[c-nsp] DFC3C-XL refuses to operate in XL mode

[Dimitris Befas]

Hi Jiri,

Remove the cfc modules from the chassis. No matter if they are admin shut.
On Jul 30, 2014 1:35 PM, "Jiri Prochazka" <jiri.prochazka at superhosting.cz>
wrote:

> Hi,
>
> I am afraid this would not help. I am aware of two CFC modules on two
> linecards, but as you can see, all cards except RSP720 and one 6704 are
> powered down (manually).
>
> Even if they would not be, the chassis should operate in 3CLX mode, not
> 3C. 3CXL is the lowest demoninator of DFC's in the chassis.
>
> Jiri
>
> On July 30, 2014 12:13:50 PM CEST, Dimitris Befas <
> dimitris.befas at gmail.com> wrote:
>>
>> You cannot get an PFC3CXL mode when combining CFC and PFC sub-modules.
>> The PFC capability is per module, but the PFC mode is a chassis function.
>>
>> For your specific hardware config, you will accomplish a PFC3CXL mode
>> only if you remove slots 3 and 5 or if you replace their sub-modules with
>> DFC3CXL.
>>
>> Dimitris
>> On Jul 30, 2014 12:39 PM, "Jiri Prochazka" <
>> jiri.prochazka at superhosting.cz> wrote:
>>
>>> Hi,
>>>
>>> I am building a new 7606S chassis, with RSP720-3CXL (12.2(33)SRE10) and
>>> a few X6704-10GE linecards.
>>>
>>> Most of 6704-10GE cards are equipped with DFC3C-XL modules.
>>>
>>> The problem is that two DFC3C-XL modules are unwilling to operate in
>>> 3C-XL mode. Both DFC's are from different sources, so I highly doubt both
>>> are faulty the same way.
>>>
>>> But both show the same symptoms. Although they are 3C-XL versions, they
>>> work as 3C only..which degrades PFC operating mode of the whole chassis to
>>> PFC3C. As soon as I swap DFC on respective 6704 card to some other piece,
>>> it works OK.
>>>
>>> What confuses me the most is this log record ->
>>>
>>> *Feb 25 02:15:11.324: %OIR-SP-6-DOWNGRADE_EARL: Module 6 PFC installed
>>> is not identical to system PFC and will perform at current system operating
>>> mode.
>>>
>>>
>>> WS-X6704-10GE with WS-F6700-DFC3CXL is in the SLOT 4. RSP720-3CXL-GE
>>> with 7600-PFC3CXL is in the SLOT 6.
>>>
>>> Why is the switch complaining that PFC in slot6 (Supervisor) is not
>>> identical to system PFC (Supervisor?)?
>>>
>>>
>>> 7606S-lab#show module
>>> Mod Ports Card Type                              Model Serial No.
>>> --- ----- -------------------------------------- ------------------
>>> -----------
>>>   1    4  CEF720 4 port 10-Gigabit Ethernet      WS-X6704-10GE
>>> SAL1552ZWUQ
>>>   2    4  CEF720 4 port 10-Gigabit Ethernet      WS-X6704-10GE
>>> SAL1545UJY7
>>>   3    4  CEF720 4 port 10-Gigabit Ethernet      WS-X6704-10GE
>>> SAL1234173T
>>>   4    4  CEF720 4 port 10-Gigabit Ethernet      WS-X6704-10GE
>>> SAL16020J6H
>>>   5   48  CEF720 48 port 10/100/1000mb Ethernet  WS-X6748-GE-TX
>>> SAL10019Q21
>>>   6    2  Route Switch Processor 720 (Active)    RSP720-3CXL-GE
>>> SAL1538QMQX
>>>
>>> Mod MAC addresses                       Hw    Fw           Sw Status
>>> --- ---------------------------------- ------ ------------ ------------
>>> -------
>>>   1  0011.934a.001c to 0011.934a.001f   1.5   Unknown      Unknown
>>>  PwrDown
>>>   2  0011.9370.270c to 0011.9370.270f   1.5   Unknown      Unknown
>>>  PwrDown
>>>   3  0022.902b.fc44 to 0022.902b.fc47   2.7   Unknown      Unknown
>>>  PwrDown
>>>   4  0011.204f.ff68 to 0011.204f.ff6b   1.5   12.2(18r)S1  12.2(33)SRE1
>>> Ok
>>>   5  0016.9dcb.6434 to 0016.9dcb.6463   2.9   Unknown      Unknown
>>>  PwrDown
>>>   6  001c.584c.ab98 to 001c.584c.ab9b   5.9   12.2(33r)SRE 12.2(33)SRE1
>>> Ok
>>>
>>> Mod  Sub-Module                  Model              Serial       Hw
>>> Status
>>> ---- --------------------------- ------------------ ----------- -------
>>> -------
>>>   1  Distributed Forwarding Card WS-F6700-DFC3CXL   SAL1423K3UR  1.6
>>>  PwrDown
>>>   2  Distributed Forwarding Card WS-F6700-DFC3CXL   SAL160101ZB  1.7
>>>  PwrDown
>>>   3  Centralized Forwarding Card WS-F6700-CFC       SAL12330HQ6  4.1
>>>  PwrDown
>>>   4  Distributed Forwarding Card WS-F6700-DFC3CXL   SAL1406AMHG  1.4
>>>  Ok
>>>   5  Centralized Forwarding Card WS-F6700-CFC       SAL1336XWTP  4.1
>>>  PwrDown
>>>   6  Policy Feature Card 3       7600-PFC3CXL       SAL153813DT  1.0
>>>  Ok
>>>   6  C7600 MSFC4 Daughterboard   7600-MSFC4         SAL1538AW19  1.5
>>>  Ok
>>>
>>>
>>> After a reload with card inserted and powered, the chassis loads to PFC3
>>> mode.
>>>
>>> 7606S-lab#show platform hardware pfc mode
>>> PFC operating mode : PFC3C
>>>
>>> As soon as I remove the card, reload, the chassis loads to PFC3C-XL
>>> mode. When the card is inserted, it's powered down, to prevent DFC
>>> mismatch. Even when the DFC and PFC version is the same..both XL.
>>>
>>>
>>> Any thoughts what can be wrong? Other than 'two faulty DFC modules'. As
>>> I said, both are from different sources and we have used both previously so
>>> it's really unlikely.
>>>
>>>
>>> Thanks!
>>>
>>>
>>> Jiri
>>>
>>>
>>>
>>>
>>>
>>>
>>>
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>>
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>