[j-nsp] cross vr routing?

Sven Juergensen s.juergensen at kielnet.de
Thu Nov 2 08:45:19 EST 2006

hi again,

thanks for the heads up so far. looking at the
prices for those sm-modules, this scenario has
been set back for now.

on to the next topic which might be usable for
what i'm trying to build: mpls.

lots of documentation on the juniper website as
well as rfc 2547 tells me about PE and P routers,
whereas the PE ones connect to the CE, the PE
connects to another PE through 1+ P routers.

is something like this possible:
using just a single PE router, terminating dsl
lines through different atm pvcs to a single vrf
and thereby "routing" the subnets through this one
PE, without having any other P or PE endpoints or
bgp involved?

still trying to put all the terminology and
concepts together; apologies for misunderstandings
on my part in advance.

thanks again.



Sven Juergensen wrote:
> hello everyone,
> i'm a bit lost here:
> is it possible to somehow route between
> virtual routers using junose 5-1-5?
> in the documentation [1] it says
> "E-series routers support a number of features that allow the service
> provider to control the exchange of routing information between virtual
> routers in the system, between routers in the network, and between
> protocols within a router:"
> this leads me to the assumption that it is -
> but how? what i'm trying to do is to nat 1918
> space to a public ip address, possibly located
> on another virtual router.
> can i do this or would i have to use another
> external device for this?
> thanks for any input.
> sven
> [1]
> http://www.juniper.net/techpubs/software/erx/erx51x/erx-product-overview/html/routing-protocols-overview2.html#165012
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