Replacing older boards in 8810 with C series

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Hi, I've got an 8810 chassis that is being upgraded from MSM-G8X --> MSM-48C and G48T--> G48Tc blades.  As well as G24X--> G24Xc.  I found a nice guide explaining the upgrade process for the MSM-48C in the release notes, but I'm not sure about the other G48T/G24X blades.  I'm trying to make sure I don't lose the config on the slot and just upgrade the boards like for like.  I'm assuming there's more too it than just swapping the blades out.  I know i'll need to configure the slot type, but want to make sure that doesn't wipe the config on the existing ports.
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David Gibb

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Posted 4 years ago

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Sumit Tokle, Alum

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You will not loose configuration while replacing the I/O blade.
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David Gibb

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Thanks for the quick reply.  That's what I was hoping to hear!
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Stephane Grosjean

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Hi,

I'm not so sure.
In my experience you will lose the config if you change the blade type (you'll have a mismatch error and the blade won't boot up until you do a clear slot, which will erase the config). One way to avoid that situation is to download your config and manually change the blade reference for each slot in that config file. Then you can change the blades, reload the modified config, and reboot.

Rgds,
Stephane
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David Gibb

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You are correct.  I ended up saving the config as a script file.  Editing the blade model numbers and setting it to the default.xsf script file.  Blew away the config before installing the new blades and when it came up with the new blades the configuration took successfully.