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tbrooks25

2 Posts

10222

July 9th, 2007 17:00

PC 6024 & Cisco 2620 ospf/eigrp issues

Ok I'm going nuts and running out of ideas. I work in a school district and we have Cisco at most of our locations all of which work fine running eigrp. So I have eigrp running between the cisco at our main office and the cisco at the school location. I'm having trouble getting eigrp and ospf to co-operate together between the school's Cisco router and the schools PC 6024. Here are my configurations below as regards to ospf and eigrp. Right now at the main office I have to enter static routes to get any traffic to/from that school instead of eigrp taking care of it. I am using the default 0.0.0.0 area on the Dell Switch.

======= PC 6024 - 10.100.187.2 =======
ip route 0.0.0.0 0.0.0.0 10.100.187.1
router ospf enable
router ospf redistribute connected
router ospf router-id 10.100.187.2
interface ip 10.100.187.2
ospf
exit
interface ip 10.100.187.2
ospf cost 1
exit

========== Cisco 2620 - 10.100.187.1 ==========
router eigrp 100
redistribute connected
redistribute ospf 1
network 10.0.0.0
no auto-summary
!
router ospf 1
redistribute eigrp 100 subnets
network 10.100.0.0 0.0.255.255 area 0.0.0.0

sentinel-master

345 Posts

February 3rd, 2008 13:00


Looking at you config on the "6024" you have enabled OSPF - but not the OSPF Area that subnets

reside. Since OSPF LSA (link state advertisements) are very specifc about which areas ca advertised to others - please add the Area 0.0.0.0 to your 6024.

 

The Cisco IOS has the area command already in the defintion

6024

Console (config)# router ospf area 0.0.0.0

 

 

And I would strongly advise the use of route-maps on the Cisco 2620 to control re-distribution - so you do not create black hole routing scnearios.

 

Hopefully you are still not using static routes.....

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