OSPF Virtual Links

From: Carl Phelan (carlphelan@xxxxxxxxxxx)
Date: Sun Mar 10 2002 - 13:15:06 GMT-3


   
Hi All,

I am having problems establishing virtual links in OSPF as follows:

R2 has a loopback not configured in a routing protocol and has S0 in
area 0 and e0 in area 1, R4 has its e0 in area 1 also and has neighbored
with R2 in area 1. R2 has a loopback address in area 55. I need to
create a virtual link over area 1 for area 55 as it is not physically
connected to area 0. The router-ids for both R2 and R4 is of course the
loopbacks but I cannot specify these in the virtual links as they cannot
be seen by either router so I have created the virtual link as follows:

R2
.
Area 1 virtual-link 135.14.220.2 (e0 on R4)

R4
..
Area 1 virtual-link 135.14.220.1 (e0 on R2)

But this does not work. Must I include R2's loopback into OSPF as this
is the router-id? I would rather not and would also try and avoid
manually changing the router-id with that command.

Any ideas?

Many thanks,

Carl



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