Cisco CRS-1/8 to CRS-3/8 upgrade

Unanswered Question
Sep 27th, 2010

Hi Folks,

has any body done CRS-1/8 to CRS-3/8 upgrade smoothly ? from the CCO I could find only that it needs IOS-XR 4.0 and Fabric Upgrade.

just want to make  sure these are the only two actions to perform to make CRS-1 to CRS-3,

my upgrading procedure will be as follows

1. Upgrade the code to IOS-XR 4.0 with CRS-1 fabric.

2. once the router is loaded with 4.0, replace Fabric cards one by one.

Need your comments.

Rgds

Harin

I have this problem too.
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Giuseppe Larosa Tue, 09/28/2010 - 09:54

Hello Harin,

your procedure looks like reasonable, various rommon firmware upgrades should be part of first step as necessary.

Hope to help

Giuseppe

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