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:[email protected]] On Behalf Of Gert Doering Sent: 09 March 2016 14:26 To: Sebastian Beutel Cc: [email protected] 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 -- USENET is *not* the non-clickable part of WWW! //www.muc.de/~gert/ Gert Doering - Munich, Germany [email protected] fax: +49-89-35655025 [email protected] _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
