Re[2]: VLSM ---> FLSM or OSPF --> IGRP

From: Stanislav Sinyagin (SSinyagin@xxxxxx)
Date: Tue Jan 11 2000 - 15:59:51 GMT-3


   
then, you need a 150.100.5.x/x route coming from another area (and use
area range) or from another protocol into OSPF (then use
summary-address).

As a last resort, create another loopback with 150.100.5.x/x, put it in
areaY, and say area Y range...

however, you need a 150.100.5.0/24 IN YOUR OSPF, in order to
redistribute it into IGRP. There's no other way to do it.

Stan

Hinshaw, Darrel <DHinshaw@amfm.com> wrote:
HD> Stan,

HD> Although I applaud your solution. How would you do within the following
HD> constraints:

HD> No Statics routes.
HD> Full connectivity as tested by pings.
HD> One Process of each utilized routing protocol.

HD> BTW... This router is part of a much bigger lab scenario and I DO NEED the
HD> area x range commands.

HD> Regards,

HD> Darrel.

HD> PS Here is some additional information I sent to the list last night.
>>
>> If I remove the Summary-Address commands and then add them back I get a
>> 150.100.5.0/24 route to null0 (Expected). I do a wr mem...reboot and guess
>> what no 150.100.5.0/24 to null0. If I go through the previously mentioned
>> process it will reappear. Does the fact that I am summarizing an address
>> assigned to a Loopback have anything to do with it? I'm just wondering if
>> Loopback's come up so quickly that the summary-address has to be reapplied
>> to take effect. I appreciate any input here.

HD> -----Original Message-----
HD> From: Stanislav Sinyagin [mailto:SSinyagin@mtu.ru]
HD> Sent: Tuesday, January 11, 2000 4:03 AM
HD> To: Darrel E. Hinshaw; CCIE List (E-mail)
HD> Subject: Re: VLSM ---> FLSM or OSPF --> IGRP

HD> Yeah, I found the solution:

HD> On R2,

HD> router ospf 1
HD> redistribute igrp 1 subnets
HD> network 150.100.4.0 0.0.0.255 area 0
HD> network 150.100.5.8 0.0.0.3 area 0
HD> !
HD> router ospf 2
HD> summary-address 150.100.5.0 255.255.255.0
HD> redistribute ospf 1 subnets
HD> !
HD> router igrp 1
HD> redistribute ospf 2
HD> network 150.100.0.0
HD> default-metric 64 100 200 100 1500

HD> that's it. It works fine in my lab (interfaces are different,
HD> but addressing is the same):

HD> R3#sh ip ro

HD> <skipped>

HD> 150.100.0.0/24 is subnetted, 4 subnets
HD> C 150.100.128.0 is directly connected, Serial0
HD> C 150.100.129.0 is directly connected, FastEthernet0
HD> I 150.100.4.0 [100/8486] via 150.100.128.1, 00:00:29, Serial0
HD> I 150.100.5.0 [100/158350] via 150.100.128.1, 00:00:29, Serial0

HD> is there anybody to drink some beer in Brussels, Jan 16, Sunday ?
HD> My flight comes Jan 15, and I'll have a day to kill...

HD> Stan

--
Stanislav Sinyagin              MTU-Inform, Moscow
Tel. (+7) (095) 725 2991   Fax (+7) (095) 258 7870
E-mail: SSinyagin@mtu.ru         http://www.mtu.ru


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