[c-nsp] EoMPLS VC up on one side, not on the other.

Gert Doering gert at greenie.muc.de
Sat Nov 15 17:09:12 EST 2008


Hi,

On Sat, Nov 15, 2008 at 11:58:07AM -0500, Stephen Fulton wrote:
>     MTU: local 9000, remote 1500

Welcome to EoMPLS hell.

If MTUs do not match, the VC won't come up.  And you can't change the
"raw" MTU on a dot1q subinterface.

I seem to remember that there is a knob in recent SR* IOS trains that
permits you to ignore MTU mismatches, but I have forgot the details - Ytti
will know all the details (how to configure it plus availability).

Workaround: make sure the "base interface" MTU is the same on both sides
("gig 0/1", with no ".123").

gert
-- 
USENET is *not* the non-clickable part of WWW!
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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