[c-nsp] WS-C4506 dropped links which had LACP enabled under heavy load

[Chuck Church]

So are the port-channel ints dropping line protocol, or the gig-E ints
themselves?  If the gig-E ints, are you saying the non-channeled ints stay
up, but the channeled ones drop?  I would think Ethernet keepalives wouldn't
be a function of the CPU, but an ASIC thing.  Could be wrong though...

Chuck

-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
Aaron
Sent: Tuesday, June 11, 2013 10:52 AM
To: Martin T
Cc: cisco-nsp
Subject: Re: [c-nsp] WS-C4506 dropped links which had LACP enabled under
heavy load

Keep alives need to be generated


On Tue, Jun 11, 2013 at 8:35 AM, Martin T <m4rtntns at gmail.com> wrote:

> Hi,
>
> has anyone seen a behavior where Cisco WS-C4506 drops "line-protocol"
> on GigE ports(WS-X4306-GB module) which have LACP enabled when SUP(Sup
> V-10GE) CPU load is ~100%? I guess that LACP frames are processed in 
> SUP CPU and it's normal to see LACPDUs time-out, but how can this 
> affect interface line-protocol?
>
>
> regards,
> Martin
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