From: Tony Olzak (aolzak@xxxxxxxxxxxxxxxxxxx)
Date: Wed Dec 06 2000 - 22:34:28 GMT-3
Configure OSPF to IGRP redistribution on R3, then IGRP between R3 and =
R4.
On R3, use the "ip default-network" command to specify a network to be =
the default. This information will propagate to R4 automatically. Just =
be sure not to use a different subnet of whatever network R4 is using if =
it does not fall on a classfull boundary. Otherwise, this will create a =
static route automatically in your config.
Take this scenario down to a more basic level, then get it working in =
more complex scenarios like this one. There are many things that will go =
wrong if you do not fully understand how this all works.
For example, just connect R2, R3, and R4, with IGRP. Use all 24 bit, =
class C, networks in between all routers. On R3, use the "ip =
default-network" command to specify the network that runs between R3 and =
R2. This will propagate to R4.
It would take too long to fully explain all the pitfalls of your =
original scenario. Try the Doyle book for some insight into classful =
routing protocols like IGRP and RIP.
Tony
----- Original Message -----=20
From: Robert DeVito=20
To: ccielab@groupstudy.com=20
Sent: Wednesday, December 06, 2000 6:30 PM
Subject: Wording
R2
| =20
| Area 0
|
R3-------------------R4
OSPF is configured between R2 and R3 (working good). I am trying to =
figure out what they mean below and how would you do that? Would you =
configure IGRP between R3 and R4 and then redistribute OSPF into IGRP =
and use the " ip default-network" in R3?
Configure IGRP between R3 and R4. Ensure that all routers in the =
network can access all interfaces on all the routers. Configuring ONLY =
R3, send a default route to R4 without using static routes, route maps, =
or summary addresses.=20
Thank you,
Robert DeVito
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