L3DONTBNDL2: Te2/5 suspended: LACP currently not enabled on the remote port

[Angelo Cacciapuoti]

Dear all,

i have cisco WS-C4507R-E

Saturday there was a very strange thing as shown below:

May 28 08:11:28.709: %EC-5-UNBUNDLE: Interface Te3/4 left the port-channel Po20

*May 28 08:11:31.156: %EC-5-UNBUNDLE: Interface Te2/4 left the port-channel Po21

*May 28 08:11:32.340: %EC-5-BUNDLE: Interface Te3/4 joined port-channel Po20

*May 28 08:11:34.972: %EC-5-BUNDLE: Interface Te2/4 joined port-channel Po21

*May 28 08:11:35.158: %EC-5-UNBUNDLE: Interface Te3/3 left the port-channel Po21

*May 28 08:11:38.780: %EC-5-BUNDLE: Interface Te3/3 joined port-channel Po21

*May 28 08:12:34.396: %EC-5-UNBUNDLE: Interface Te2/5 left the port-channel Po20

*May 28 08:12:39.830: %EC-5-L3DONTBNDL2: Te2/5 suspended: LACP currently not enabled on the remote port.

*May 28 08:12:48.796: %EC-5-UNBUNDLE: Interface Te3/4 left the port-channel Po20

*May 28 08:12:53.948: %EC-5-L3DONTBNDL2: Te3/4 suspended: LACP currently not enabled on the remote port.

*May 28 08:12:57.065: %EC-5-L3DONTBNDL2: Te2/5 suspended: LACP currently not enabled on the remote port.

*May 28 08:13:00.713: %EC-5-UNBUNDLE: Interface Te2/4 left the port-channel Po21

*May 28 08:13:06.596: %EC-5-L3DONTBNDL2: Te2/4 suspended: LACP currently not enabled on the remote port.

*May 28 08:13:06.868: %EC-5-UNBUNDLE: Interface Te3/3 left the port-channel Po21

*May 28 08:13:12.740: %EC-5-L3DONTBNDL2: Te3/3 suspended: LACP currently not enabled on the remote port.

*May 28 08:13:15.248: %EC-5-L3DONTBNDL2: Te2/4 suspended: LACP currently not enabled on the remote port.

*May 28 09:13:20.481: %EC-5-BUNDLE: Interface Te3/3 joined port-channel Po21

*May 28 09:13:23.292: %EC-5-BUNDLE: Interface Te2/5 joined port-channel Po20

*May 28 09:13:32.377: %EC-5-BUNDLE: Interface Te3/4 joined port-channel Po20

*May 28 09:13:34.760: %EC-5-BUNDLE: Interface Te2/4 joined port-channel Po21

In this case i have lost the virtual machines but after 1 hour all work fine without me to do something.

In remot port i heva HP C7000:

the following my configuration:

interface Port-channel20

switchport !

interface Port-channel21

switchport !

interface TenGigabitEthernet3/4

description ==> rack3_C7000

channel-protocol lacp

channel-group 20 mode active

interface TenGigabitEthernet2/4

description ==> rack3_C7000

channel-protocol lacp

channel-group 21 mode active

interface TenGigabitEthernet3/3

description ==> rack3_C7000

channel-protocol lacp

channel-group 21 mode active interface

TenGigabitEthernet2/5

description ==> rack3_C7000

channel-protocol lacp

channel-group 20 mode active

Please help me I fear that the problem returns Than

[Carlos Villagran · Accepted solution]

Hi!

Do you have LACP configured in your HP switch? I recommend you to change your ports to a non-dynamic mode. Use  channel-group 20 mode on command in your ports and let us know if it cleared the issue!

i.e:

interface TenGigabitEthernet3/4

description ==> rack3_C7000

channel-protocol lacp

channel-group 20 mode on

Hope it helps, best regards!

JC

[Angelo Cacciapuoti]

Dear Carlos,

yes i have configured LACP on HP switches and this configuration is on from 2 months and only this saturday i had this problem.

our HP specialist says it is a spanning tree problem.

My opinion:
if it is a spanning tree problem, why only after 2 months?

Tomorrow will apply your suggestion

Thanks  a lot

If you have other help i'm here.

Regards

[Carlos Villagran · Accepted solution]

Hi!

Also be sure to check for interface flappings from one side, are all these fiber ports?

This could be a layer 1 issue with the fibers, and that would explain the sudden failure (Assuming no configuration was made that could have caused this at that point int time).

Let me know how it went, best regards!

JC

[Angelo Cacciapuoti]

Hi,

from log i not read flapping of ports.

What do you thing about spanning tree? It's right?

For major detail attached all configuration Cisco Catalyst

BR

[venkata-ramana]

Hi Carlos,

I am experiencing the similar error while trying to establish port channel, from hp switch connecting to mdf & fiber uplink provided through fiber path panel. When tried to connect the 2x fiber pair to Cisco switch fiber patch panel 1 pair goes green, the other no led shows or amber led down. With 1 green & 1 amber sfp ports I tried to configure the lacp. Between Cisco 3650 @Carlos Villagran