[j-nsp] VPC mc-lag

[Gert Doering]

Hi,

On Tue, Jul 03, 2018 at 10:19:56PM +0200, Mark Tinka wrote:
> On 3/Jul/18 16:45, Doug McIntyre wrote:
> 
> > Overall, they do the same general function, allow a pair of switches to
> > port-channel/aggregated-ethernet a connection in a redundant fashion.
> >
> > The main difference with Juniper it is one of a variety of ways to
> > solve the same problem, between virtual-chassis, MC-LAG, virtual-fabric,
> > etc.
> >
> > So, the answer to your question is it is just each vendor's way to do
> > the same thing.
> 
> I'm yet to hear of anyone trying to do MC-LAG between different vendors.
> 
> Sounds like a proper recipe for disaster, AFAIK, if it'll actually
> launch off the pad...

Since side A does not know that side B is actually a "MC-LAG" (if 
side B does things right) not sure where you expect problems.

A proper MC-LAG is not really that much different from "a LAG across
a stacked set of switches" or "a LAG across different line cards" - just
the coupling/learning protocol between the entities involved differs.

gert
-- 
"If was one thing all people took for granted, was conviction that if you 
 feed honest figures into a computer, honest figures come out. Never doubted 
 it myself till I met a computer with a sense of humor."
                             Robert A. Heinlein, The Moon is a Harsh Mistress

Gert Doering - Munich, Germany                             gert at greenie.muc.de
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