Hi All,
I ran into an interesting OSPF problem:
I have multiple distribution routers (D1, D2) in OSPF area 10, dual homed
to ABR's C1 and C2. C1 and C2 have a link between them, in area 0. I am
doing summarization into area 0. The picture below summarizes this
situation:
/----\ Area_0
C1 C2-------------^
| \ /| |
| \/ | v Area_10
| / \ |
| / \|
D1 D2
What happens if the links between D1 & C2 and D2 & C1 fail at the same
time? Communication between D1 & D2 now has to occur through C1 & C2 over
area 0, which means I have segmented area 10.
How is this design normally done, dual homing the "D" routers to multiple
"C" routers. If the "C" routers are only ABRs for one area, does it make
sense to have the link between C1 & C2 in area 10 as well?
Any feedback is greatly appreciated.
Thanks.
AR-
--
Contrary to popular belief, Unix IS user friendly. It just happens
to be very selective about who it decides to make friends with.
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Andre Riscalla Network Specialist - Internet
[EMAIL PROTECTED] 514-940-5664
Network Engineering AT&T Canada
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