[c-nsp] Dialup with MPLS

[Andris Zarins]

First of all - never bring MPLS towards CE box. CE box itself must have
no knowledge about any MPLS stuff - there is no TDP/LDP between CE and
PE, and NO TE tunnels are build from CE. CE box sees whole MPLS cloud as
one router. 


Read Nick Shah's reply twice, I strongly believe this is what you need.
First option is realy simple to implement and will give customer
required services (access to some VPN/VRF in your case). 


Andris



-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Vikas Sharma
Sent: Friday, December 16, 2005 8:13 AM
To: Nick Shah; cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Dialup with MPLS

Hi Nick,

Thanks for the reply. But my scenario is a typical Telecom network where
user is using mobile to access the data service. I don't have router
ports
to create MPLS VPN. This network is a MPLS enable network for TE. All
the
users are using their phone to connect to network using EV-DO / 1X-RTT
network. Can I create end to end TE tunnel? my topology looks like -

                                           Router 1


                     Router 2                               Router 3


Router 4

                                                               router
5                router 6

here router 1 2 and 3 are in mesh and AAA is attached to router 3.
router 4
is attached to router 3 and router 5 and 6 are attached to router 4.  A
user
dial from CDMA network that is attached to router 5 and get
authenticated by
AAA attached to router 3. Now router 1,2 and 3 are part of MPLS core,
router
4 is PE router and router 5 and 6 are behaving as CE router. Once the
mobile
user get the IP, he/she lands on router 5 which is currently CE router
(this
is just the logical view, all above shown routers are part of same
network).
In this scenario, can I implement end to end MPLS with TE?

Pls write me back if you need more clarification.

Thanks
Vikas



On 12/16/05, Nick Shah <Nick.Shah at aapt.com.au> wrote:
>
> I am assuming you want to put the dialup user in a VRF
>
> If so, 2 ways to do it
>
> - your NAS is configured as the PE, where upon DIALUP &
authentication,
> RADIUS sends VRF attributes and puts the user in appropriate VRF
> - or deploy VPDN, and L2TP multihop from the NAS to LNS (which is a
PE)
> and have radius send VRF attributes to put into a VRF.
>
> Rgds
> Nick
>
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Vikas Sharma
> Sent: Friday, 16 December 2005 3:30 p.m.
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] Dialup with MPLS
>
> Hi,
>
> In a scenario where user can access Internet or other data services
> using
> wireless medium (CDMA phone to access data on laptop / PC), is it
> possible
> to implement MPLS on dialup?
> User gets an IP through PDSN (PPP) and now it is connected to the
> network.
> In core and distribution layer MPLS can be implemented using Core as a
> MPLS
> core and distribution layer as a MPLS Edge LSR. Can we implement end
to
> end
> MPLS? Like as soon as user get an IP and come on the first router on
the
> network, it should be switched using MPLS. In the normal scenario, we
> need
> to configure last router that is connecting to distribution layer
router
> (edge lsr) as a CE router.
>
>
> Thanks
> Vikas
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