04-27-2009 01:19 PM - edited 03-06-2019 05:25 AM
I have a cisco WS-C6509-E with VS-S720-10G (12.2(33)SXI1) and i'm seeing something weird when i do a "show etherchannel summary" command
I am seeing additional port-channels which I have not created.
For example i'm seeing:
699 Po699(SD) -
700 Po700(SD) -
731 Po731(SD) -
732 Po732(SD) -
Is this something to be concerned about how can i remove them?
04-27-2009 02:02 PM
Hi,
Can you post the output of show ehterchannel summary.
If you don't need it, just remove it by going into all the interfaces associated with these etherchannel:
interface xxxx
no channel-group xxx
After you are done, go to the global config mode and do
no interface port-channel xxx
Verify it by using the show ehterchannel summary command.
HTH,
jerry
04-28-2009 05:36 AM
I can't remove it because there are no interfaces associated with these etherchannels:
Here is my output:
Number of channel-groups in use: 9
Number of aggregators: 9
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
1 Po1(RU) - Te1/5/4(P) Te1/5/5(P)
2 Po2(RU) - Te2/5/4(P) Te2/5/5(P)
3 Po3(SD) - Te1/7/1(D) Te2/7/1(D)
4 Po4(SD) - Te1/7/2(D) Te2/7/2(D)
5 Po5(SD) - Te1/7/3(D) Te2/7/3(D)
699 Po699(SD) -
700 Po700(SD) -
731 Po731(SD) -
732 Po732(SD) -
04-28-2009 07:35 AM
Can you do the following for me:
sh run int po 699
sh run int po 700
sh run int po 731
sh run int po 732
The reason I am asking is I tested this in my lab, if you create the etherchannel before you assign the ports into the interface, you will get this result. Here is the output from my lab:
SW2(config)#do sh ether sum
Number of channel-groups in use: 1
Number of aggregators: 1
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
23 Po23(SU) LACP Fa0/16(P) Fa0/17(P)
SW2(config)#int po 3
SW2(config-if)#do sh ether sum
Number of channel-groups in use: 2
Number of aggregators: 2
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
3 Po3(SD) -
23 Po23(SU) LACP Fa0/16(P) Fa0/17(P)
SW2(config-if)#exit
SW2(config)#no int po 3
Rack1SW2(config)#do sh ether sum
Number of channel-groups in use: 1
Number of aggregators: 1
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
23 Po23(SU) LACP Fa0/16(P) Fa0/17(P)
As a result, if you go into the global config mode and do
no int po 699
no int po 700
no int po 731
no int po 732
this should clear those unused/unassign etherchannel.
HTH,
jerry
04-28-2009 07:59 AM
when i do a:
sh run int po 699
I get the following:
-----------------------------
show run int po 699
Building configuration...
Current configuration : 5 bytes
end
-----------------------------
Each one of the other po's output the same thing.
When i do a no int po 699 in global config mode i get:
---------------------------------------
no int po 699
^
% Invalid input detected at '^' marker.
----------------------------------------
Not sure what's going on
04-28-2009 08:04 AM
This is very strange. Give this a try in global config mode:
int po 699
exit
no int po 699
Regards,
jerry
04-28-2009 08:08 AM
when i do int po 699 in global config mode i get:
----------------------------------------
int po 699
^
% Invalid input detected at '^' marker.
----------------------------------------
04-28-2009 08:37 AM
Hi,
Just realized something, the etherchannel/port-channel number 699, 700, 731, and 732 are not valid. The valid numbers are 1 - 256. I am not able to find anything which show these port-channels are default command.
One more suggestion, if the switch is not in production, you can try to reload it or upgrade to SXI1. I am hoping the reboot process realized that it is not way to create these etherchannels (out of range channel number) in the config.
HTH,
jerry
04-28-2009 12:33 PM
Are you using WISM modules in the chassis ?
They generate some portchannels by default.
04-29-2009 01:24 PM
Yes i do have 2 WISM's in my vss environment, and thing that's it. Thanks for you help guys.
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