[c-nsp] any way to identify DFC on my 6500 linecards?

[David Sinn]

No, the box default to lowest-common-denominator so the system in  
question is really in PFC3A mode.  Since in my box I have a DFC3A in  
the first slot, the Sup (slot 5) downgrades it's performance when it  
boots:

*May 12 17:52:50.593 UTC: %OIR-SP-6-DOWNGRADE_EARL: Module 5 PFC  
installed is not identical to system PFC and will perform at current  
system operating mode.

Also, you should note that in some circumstances the Sup will not  
power on a card that had a lower DFC then the system PFC is....  I  
have not pursued all of the why's and where-fore's around this (maybe  
Ian can comment), but I have found that inserting a card after the  
chassis with a PFC3BXL in it has booted resulted in the DFC3A card  
remaining powered down.  I have yet to see this when I've cleanly  
rebooted a box, only inserting a card after the chassis has been up  
and running.

So the safest mode you can run in is with the same DFC's as you have  
for your PFC!  :)

David

On May 11, 2005, at 9:47 PM, Ram S wrote:

> David,
> So in your case, does the system operates with
> PFC3BXL capability. I am asking this becos some cards
> have DFC3A whereas SUP has PFC3BXL
>
> Thanks,
> Ram.
>
>
>
> --- David Sinn <dsinn at dsinn.com> wrote:
>
>> The output of a show module will tell you what
>> module you have on
>> each line card:
>>
>> Mod Sub-Module                  Model
>> Serial
>> Hw     Status
>> --- --------------------------- ------------------
>> ------------
>> ------- -------
>>    1 Distributed Forwarding Card WS-F6700-DFC3A
>> -----------
>> 2.0    Ok
>>    2 Distributed Forwarding Card WS-F6700-DFC3A
>> -----------
>> 2.0    Ok
>>    3 Distributed Forwarding Card WS-F6700-DFC3A
>> -----------
>> 2.0    Ok
>>    5 Policy Feature Card 3       WS-F6K-PFC3BXL
>> -----------
>> 1.3    Ok
>>    5 MSFC3 Daughterboard         WS-SUP720
>> -----------
>> 2.1    Ok
>>
>> So the above box has a Sup720 with PFC3BXL, but the
>> LC's have DFC3A's...
>>
>> Mod Sub-Module                  Model
>> Serial
>> Hw     Status
>> --- --------------------------- ------------------
>> ------------
>> ------- -------
>>    1 Distributed Forwarding Card WS-F6700-DFC3B
>> -----------
>> 2.0    Ok
>>    5 Policy Feature Card 3       WS-F6K-PFC3B
>> -----------
>> 2.0    Ok
>>    5 MSFC3 Daughterboard         WS-SUP720
>> -----------
>> 2.3    Ok
>>    8 Distributed Forwarding Card WS-F6700-DFC3B
>> -----------
>> 2.0    Ok
>>
>> Things are a bit better on this box... ;)
>>
>> David
>>
>> On May 11, 2005, at 1:48 PM, Mark Boolootian wrote:
>>
>>
>>>
>>> While reading release notes for 12.2SX, I
>>>
>> discovered that the
>>
>>> sup720 PFC3BXL
>>> operation is dependent on the linecard DFCs.  To
>>>
>> wit,
>>
>>>
>>>   DFC3A-equipped modules => the PFC3BXL functions
>>>
>> as a PFC3A.
>>
>>>   DFC3B-equipped modules => the PFC3BXL functions
>>>
>> as a PFC3B.
>>
>>>   DFC3BXL-equipped modules => the PFC3BXL
>>>
>> functions as a PFC3BXL.
>>
>>>
>>> Is there any way to determine what DFC a linecard
>>>
>> has from the command
>>
>>> line?  The command 'show platform hardware pfc
>>>
>> mode' says:
>>
>>>
>>>   PFC operating mode : PFC3BXL
>>>
>>> which leads me to believe I must have DFC3BXLs.
>>>
>>> Many thanks in advance for all clue,
>>> mb
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>>>
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>>>
>>>
>>
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>
>
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