Cisco VSS strange syslog message

[jackson.ku]

Dear All,

My Cisco Catalyst 6509 VSS switch have the following strange syslog message :

Dec 17 12:23:36.591: %SM-SW1_SP-4-PERSIST: Persistent event 'link_down' did not leave the current state 'link_down': pm_port 34/7
Dec 17 12:23:36.600: %LINK-3-UPDOWN: Interface GigabitEthernet2/2/7, changed state to down
Dec 17 12:23:36.599: %LINK-SW1_SP-3-UPDOWN: Interface GigabitEthernet2/2/7,changed state to down

Please advice me what the "%SM-SW1_SP-4-PERSIST" mean? ( Please do not post the comment from Cisco error message decoder )

Best Regards,

Jackson Ku

[Yogesh Ramdoss · Accepted solution]

Jackson,

Dec 17 12:23:36.591:  %SM-SW1_SP-4-PERSIST: Persistent event 'link_down' did not leave the  current state 'link_down': pm_port 34/7

SM ==> State Machine

SW1_SP ==> Switch Processor (SP) in Switch #1 of the VSS setup

4 ==> Severity Level of the message

PERSIST ==> Message type

PM ==> Port Manager (process managing the ports in VSS)

If 34/7 is a SPAN destination port, this message should be cosmetic, when the SPAN session becomes active (or configuring this port as SPAN destination). When a port transition from one state to other, the SM of the port report state change(s).

Please review following bug:

http://tools.cisco.com/Support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails&bugId=CSCth01851

Hope this helps.

- Yogesh

[jackson.ku]

Hi,

You are correct, the 34/7 is a SPAN destination port.. Many thanks for your answer ...

Best Regards,

Jackson Ku

[Nick Chen]

How can I check the physical port number which process manager? Such as the case , 37/4 is not the real port #, how can I know the real port number? Thanks!

Sent from Cisco Technical Support iPhone App

[Yogesh Ramdoss]

Hello,

In VSS, please do "show switch virtual slot-map". The results should provide you the mapping between virtual slot # and physical switch/slot number.

From my lab setup:

VSS#sh switch virtual slot-map

Virtual Slot to Remote Switch/Physical Slot Mapping Table:

Virtual    Remote      Physical   Module

Slot No    Switch No   Slot No    Uptime

---------+-----------+----------+----------

  17        1              1        3d16h   

  18        1              2        3d16h  

  19        1              3          -   

  20        1              4          -   

  21        1              5        3d16h  

  33        2              1        3d16h

  34        2              2        3d16h

  35        2              3          -   

  36        2              4        3d16h

  37        2              5        3d16h

You can see here, Virtual slot 34 = Switch 2 / Module 2.

Hope this helps.

Regards,

Yogesh