The "area range" command only works when you're redistributing between OSPF
areas - from area 1 into area 0, for example. In your scenario, you're
redistributing from OSPF into a completely different protocol that doesn't
know what the heck an "area" is. In order to do this redistribution, try
using the "summary address" command on Router B instead of the "area range"
command.
BJ
----- Original Message -----
From: John Neiberger
To: [EMAIL PROTECTED]
Sent: Saturday, March 17, 2001 5:59 PM
Subject: VLSM, OSPF, and redistribution into IGRP
I'm working through a scenario in the new Sybex CCIE study guide and I can't
get it to work, even using their suggested workaround. Here's the scenario:
RouterA <--OSPF--> RouterB <--IGRP--> RouterC
RouterA has two different /27 links, one of which is connected to RouterB.
The connecting link is 10.1.2.0/27 and its other link is 10.1.1.32/27.
The link between RouterB and RouterC is a /24, 10.1.3.0. The purpose of the
scenario is to demonstrate that the /27 networks will not be redistributed
in IGRP because the masks are different on each side of RouterB. To remedy
this problem, the book suggests summarizing the /27 networks as /24 which
would allow them to be redistributed into a classful protocol. Following
the instructions, on RouterB I added:
router ospf 1
area 0 range 10.1.1.0 255.255.255.0
Supposedly, this would work but it does not. Closer to their example, I
even tried "area 0 range 10.1.1.32 255.255.255.0". Am I doing it
incorrectly or is their suggestion wrong? I worked around this problem by
creating a summarized static route on RouterB and then redistributing
static, but I wanted to make it work like in their example.
So, redistribution gurus, what's the story? I quickly looked through
Doyle's book and I haven't seen this specific example yet.
Any ideas?
Many thanks,
John
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