From: Brad Hedlund (BHedlund@xxxxxxxxxxxxxxxxxxx)
Date: Tue Jan 25 2000 - 15:01:59 GMT-3
1) Passive interface simply means "Do not broadcast routing updates out of
this interface". It will still listen for routes on that interface and
still include that interface within the routing process.
2) If you summarize a /29 to a /30 you will run into problems with longest
match routing. In this scenario you may want to have a default-route or
gateway of last resort on R2.
-Brad
-----Original Message-----
From: Ben Rife [mailto:brife@bignet.net]
Sent: Monday, January 24, 2000 10:17 PM
To: ccielab@groupstudy.com
Subject: IGRP Issues
Hi Everyone,
1st Question:
I have two routers R2 and R3
R2----------R3
R2 has 3 interfaces:
Lo0: 129.45.80.72 /30
E0 : 129.45.80.144 /29
S0 : 129.45.80.4 /30
router igrp 100
net 129.45.0.0
passive-interface lo 0
R3 has 3 interfaces:
S0 : 129.45.80.4 /30
E0 : 129.45.80.48 /30
S1 : 129.45.80.128 /29
router igrp 100
net 129.45.0.0
passive-interface e0
passive-interface s1
On R3, when I "sh ip route", I see R2's loopback in my table. Why? I thought
by "passive-int lo 0", I wouldn't see it?
2nd Question:
If I run OSPF on R3's S1 interface, will I be able to redistribute that into
IGRP since it is a /29 ?
Please explain, it's been a long day and I'm not thinking straight.
Thanks,
Ben
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