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install a 2nd supervisor on Cisco 6509

Posted on 2014-12-08
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Last Modified: 2015-07-02
I would like to know the process in installing a 2nd supervisor card to the 6509. From my understanding, I should use SSO. But I am not sure what the steps are to get the 2nd card up and running. Do I just plug it in and it will just synchronize and magically work with he 1st card? Also, will a 5 hours maintenance window be sufficient? Thanks
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Question by:leblanc
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Don Johnston earned 2000 total points
ID: 40487885
IIR "mode SSO" is the default with two supervisors. So all you have to do is plug it in.  Worst case scenario is you mode have to enter the command.

5 hours is more than sufficient.

http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SXF/native/configuration/guide/swcg/nsfsso.html#wp1105901
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by:leblanc
ID: 40495053
From my understanding, the second card has to have the same IOS as the first one. Correct?
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by:Don Johnston
ID: 40495066
Yes.
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by:leblanc
ID: 40495304
I believe my 2nd card does not have the same IOS. I am just wondering if it will work if I plug it in slot 1 and do the upgrade, then plug it in slot 6.
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by:Don Johnston
Don Johnston earned 2000 total points
ID: 40495316
What slot you put the supervisor in is dependent on the model of supervisor.  Sup 2's can go in slot 1 or 2.  All others have to go in 5 or 6.

This will walk you through insuring the two supervisors have the same IOS version.
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by:leblanc
ID: 40495323
I have  a 6509 and my 1st card is in slot 5. So it looks from your link that I can plug my 2nd card to slot 6 and do the IOS upgrade, then test the redundancy.
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Expert Comment

by:Don Johnston
ID: 40495331
Yep.
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by:leblanc
ID: 40495334
Actually, from the tutorial, the 2 cards already have the same IOS. It looks like it is an IOS upgrade for both cards.
I am just wondering what will happen if I plug in my second card with different IOS in slot 6.
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by:Don Johnston
Don Johnston earned 2000 total points
ID: 40495351
Doesn't matter.  When you insert the 2nd sup, it will not be active.  You then upgrade the IOS to match the existing sup then reset it.
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Author Comment

by:leblanc
ID: 40495378
Great. I will try it once I get the 2nd card. Thanks
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Expert Comment

by:Deepak Muralidharan
ID: 40863963
One way to avoid IOS mismatch would be the following,
 
1. Insert the new SUP into the slot 7 (assuming that ur existing sup is in slot 6)
2. Allow the sup to boot up as standby sup
3. From console/telnet/ssh session  copy the IOS from the existing sup to the standby   sup
 
copy disk0:\ <IOS name > slavedisk0:\
(replace the disk0 location to sup boot disk as per available space )
 
4. Once copy is completed issue the following command to see any boot statements
 
sh run | in boot
 
5. If you see any boot statements pointing to the disk0 as below hit "write"
 
   boot system disk0:/ <ios name>
 
6. When you write the config will be synced to the standby sup. This will make sure that the new standby sup will come with the copied IOS after reload.
 
7. issue the command " hw-module module 7 reset " which will reset the sup and it will now come up with the same IOS that you have in the existing sup.
 
8. Issue a write again and then issue "redundancy force switchover"  which will make the new sup the active one and the earlier one standby
 
9. remove the old supervisor which will make the new sup the only active sup in your system.
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