The MPLS-OPS Archive

["Amos Rosenboim" <slick@inter.net.il>]

As far as i understand  the initial question, they don't have to support
subinterfaces, since it's only the pe-pe connection. if you configure ppp as
the encapsulation protocol then i see no reason why it shouldn't support
mpls.
regarding the question itself, personally i found pri connectivity between
routers to be unstable in more then 4 b channels.

Regards
Amos

----- Original Message -----
From: "alok" <alok.dube@apara.com>
To: "Saifulazza" <Saifulazza@vads.com>; <mpls-ops@mplsrc.com>
Sent: Tuesday, September 10, 2002 1:27 PM
Subject: Re: [MPLS-OPS]: MPLS over ISDN PRI


> Do ISDN interfaces support MPLS subinterfaces??
>
> ----- Original Message -----
> From: Saifulazza <Saifulazza@vads.com>
> To: <mpls-ops@mplsrc.com>
> Sent: Tuesday, September 10, 2002 2:38 PM
> Subject: [MPLS-OPS]: MPLS over ISDN PRI
>
>
>
> Hi
>
> Has anybody out  have implemented the PE-PE connection  being backup by
> ISDN PRI ? . I experienced very unstable connection with the OSPF
adjacency
> flapping most of the time and the VPN can never be developed .
>
> Cheers
>
>
>
> -----Original Message-----
> From: fraanro [mailto:fraanro@arrakis.es]
> Sent: Tuesday, September 10, 2002 4:02 PM
> To: Enrique Torres
> Cc: mpls-ops@mplsrc.com
> Subject: Re: [MPLS-OPS]: tag-switching MTU on c7206 and c3640
>
>
> You should configure the tagswitching MTU in the Fast Ethernet
> interfaces to be able to hold the MPLS frame with as many shim headers
> as you need. for example 1508 if you want to labels.
>
> mpls mtu 1508
>
> under the interface configuration.
>
> Rgds.
> Javier.
>
> ----- Mensaje Original -----
> Remitente: Enrique Torres <entorresa@yahoo.com>
> Fecha: Lunes, Septiembre 9, 2002 8:28 pm
> Asunto: [MPLS-OPS]: tag-switching MTU on c7206 and c3640
>
> > Hi all
> >
> > I started tag-switching between 2 nodes of my network
> > but there is a problem with the MTU and the packet
> > size after tag imposition.
> >
> > My configuration in each node is it
> >
> > I have a Cisco7206 (IOS 12.1(1)E), it is connected
> > with 6 Cisco 3640 (remote cells) through E1 circuits.
> > Between the C3640 and C7206 I run tag switching
> > because I have configured VPN's. In all these routers
> > is configured "Path MTU Discovery" and our MTU between
> > the c3640 and c7206 is 1530.
> >
> > In this configuration I dont have any problem to send
> > information between clients connected in our c3640's.
> >
> > But when I connect this node with a second node, I
> > must connect the c7206 through a fast ethernet port
> > and run tag-switching over these ports. In this
> > situation I started to have problems with http, ftp or
> > any kind of traffic with large size of packet (greater
> > than 1500bytes).
> >
> > I believe that I have a problem with the MTU after
> > second tag imposition (the impositon between c7206's)
> >
> > Please, could you help me to solve this.
> >
> > Thanks,
> >       Enrique.
> >
> >
> >
> > =====
> > Saludos,
> >       Enrique
> >
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