[c-nsp] Dialup with MPLS

[Vikas Sharma]

Hi Andris / Nick,

I know you both are right. I can not and should not extend MPLS network to
CE router. But in my case there is no CE router. These are my own routers at
remote locations. Pls go through the topology I have mentioned in previous
mail.
I need the solution like :-
*Traffic-engineering tunnel headend located on the customer-edge router*—In
this scenario, the tunnel headends are established at the customer edges.
The customer edge then signals the tunnel across the provider edge and the
network (again I own the customer edge routers).
This excerpt is from Cisco site :
http://www.cisco.com/en/US/tech/tk436/tk428/technologies_white_paper09186a00800a3e69.shtml

Request you pls go through the network topology and let me know if I can or
any other Telecom carrier have implemented this kind of solution. one more
important thing, I don't have any last mile on DSL/LL etc... all customers
are coming in to my network usind wireless connection (EV-DO). Once agian I
am repeting my question, I want to establish end to end TE not VPN (no VRF).

Thanks
Vikas Sharma



On 12/16/05, Nick Shah <Nick.Shah at aapt.com.au> wrote:
>
> Vikas
>
> Generally, CE is unaware (and should be) of all things MPLS.
>
> What I think is happening in your case is that the Telco network is not
> yours, you are aggregating a few PPP tails at your CE (which is your
> demarcation) and you want them to belong to different VRF's.
>
> If thats the case, check with your SP and you could prolly do CSC (carrier
> servicing carrier) MPLS VPN model. Thereby your CE can talk label switching
> with PE.
>
> Check out this url (and search csc vpn on cco)
>
> http://www.ciscotaccc.com/iprout/showcase?case=K16792313
>
> rgds
> Nick
>
>
> -----Original Message-----
> From:   Vikas Sharma [mailto:vikassharmas at gmail.com]
> Sent:   Fri 12/16/2005 5:13 PM
> To:     Nick Shah; cisco-nsp at puck.nether.net
> Cc:
> 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 <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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