Re: Changing AD of Redistributed Route on same router and Putty

From: Matt Bentley (mattdbentley@gmail.com)
Date: Tue Jul 01 2008 - 22:39:03 ART


Thanks for the very very quick replies. To my knowledge, it is installed in
the RIP. BTW, route-maps not causing problem as I've tried w/o and gotten
the same result. Thanks.

Rack1R2#sh ip route 136.1.4.0
Routing entry for 136.1.4.0/24
* Known via "ospf 1", distance 110, *metric 27906, type inter area
  Redistributing via eigrp 100
  Advertised by eigrp 100 metric 10000 1000 100 1 1500 route-map OSPF->EIGRP
  Last update from 136.1.245.5 on Serial1/0, 00:12:30 ago
  Routing Descriptor Blocks:
  * 136.1.245.5, from 150.1.4.4, 00:12:30 ago, via Serial1/0
      Route metric is 27906, traffic share count is 1

Rack1R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Rack1R2(config)#router eigrp 100
Rack1R2(config-router)#disan
Rack1R2(config-router)#dist
Rack1R2(config-router)#distan
Rack1R2(config-router)#*distance 50 0.0.0.0 255.255.25.255 10*
Rack1R2(config-router)#exit
Rack1R2(config)#*access-list 10 permit 136.1.4.0*
Rack1R2(config)#end
Rack1R2#clear ip route
*Mar 1 01:32:11.487: %SYS-5-CONFIG_I: Configured from console by console
Rack1R2#clear ip route *
Rack1R2#sh ip route 136.1.4.0
Routing entry for 136.1.4.0/24
* Known via "ospf 1", distance 110*, metric 27906, type inter area
  Redistributing via eigrp 100
  Advertised by eigrp 100 metric 10000 1000 100 1 1500 route-map OSPF->EIGRP
  Last update from 136.1.245.5 on Serial1/0, 00:00:04 ago
  Routing Descriptor Blocks:
  * 136.1.245.5, from 150.1.4.4, 00:00:04 ago, via Serial1/0
      Route metric is 27906, traffic share count is 1

On Tue, Jul 1, 2008 at 9:28 PM, Dale Kling <dalek77@gmail.com> wrote:

> One thing comes to mind real quick when I think about this. Suppose you
> redistribute that route from OSPF to EIGRP and that route went to some other
> router in the EIGRP domain and got advertised back to the border router and
> then you changed the AD of the EIGRP Ext. to 109 or lower. OSPF would then
> lose ownership of the route in the route table and couldn't advertise it to
> EIGRP anymore. Uh oh, we have issues now. This would be good for you to see
> the "debug ip routing" of this effect.
>
> regards,
>
> Dale
>
>
> On Tue, Jul 1, 2008 at 9:12 PM, Matt Bentley <mattdbentley@gmail.com>
> wrote:
>
>> Hi GS:
>>
>> This is probably a ridiculously simply something I've forgotten. However,
>> here goes.
>>
>> A router, running two IGPs (let's say OSPF and EIGRP). Mutual
>> redistribution between the two IGPs. There is a route in the OSPF domain
>> that I want the router to install in the routing table as EIGRP so the
>> rest
>> of its EIGRP neighbors can have connectivity to it. I had thought this
>> would have taken care of it. Can you not redistribute one a router and
>> then
>> change administrative distance to have it installed as some other route?
>> Thanks in advance. BTW, for those interested in a tabbed putty, this does
>> nicely
>>
>> http://puttycm.free.fr/
>>
>> 136.1.4.0 is from OSPF domain, but I wanted it installed on the same
>> router
>> that is redistributing as an EIGRP route
>>
>> router ospf 1
>> redistribute eigrp 100 subnets
>>
>>
>> router eigrp 100
>> redistribute ospf 1 metric 1 1 1 1 1
>> distance 50 0.0.0.0 255.255.255.255 5
>>
>> access-list 5 permit 136.1.4.0
>>
>>
>> _______________________________________________________________________
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