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Abdel Amyay
Beginner

LACP not working on Cisco 9200 switches

Hello All,

 

I have two cisco 9200 switches connected back to back. the two switches were connected through an ether channel (2 ports on each switch) in active mode. We lost power to both switches and all the ports in the ether channel went into suspend status. Checked the logs on both switches and was showing that port got suspended because LACP was disabled on the remote port. I went and added channel-protocol LACP on all interfaces, but was setting getting same error. I changed the etherchannel to just one port on each switch but kept getting same error.

int g1/0/24

swi mode trunk

channel-group 1 mode active

channel-protocol lacp

 

the other port on the other switch is configured same way

both switches are running 16.12.1   CAT9K_LITE_IOSXE

 

Am I missing something or this is a bug in the current IOS

 

4 REPLIES 4
curdubanbogdan
Beginner

Hello,

 

You must add no lacp suspend-individual on both int.

 

BR,

balaji.bandi
VIP Expert

To understand the problem bettwe we need more information on involved swiches as below :

 

sh runn

show ether-ch sum

 

Other notes :

 

channel-group 1 mode active   < when you add this command it configure as LACP

channel-protocol lacp  < -- you do not need below command.

 

BB

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Hi Balaji,

 

That s how it was configured initially and was still getting that error. I later added that command and was still getting same error. so either with or without, etherchannel wont establish.

its hard to say for now, what went wrong. as per the post before power off was working all ok, after that ports are not coming up.

 

so, in this case, need more information as requested before.

any other switches connected to this Cat 9200?

 

post below information from both the switches. :

 

1. show run

2. show ether-ch sum

3. show cdp nei

4. show spanning brief

BB

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