PWR (so non PWR+) you should use 4500_5303_diag.bin and agent 4000_562026.img.
Kind regards,

Johan Witters

Network Engineer
BKM NV

Offline Telair

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Re: Nortel 4548GT-PWR switch will not upgrade
« Reply #3 on: June 03, 2013, 03:55:20 PM »
To upgrade to v5.6.2 directly from v5.3.0 is allowed as long as you upload the "4500_5303_diag.bin" first.  This is required as the newer code is larger than previous releases and the flash memory file structure gets changed.  So from what I am reading, upgrade the diagnostic image first, reboot, then upgrade the software image with "4000_562026.img" and reboot. 

Offline Northof9

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Re: Nortel 4548GT-PWR switch will not upgrade
« Reply #4 on: June 07, 2013, 02:06:21 PM »
I think you are trying to upload the files intended for the 4800 series switches.

For a legacy 4548GT-PWR (so non PWR+) you should use 4500_5303_diag.bin and agent 4000_562026.img.
To upgrade to v5.6.2 directly from v5.3.0 is allowed as long as you upload the "4500_5303_diag.bin" first.  This is required as the newer code is larger than previous releases and the flash memory file structure gets changed.  So from what I am reading, upgrade the diagnostic image first, reboot, then upgrade the software image with "4000_562026.img" and reboot. 

Thank you for the suggestion and I apologize about being tardy on getting back to you. I do always follow the diagnostic file upgrade first and I am at 5.3.0 already. I will try the newer software image without going to 5.6.2 first though.