[c-nsp] Bridging ethernet to MLPPP

[Bikash Bhattarai]

Dear joe,
Consider using L2TPv3. I have tested L2TPv3 and works well for bridging,
even with do1q trunks.


Regards,
Bikash

On Wed, Dec 29, 2010 at 5:55 AM, Todd Shipway <
todd at newfrontierssolutions.com> wrote:

> I've got this working good over multiple bridged MLPPP connections.  There
> was a thread on this previously when I had some issues with it.  You
> basically need to use a BVI interface with the bridge to get things to work
> properly.  Sample config that helped me get this working is below.
>
> R1/R2:
> Bridge irb
> Bridge 1 protocol ieee
> Bridge 1 route ip
> Int bvi 1
> Ip add xxx
> Int serial
> Bridge-group 1
>
> R3 (transparent bridging)
> No ip routing
> Bridge 1 protocol ieee
> Int serial
> Bridge-group 1
> Int serial
> Bridge-group 1
>
>
>
> ________________________________
>
> From: cisco-nsp-bounces at puck.nether.net on behalf of Lee
> Sent: Tue 12/28/2010 7:25 AM
> To: Joe Freeman
> Cc: Cisco-nsp
> Subject: Re: [c-nsp] Bridging ethernet to MLPPP
>
>
>
> Have you tried it without the 'bridge irb'?
> It sounds like you want to bridge IP between the two sites and I think
> integrated routing & bridging is going to want to route IP..
>
> Regards,
> Lee
>
>
> On 12/27/10, Joe Freeman <joe at netbyjoe.com> wrote:
> > I've got a situation where a customer is having to relocate from one
> > facility to another a few  miles away. This customer has a 100Mb metro
> > ethernet connection at the old location, and can't get it moved for
> several
> > months.
> >
> > To help them out, we're trying to setup a pair of 3620's that we had with
> > wic-1dsu-t1's (4 ea router) to bridge the metro e across a multilink ppp
> > group and back to an ethernet connection at the new site.
> >
> > For some reason, I can't get this to work. Here's the config I'm using on
> > each side-
> >
> > bridge irb
> > bridge 1 protocol ieee
> >
> > int serial 0/0
> > encaps ppp
> > multilink-group 1
> > int serial 0/1
> > encaps ppp
> > multilink-group 1
> > int serial 1/0
> > encaps ppp
> > multilink-group 1
> > int serial 1/1
> > encaps ppp
> > multilink-group 1
> >
> > int multilink 1
> > encaps ppp
> > bridge-group 1
> >
> > int fa0/0
> > bridge-group 1
> >
> >
> > So I figure I'm either missing something simple, or something major, like
> > it's just not possible with this hardware. Either way, I'd appreciate
> > whatever thoughts anyone has.
> >
> > Thanks-
> > Joe
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