07-24-2015 07:19 PM - edited 03-08-2019 01:06 AM
I'm looking for info on replacing a failed sup720-3b module that was in standby. I'm presuming the IOS will have to be loaded prior to installing or would redundancy SSO sync the active config & operating system across once the new card goes in?
07-24-2015 08:00 PM
You would need to load the same exact IOS as the primary in the new sup. The SSO sync is only used to sync the config and not the IOS image.
HTH
07-24-2015 08:28 PM
Reza,
Hi and thanks for the confirmation..
Phil
07-24-2015 08:08 PM
1. Slide in the new ios
2. It may boot as standby cold as it may not have the same IOS as primary
3. Copy the IOS from primary bootflash/sup-bootdisk to the new standby
copy bootflash: slavebootflash:
4. Ensure you have the correct bootvariable
sh run | i boot
5. Reload the new standby sup
hw-module module <slot number for standby sup> reset
or
redundancy reload peer
Hope this helps
Madhu
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07-24-2015 08:08 PM
Correction for line 1. Slide in the new sup
07-24-2015 08:13 PM
Hi Madhu, Thanks for replying.. I take it there would be no problem inserting a new card with a potentially newer ios code than the current active sup. IE the current Sup won't try and take the new IOS level from the new standby card
07-24-2015 08:32 PM
No, you can safely slide in the new standby card. It won't try to fetch IOS from primary and also vice versa.
Thanks,
Madhu
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07-24-2015 08:51 PM
ok ta. One last question.... The checks on the boot variable. sh run | inc boot
do we do that one the new or old card? I presume its the active sup and as long as the image is on the slavebootflash: we should be ok
07-24-2015 08:53 PM
You got that right Phil.
07-24-2015 10:52 PM
Let us know the result of it.
Madhu
07-24-2015 08:17 PM
Hi Thanks for the quick response. I guess we can just copy the active bootflash to the slave bootflash once the new card is installed?
07-24-2015 08:22 PM
Yes you can once the standby card comes up
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