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Redistribution Between Two EIGRP Autonomous Systems

Posted on 2011-03-24
Last Modified: 2012-05-11
Hello experts,
I am trying to get EIGRP redistribution working between two organizations.  I set up the configuration as seen here but none of the routes from AS100 are being redistributed to AS104 & visa-versa.  Any ideas?

Thanks in advance.

Question by:SpokaneISD
LVL 17

Expert Comment

ID: 35212822
have you tried changing the metric?

so instead of having redistribute eigrp 100 metric 1 1 0 1 1 enter redistribute eigrp 100 metric 1 1 1 1 1.

The 0 you entered is for the value of reliability, though i have never tried entering 0 for any value before, I think it might be causing the issue.

Expert Comment

ID: 35212906
I think you should add a secondary ip address between router interface, and assign to different AS, like this sample: - RTR1 ---------------------------- RTR2 -   Secondary                                  Secondary

router eigrp 104
redistribute eigrp 100
router eigrp 100

router eigrp 100
redistribute eigrp 104
router eigrp 104
LVL 17

Expert Comment

ID: 35213920
There is no need for the secondary address as neighbors are only formed using the primary addresses, and data packets are sourced using the primary address. You only need to make sure that all networks that are required to communicate with eachother are correctly configured using the network command.

Also you are not required to enter the metric when redistributing eigrp into another eigrp process. This is mainly used when redistributing a different routing protocol into eigrp.
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Expert Comment

ID: 35214332
You could always use BGP between the two routers, use EIGRP as the iBGP. Quite a simple config

Author Comment

ID: 35233088
I will change the reliability metric to 1 & retest later this week.  I'll post my results then. Thanks.

Accepted Solution

SpokaneISD earned 0 total points
ID: 35471410
I have not been able to reschedule a test with the other organization.  I will have to cancel this for now & re-submit if necessary.

Author Closing Comment

ID: 35499811
I have been unable to schedule a re-test with the other organization.

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