On Fri, 2008-04-11 at 17:23 -0400, Ross S. W. Walker wrote:
> Les Mikesell wrote:
> > Ross S. W. Walker wrote:
> > > >
> > > I don't think you need to do all that:
> > >
> > > Check out:
> > http://www.cisco.com/en/US/docs/switches/lan/catalyst2900xl_3500xl/release12.0_5_wc3/swg/Swgports.html
> > >
> >
> >
> > I've run 2900xl's connected to each other though 2 ports each
> > configured
> > with:
> > port group 1 distribution destination
> > but never tried it with anything non-cisco.
>
> This should give you what you need when doing 802.3ad LAGs:
>
> interface FastEthernet0/21
> port group 1
> spanning-tree portfast
> !
> interface FastEthernet0/22
> port group 1
> spanning-tree portfast
> !
>
> It might have been the lack of STP portfasting that gave you
> trouble initially as the Linux LACP might have timed out
> waiting for STP discovery to finish.
>
> Here is a good wiki article on link aggregation:
> http://en.wikipedia.org/wiki/Link_aggregation
I did not know linux used a higher part of the networking stack to
negotiate protocols. That's interesting.
>
> And here is a good site on Linux bonding interface:
> http://www.linux-foundation.org/en/Net:Bonding
>
> You only need to setup port groups when doing 802.3ad, if
> you use the other methods you may need to tune out the
> 2900XL for the constantly shifting MAC addresses.
>
> -Ross
>
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