[c-nsp] mLACP at 6500

[Mark Berly]

On Wed, Dec 21, 2011 at 4:27 AM, Mark Tinka <mtinka at globaltransit.net>wrote:

> On Wednesday, December 21, 2011 05:17:42 PM Phil Mayers
> wrote:
>
> > It's also not very interesting (to me) because it's
> > active-standby i.e. not both links forwarding. I can do
> > that *now* with most NIC teaming drivers, or the linux
> > "bond", and without upstream config.
> >
> > Personally, I don't see the point. Wondering if anyone
> > can suggest a reason for the "feature".
>
> We have tried it because we don't have the VSS supervisor
> modules, but we always assumed it was active/active,
> otherwise what's the point?
>
> We're certainly looking forward to it on the ME3600X, and
> hope it won't be as broken there as you suggest it is on the
> 6500.
>

Arista Networks has a similar feature called MLAG which allows
active-active paths with no vlan restrcitions and an active-active gateway
functionality. It is worth looking into if you are looking to implement
this type feature


>
> Juniper's initial implementation of this on the MX only
> supported Layer 2 instances. However, they now do support
> running IP atop MC-LAG's, although they implement it using
> VRRP.
>
> Mark.
>
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