RE: OSPF/IGRP VLSM Question

From: McCallum, Robert (Robert.McCallum@xxxxxxxxxxxxxxxxxx)
Date: Tue Jan 23 2001 - 13:59:21 GMT-3


   
I think I have encountered this before. When you do a traceroute do you see
the packets looping about in every direction apart from the way they
"should" go? I had an occasion when for some reason the default network was
taking precedence over directly connected routes. The way I got around it
was to use redistribute blah igrp subnets. This then redistributed all my
networks that I required to be redistributed.

Maybe this is completely way off at another tangent. If so, sorry!

Enjoy!

-----Original Message-----
From: Jerry Hutcheson [mailto:jhutches@cisco.com]
Sent: 23 January 2001 19:44
To: Alan Basinger
Cc: ccielab@groupstudy.com
Subject: RE: OSPF/IGRP VLSM Question

Alan,

Currently R4 can see the network but cannot ping any addresses. Except its
link to R3. The same with R3.

jerry

At 11:43 AM 1/22/2001 -0600, Alan Basinger wrote:
>Can R4 see the major network that you redistributed from R1?
>
>-----Original Message-----
>From: Jerry Hutcheson [mailto:jhutches@cisco.com]
>Sent: Monday, January 22, 2001 12:47 PM
>To: Alan Basinger
>Subject: RE: OSPF/IGRP VLSM Question
>
>
>I have ip classless on all routers still having problem. I can get it to
>work when I have to send a default route to R4 using the address from the
>RIP network unfortunatley I have to summarize two addresses coming from the
>RIP network. When I summarize them nothing seems to work.
>
>jerry
>
>At 08:45 PM 1/21/2001 -0600, Alan Basinger wrote:
>>Have you made sure you have ip-classless on r3 and r4? I had the same
>>problem when I forgot to turn on ip classless on R4 after using the
command
>>it propagated the default network to R4
>>
>>Alan Basinger
>>Systems Engineer
>>SBC DataComm
>>Houston Texas
>>abasinge@swbell.net
>>
>> | |
>> ||| |||
>> .|||||. .|||||.
>>.:|||||||||:.:|||||||||:.
>> C i s c o S y s t e m s
>> Certified Gold Partner
>>
>>
>>
>>-----Original Message-----
>>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
>>Jerry Hutcheson
>>Sent: Sunday, January 21, 2001 11:40 PM
>>To: ccielab@groupstudy.com
>>Subject: OSPF/IGRP VLSM Question
>>
>>
>>I apologize for asking this question again. But I appear to have something
>>wrong. I have a lab network that looks like this:
>>
>>R1 -------------------------
>>R2-------------------------------------R3--------------------------------R
4
>.
>>
>>R1 is redistributing Rip into OSPF, the networks are 192.1.95.0/24 on the
>>RIP side and 134.1.125.0/24 Area 1 on the OSPF side to R2. Then
>> R2 is connected to R3 via OSPF using network 134.1.253.0/22 Area 0. All
of
>>this works fine and I can see the Rip network throughout all of my other
>>routers. However I am trying to mutually redistribute from R3 OSPF into
>>IGRP, the network is 134.1.34.0/24, as well as send a default route
>>downstream to R4.
>>
>>I can get the default route to show up in the R4 routing table, but once I
>>do this or attempt any redistribution commands I am unable to ping any of
>my
>>upstream interfaces from R3 or R4. I put in the area range command on R3
to
>>summarize the 134.1.253.0/22 network to a /24, and I used the
192.1.95.0/24
>>network as my ip default network so I would have a network outside of
>normal
>>address range. But I have had no luck being able to ping these upstream
>>routers. I have been working on this for a couple of days and have tried
>>some of the suggestions on this site but nothing seems to work. Any help
>you
>>can give would be greatly appreciated.
>>
>>thanks,
>>
>>Jerry Hutcheson
>>



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