[c-nsp] Managed internet VPN solution
Oliver Boehmer (oboehmer)
oboehmer at cisco.com
Mon Apr 21 04:23:11 EDT 2008
Thanks for the addtl. info. How does Site A connect to the Internet?
Can't you just replicate whatever you did there and apply it to Site B?
I don't know of PBR is a solution, it really depends on the routing
setup. Please bear in mind that the PE performs another routing lookup,
so PBR on the CE site B alone will likely not help.
oli
Ibrahim Abo Zaid <mailto:ibrahim.abozaid at gmail.com> wrote on Monday,
April 21, 2008 10:09 AM:
> Thanks Oliver for your interset , you'll find the topology attached
>
>
> both HQ and Site A connect to the internet through managed internet
> CE and the customer needs Site B to connect through Site A then
> managed internet CE , about the PBR point , i plan to configure it
> under Site B PE interface
>
> i hope that will clarify my whole solution and thanks for your help :)
>
>
> best regards
> --Abo Zaid
>
>
> On 4/21/08, Oliver Boehmer (oboehmer) <oboehmer at cisco.com> wrote:
>
> Ibrahim Abo Zaid <> wrote on Sunday, April 20, 2008 10:30 PM:
>
> > Hi All
> >
> > one of my clients has a managed Internet solution with his
simple
> > MPLS VPN and Internet access in granted to a selected group of
> sites > including HQ through managed internet router hosted at
his
> ISP but he > has a bit weired request as he needs a site to
connect
> to the > Internet using Internet connection of other site not
> directly to > provider Internet gateway
>
> I'm not entirely sure I understand the topology. Can you put a
> diagram somewhere?
>
> > i thought about two solution how this solution can be
implemented
> >
> > 1-use PBR under this site PE interface and direct the Internet
> > traffic to the other site network using set key *set next-hop
> > recursive* and point to one of the remote site IPs so MPLS
labels
> > will do the work and route the traffic to the remote CE and
then to
> > the Internet and of course reverse reachability will be
maintained
> .
>
> Where exactly are you planning to apply the PBR route-map? Not
sure
> if this will work on the PE.
>
> > 2- isolate these two site into a different VRF and set up
> overlapping > VPN between the overall simple VPN and the special
> managed Internet > VPN composed of those 2 sites
>
> sounds like a feasible approach (need to understand the topology
> better).
>
> > any suggestion how this solution can be met will be welcomed
:)
> >
>
> If the "hub" site has the Internet connection, you could also
have
> this site inject a default-route into the VPN so all sites can
> follow it (and use ACLs or route filters if you want to restrict
> this access to only certain sites).
>
> oli
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