09-11-2008 03:34 AM - edited 03-03-2019 11:30 PM
I want to use shelf spare 6500 modules in my 7600 chassis. Can I do it?
Thanks!
Matt
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09-11-2008 04:08 AM
Hello Matthew,
for linecards with a DFC submodule the DFC model must be the same as that of the main cpu for example you need DFC 3B if you have SUP 720 3B.
some linecards have older DFC and cannot be upgraded to DFC 3, DFC 3B, DFC 3BXL, DFC 3CXL and so on these modules can be a problem.
Hope to help
Giuseppe
09-11-2008 04:01 AM
what is the model number of the part ??
09-11-2008 04:08 AM
Hello Matthew,
for linecards with a DFC submodule the DFC model must be the same as that of the main cpu for example you need DFC 3B if you have SUP 720 3B.
some linecards have older DFC and cannot be upgraded to DFC 3, DFC 3B, DFC 3BXL, DFC 3CXL and so on these modules can be a problem.
Hope to help
Giuseppe
09-11-2008 09:46 AM
for linecards with a DFC submodule the DFC model must be the same as that of the main cpu for example you need DFC 3B if you have SUP 720 3B.
Giuseppe,
I'm afraid I have to disagree on this one.
Let's take the 6708-10GE data sheet for example:
Supervisor Engines Supported:
Virtual Switching Supervisor Engine 720-10G or Supervisor Engine 720 with any PFC (chassis will work in lowest common denominator mode)
I go with Jerry on this one. The answer depends on each module in question. Best to hit cisco.com and verify the module's data sheet for hardware support.
__
Edison.
09-11-2008 12:48 PM
Hello Edison,
thanks for your correction.
the sentence should be rewritten as:
for optimal performance the DFC submodule should match the PFC type.
Actually I have this linecard installed on several chassis with 720 3B and it provides a warning that its DFC 3C is more advanced then the PFC but it will work at the current system performance.
However, on sup 720 chassis DFC less then DFC3 are not accepted we had a case recently in production network and also a thread in the forum I think.
Best Regards
Giuseppe
09-12-2008 12:07 AM
Edison,
I need your advise on something i am doing. How can i conact you?
Thanks.
Francisco.
09-11-2008 05:23 AM
It depends on the IOS version and type of line card.
HTH,
jerry
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