From: Ajaz Nawaz (anawaz@xxxxxxxxx)
Date: Fri Oct 19 2001 - 03:20:34 GMT-3
> or will it use the highest it can (RID) when the ospf process is started
such as in my scenario.
Yes :-)
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Timothy Ouellette
Sent: 19 October 2001 00:07
To: ccielab@groupstudy.com
Subject: CCbootcamp Lab #1
Greetings all. I just wanted to get some feedback from you experts out
there. I'm pretty much done bootcamp lab #1 after having to look up a
couple of things I think i've completed it. I have a question and what I
believe is the answer but i'd just like some clarification. Here's the
deal with the lab
R4 (10.34.1.1) ----------- (10.34.1.2) R3
| / \
| lo0 lo1
| (10.44.1.1) (10.44.2.1)
(area 0)
The connection between R4 and R3 over the dotted line is a standard
serial. Both of those int's area in area 0. R4's other serial interface
is in area 0. I put r3's lo0 and lo1 interface's into area 3. So
therefor I needed a virtual link. I configured on r4 the virtual link
to r3 using 10.34.1.2 and then the virtual link from r3 to r4 using
10.34.1.1. I thought this would work but I was getting the following
error
%ospf-4-errcv: Received invalied packet: mismatch area ID, from
backbone area must be virtual-link but not found from 10.34.1.2, Serial1
So since I was almost done the lab, I looked stuff up and also peeked at
the configs supplied with the bootcamps and my config matched that of
the answers. I did see on the answers that r4 had an ospf neighbor of
10.44.2.1 Which is the IP of the lo1 of r3. So thinking in my head
"hey, that wasn't the virtual-link ip that I provided, WTF" Thinking
that was the problem, I went back to r3. Removed the loopbacks, killed
the ospf process, and re-pasted it down. I made sure the rtid was
10.34.1.2 and then re-added my loopbacks and then again made sure the
RtID was still 10.34.1.2
I then went back to r4 and that message stopped appearing and I had all
my proper routes there. Good troubleshooting I guess?
My question is even though I may have answered it. If you configure
loopback's on a box, will they automatically insert their IP's as the
RTID or will it use the highest it can when the ospf process is started
such as in my scenario.
Did the bootcamp folks have to do it this way to get it work as well.
Thanks for any insight you guys may have.
Tim
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