[c-nsp] Bridging ethernet to MLPPP

Mark Jones mjones at mnsi.net
Tue Dec 28 10:04:13 EST 2010


What about multilink frame relay instead of multilink ppp?
----- Original Message ----- 
From: "Herro91" <herro91 at gmail.com>
To: "Lee" <ler762 at gmail.com>
Cc: "Cisco-nsp" <cisco-nsp at puck.nether.net>
Sent: Tuesday, December 28, 2010 9:04 AM
Subject: Re: [c-nsp] Bridging ethernet to MLPPP


> Have you considered a pseudowire (either L2TPv3, or MPLS-based)? This 
> would
> make things a little simpler IMHO, assuming your 3620's support the 
> feature.
>
> On Tue, Dec 28, 2010 at 7:25 AM, Lee <ler762 at gmail.com> wrote:
>
>> 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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>> >
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