Nexus 5000 VFC statistics

Unanswered Question
Sep 21st, 2010

Hi guys,

I have a working setup but I am wondering why I don't have any statistics available on my VFC interfaces.

lct-n5kup# show int counters fc brief

-------------------------------------------------------------------------------

Interface            Input (rate is 5 min avg)    Output (rate is 5 min avg)

                     ---------------------------  -----------------------------

                     Rate     Total               Rate     Total

                     MB/s     Frames              MB/s     Frames

-------------------------------------------------------------------------------

fc2/1                 406     498410707              0     29318484

fc2/2                 349     464844989              0     27344026

fc2/3                 396     459019674              0     27001360

fc2/4                 387     393548081              0     23150082

fc2/5                 388     415604111              0     24447500

fc2/6                 389     406749980              0     23926672

fc2/7                 389     378549906              0     22267834

fc2/8                 399     409049454              0     24062162

-------------------------------------------------------------------------------

Interface            Input (rate is 5 min avg)    Output (rate is 5 min avg)

                     ---------------------------  -----------------------------

                     Rate     Total               Rate     Total

                     MB/s     Frames              MB/s     Frames

-------------------------------------------------------------------------------

vfc1                    0     0                      0     0

vfc2                    0     0                      0     0

vfc3                    0     0                      0     0

vfc4                    0     0                      0     0

vfc5                    0     0                      0     0

vfc6                    0     0                      0     0

vfc7                    0     0                      0     0

vfc8                    0     0                      0     0

vfc9                    0     0                      0     0

vfc10                   0     0                      0     0

vfc11                   0     0                      0     0

vfc12                   0     0                      0     0

vfc13                   0     0                      0     0

vfc14                   0     0                      0     0

vfc15                   0     0                      0     0

vfc16                   0     0                      0     0

vfc17                   0     0                      0     0

vfc18                   0     0                      0     0

lct-n5kup# show int vfc 1

vfc1 is up

    Bound MAC is 00:00:c9:d0:46:29

    FCF priority is 128

    Hardware is Virtual Fibre Channel

    Port WWN is 20:00:00:0d:ec:e6:31:7f

    Admin port mode is F, trunk mode is on

    snmp link state traps are enabled

    Port mode is F, FCID is 0x010006

    Port vsan is 546

    5 minute input rate 0 bits/sec, 0 bytes/sec, 0 frames/sec

    5 minute output rate 0 bits/sec, 0 bytes/sec, 0 frames/sec

      0 frames input, 0 bytes

        0 discards, 0 errors

      0 frames output, 0 bytes

        0 discards, 0 errors

    Interface last changed at Tue Sep 21 13:47:13 2010

Again everything is working fine but I do not have any statistics on my VFCs.

Any hints on that?

Thanks a lot!

I have this problem too.
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Prashanth Krishnappa Sat, 10/23/2010 - 10:55

I see you are binding MAC addresses to your vFC rather than interfaces(perhaps you have a downstream FIP snooping switch such as Nexus 4000).

Note that Nexus 5000 does not support interface statistics for MAC bound vFCs.

PrimergyQA Tue, 11/16/2010 - 23:45

Thank you for answering my question.

Could you also give an explanation why the behavior is like that?

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