Etherchannel Problems 6509 - 3560G

[gavin.mckee]

Hi,

I have configured 2 ports on my Catalyst 6509 to be members of an etherchannel like so:

set port channel 3/3, 3/17 mode desirable non-silent

On the 3560 I have done the following

interface gi0/1

channel group 1 mode desirable

interface gi0/24

channel group 1 mode desirable

(both these are dot1q trunks) native VLAN150

One of the interfaces on the 3560G can join the Port-Channel. I am getting the following message

Gi0/1 suspended: incompatable partner port with GigabitEthernet0/24

The strange thing is i done a shut on the port channel, then no shut, Gi0/1 joined the PortChannel and the message was the oppisite of that above.

Any help would be greatly recieved.

Thanks

Gav

[Edison Ortiz]

With CATOS (6509) you have two steps.

First step, you need to bundle the ports.

set port channel 3/3, 3/17

Second step (which you've done), you need to set the mode

set port channel 3/3, 3/17 mode desirable non-silent

You can verify the config on the CATOS with the 'show port channel' command.

_____

Please rate helpful posts.

Thanks

[gavin.mckee]

Ok

I done the 2 steps in one... made the ports part of etherchannel 1 and set the mode?

why do I get incompatable port types?

Gav

[Edison Ortiz]

With CATOS you can't do the 2 steps in one.

You have to type the 2 commands I posted in order for this work.

[gavin.mckee]

by the way the command show port channel does not show that any channel has been config

Gav

[Edison Ortiz]

Because you haven't bundled the ports.

Please type the commands as I posted.

[jackyoung]

Will the problem repeated on other ports ? Or on these specific port only ?

If you disconnect the cables then connect one by one, what is the result ?

[jackyoung]

Moreover, I think you are configure as Layer 2 Etherchannel. Please check below link for the CatOs & IOS Etherchannel info.

http://www.cisco.com/en/US/tech/tk389/tk213/technologies_configuration_example09186a0080094953.shtml

Finally, can you check the "show port capabilities" in 6509 ? And, did you try to use "auto" or "on" in etherchannel mode ? And try "silent" mode too. Check below for different mode result :

http://www.cisco.com/en/US/tech/tk389/tk213/technologies_tech_note09186a00800949c2.shtml#manualconfig

Hope this helps.