The MPLS-OPS Archive

[Luc De Ghein <ldeghein@cisco.com>]

Rick,

Study what?

-plain MPLS
-MPLS VPN
-MPLS TE
-MPLS AToM

This would influence what your setup should look like.
In any case the diagram you have, looks ok. You can disable
links to make the 4 routers sit in a row; you can also make the
P router PE routers, as PE router can act as P routers.
You also have more than one way to get from one PE router to the
other, which is interesting if you want to study convergence
of LDP or want to have a look at TE.
Having CE routers would be nice, but you can ping inside the
VRF on the PE; you would just not be able to do routing on the
PE-CE link.
If you want to have a look at ethernet over MPLS, then just have two PE
routers back-to-back and make the two P routers, two CE routers.


Luc
 
> I'm trying to put together a 4-node mpls network for study.  I was thinking of 
> a diamond-shaped network with 2 PE routers and 2 P routers:
> 
>          P
>        / | \
>   - PE   |   PE -
>        \ | /
>          P
> 
> I've found 4 cisco routers that I can use:  a 7204 (Cisco web page says it is 
> obsolete), a 7507, and a pair of 3660's.
> 
> Will these work for me?  What other things (e.g. IOS version) do I need?  Does 
> it matter which routers go where?
> 
> Any suggestions appreciated.
> 
> Rick
> 
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