[c-nsp] trouble with link aggregation on WS-X6716-10GE

[Nick Cutting]

I have seen this before on a 6500

Have a look at this docwiki article:

http://docwiki.cisco.com/wiki/Issue_Description:_Creation_of_a_Secondary_portchannel_%22PortChannel_1_and_1A%22_with_LACP_channel_protocol


-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Gert Doering
Sent: 09 March 2016 14:26
To: Sebastian Beutel
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] trouble with link aggregation on WS-X6716-10GE

Hi,

On Wed, Mar 09, 2016 at 03:05:52PM +0100, Sebastian Beutel wrote:
>     When i did a "no shut" on the second port, it refused to join the 
> port channel (Po17) and instead a second portchannel (Po17A) appeared, 
> waiting to be aggregated:
> 
> 17     Po17(SU)        LACP      Te1/4(P)
> 17     Po17A(SN)       LACP      Te1/10(w) 

This typically happens if the *other* end has no idea that LACP is wanted.

gert
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