From: Tran Tien Phong (PhongTT2@FPT.COM.VN)
Date: Tue Dec 24 2002 - 09:06:49 GMT-3
I assume that your OSPF area is 1. Try the following:
R1:
Router ospf 100
Area 1 stub no-summary
Area 1 default-cost 20
R2:
Router ospf 100
Area 1 stub no-summary
Area 1 default-cost 10
At that time R3 will choose R2 as exit point due to lower cost.
Use "ip ospf cost" on Ethernet interfaces of R1 and R2 will not solve
the issue, because these costs will be used by the "upstream" routers of
R1 and R2 (For ex, some routers in area 0 will use these costs to choose
the best path to your ethernet network).
Hope this helps,
Tran Tien Phong
-----Original Message-----
From: Desmond [mailto:cciestudy@sympatico.ca]
Sent: Sunday, December 22, 2002 7:31 AM
To: ccielab@groupstudy.com
Subject: OSPF preferable router or path
I have following scenario. R1, R2 and R3 are on Ethernet and in an
OSPF
Totally Stub Area. Both R1 and R2 area ABRs and send default router to
R3.
R1 R2
| |
| |
-----------------
|
R3
The question is how I can make R2 is a preferable router or exit point.
Here is the solution from some Lab workbooks and scenarios.
R1
int E0
ip ospf cost 20
R2
int E0
ip ospf cost 5
I tested with my home lab. It doesn't work. I think the "ip ospf cost"
is
local significant.
Can someone provide me answer ?
Thanks in advance !
Des
.
.
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