Felix,

When you say "disabled" LACP does that mean make both sides passive? Or one 
side active and the other side passive?

I tryed searching the docs, but all i got out of it was that if both sides are 
set to passive the link will not automatically come up. What exactly does that 
mean? And how would i bring it up.

Thanks,

Brendan



----- Original Message -----
From: "Felix Schueren" <felix.schue...@hosteurope.de>
To: "Brendan Mannella" <bmanne...@teraswitch.com>
Cc: juniper-nsp@puck.nether.net
Sent: Wednesday, May 27, 2009 4:26:40 AM GMT -05:00 US/Canada Eastern
Subject: Re: [j-nsp] Juniper EX AE Bundle with LACP active

Brendan,

> 
> just wondering if anyone else has experienced any issues with EX
> switches and ae bundles.
> 
yes, we have.

> I have a 3200 with ports 0 and 1 in a ae bundle (ae0) with lacp
> active. Those uplink to to a 4200 VC and land on port 0 on each
> switch. Again with lacp active.
> 
> For no reason the bundle has been flapping at random, a few times per
> day. The physical interfaces never flap, just the bundle.
> 
exactly the same as we saw.

> All switches are running 9.5R1.8
> 
we saw that with 9.1, 9.2 at least, not sure if we saw it in 9.3 - JTAC
suggested that we disable LACP (which we did), no more flapping since
then. We never got a root cause for this, I suspect it's the same thing
that keeps BFD falling over every once in a while (and thus the internal
link between RE & PFE).

Kind regards,

Felix


-- 
Felix Schüren
Head of NOC

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