-----Original Message-----
From: Jerome Law
[mailto:Jerome.Law@vanco.co.uk]
Sent: 25 July 2003 14:55
To: 'Strahler, Carsten'; 'Alok
Dube'; mpls-ops@mplsrc.com
Subject: RE: [MPLS-OPS]: OSPF and
no area 0
No suck link.
-----Original Message-----
From: Strahler, Carsten [mailto:Carsten.Strahler@lambdanet.net]
Sent: 25 July 2003 14:39
To: 'Alok Dube';
mpls-ops@mplsrc.com
Subject: AW: [MPLS-OPS]: OSPF and
no area 0
Hi Alok,
it is recommend but not necessary to have an area 0.
Have a look at
http://www.ietf.cnri.reston.va.us/internet-drafts/draft-rosen-vpns-ospf-bgp-
mpls-06.txt
to get an better impression about
the problems of OSPF
in a MPLS-VPN environment.
regards
------------------------------------------------------------
Carsten Strahler
IP Planning
Lambdanet Communications Deutschland AG (AS 13237)
Guenther-Wagner-Allee 13
D-30177 Hannover (Germany)
Phone +49 (0)511 / 84 88 12 57
Mobile +49 (0)173 / 629 1257
Fax +49
(0)511 / 84 88 12 59
mailto:carsten.strahler@lambdanet.net
web: www.lambdanet.net
-----------------------------------------------------------
> -----Ursprungliche Nachricht-----
> Von: Alok Dube [mailto:alokdube1978@rediffmail.com]
> Gesendet: Freitag, 25. Juli
2003 09:15
> An: mpls-ops@mplsrc.com
> Betreff: [MPLS-OPS]: OSPF and
no area 0
>
>
> Hi,
>
>
> a. There is an MPLS VPN
network.
>
> b. The customers may wish to
run IGP as OSPF
>
> c. The typical problem in such
a scenario is the "Area 0" will be
> the "spoke" of the
customer's network.? It is my understanding
> that everything would go to
Area 0 and then to other areas, is
> this correct?
>
> d. Would it be possible to not
have an "area0" in the whole VPN
> for the customer? but
stillhave individual areas in OSPF?
>
> e. my knowledge of ISIS is
less,but i assume area0 <->level 2 in
> ISIS. Is it possible to have a
topology with no level 2 but only
> level -1 areas/rings for
the customers?
>
> the information across the
OSPF/ISIS Areas on different parts of
> the VPN would be carried by
MPBGP.
>
> Is this how it is currently
done? or do we still have an area
> 0/level-2 area?
>
> would appreciate some
clarification..
> -thanks
> Alok
>
>
>
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