[nsp] Problems with Half Bridge PVC in Access Routers

Gert Doering gert at greenie.muc.de
Fri Nov 28 10:31:45 EST 2003


On Fri, Nov 28, 2003 at 12:17:06PM -0300, Troncoso, Esteban - (Chi) wrote:
> We have implemented Half Brigde PVC in our Access Routers, in order to
> increase the capacity for access customers (using IRB, the limit is 255 by
> router) over ATM, RFC-1483.
> Sometimes, when we have provisioned customers, they have found some of
> follows problems:
> .- Can't send mail with files attached.
> .- Their own Web Pages can't be access from Internet.
> When we move this customers to IRB, the problems disappear.
> Our platform is Cisco 7507, with IOS 12.0(25)S2, Service PRovider

Sounds like problems with MTU or with traffic policing on the path
between the customer and you.  If it goes away with IRB, it's likely to 
be a MTU problem.

Can you show the configuration for one of the problematic interfaces?

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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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