From: Lee, Vaughan (vaughan.lee@xxxxxxxxxxx)
Date: Tue Jan 25 2000 - 14:52:23 GMT-3
Passive interface lo0 only means that routing updates will not be sent out
of that interface, not that the interface will not be included in routing
updates out other interfaces (you should also be seeing R3's E0 subnet on
R2, even though that is also passive). To remove the route you would need a
distribute list either outbound on R2's S0 or inbound on R3's S0.
I suspect you will also find that if you try to redistribute the /29 OSPF
route into IGRP on R3, it will not get passed to R2. I've generally found
that redistributing a larger subnet into a fixed length subnet routing
protocol with a smaller subnet size requires diligent use of default routes
and / or static routes. (Thinking back to the last time I did it in the
lab!).
Now, take a break, down a pint, think nice thoughts about running through
fields with poppies etc, and look at it afresh in the morning :-)
Regards,
Vaughan
Vaughan Lee, Network Specialist.
CCIE #5250
debis IT Services (UK) Ltd.
E-mail: vaughan.lee@debis.co.uk
Direct Phone: 01908 279561
Direct Fax: 01908 279061
http://www.debis.co.uk/ <http://www.debis.co.uk/>
-----Original Message-----
From: Ben Rife [mailto:brife@bignet.net]
Sent: 25 January 2000 04:17
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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