Swapping modules on 6509-E

Answered Question

We are swapping some modules on a 6509-E. Currently there is on SUP-720 and I am putting in two SUP-720-3B's. I've preconfigured the 3B's in a separate 6509-E so I should just be able to swap them out. As far as configuration of other modules, there are 3 WS-X6748-GE-TX modules in the production 6509-E using the SUP-720. If I put in 3 WS-X6548-GE-TX modules in the extra 6509-E chassis running the two 720-3B's and mirror the configuration of the production WS-X6748-GE-TX modules, will the configuration exist when I swap the SUP cards?

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Correct Answer by Jon Marshall about 7 years 9 months ago

Depends a lot on what configuration you have under the interfaces. If it is just vlan allocation, portfast, speed/duplex etc.. then yes it should work. If you also doing QOS config for example though there will be differences between the 2 modules.

Jon

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Leo Laohoo Wed, 03/04/2009 - 13:21

Depending on your configuration of the old Sup720.

How about copying the OLD Sup720 config into the compact flash and bringing across to the 3B and see if the 3B would throw some errors?

Correct Answer
Jon Marshall Wed, 03/04/2009 - 13:31

Depends a lot on what configuration you have under the interfaces. If it is just vlan allocation, portfast, speed/duplex etc.. then yes it should work. If you also doing QOS config for example though there will be differences between the 2 modules.

Jon

They are just trunk ports, most are in port channels but there is minimal QoS going on. Example of a common port:

no ip address

mls qos trust cos

switchport

switchport trunk encapsulation dot1q

switchport trunk native vlan ...

switchport trunk allowed vlan ...

switchport mode trunk

channel-group x mode on

Pretty straight forward. I'm just not sure if a module with a different part number would be defaulted to original settings. The commands on each port are compatible with each module.

Jon Marshall Wed, 03/04/2009 - 14:11

"I'm just not sure if a module with a different part number would be defaulted to original settings"

I'm not aware of anything like that. As long as the config references the equivalent gigabit ports ie. the 6548 modules were in the same slots as the 6748 modules i can't see why it wouldn't work.

Jon

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