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EIGRP Redistribution Question

AlessandroAlise
Level 1
Level 1

Hy Guys, i have a problem with Redistribution in EIGRP, this is Topology:

AlessandroAlise_0-1668901627348.png

R1 has attached the subnet 192.168.100/24,192.168.10/24, 192.168.20/24 and 10.0.0.0/30
R2 has attached the subnet 192.168.200/24,192.168.50/24, and 10.0.0.0/30
R1 and R2 are in the same Routing Domain EIGRP 12, the adjacency is UP, this is configuration of EIGRP:

R1:


router eigrp 12
network 10.0.0.0 0.0.0.3
passive-interface GigabitEthernet0/0
distribute-list route-map PERMITTED out
eigrp router-id 1.1.1.1

EIGRP-IPv4 Neighbors for AS(12)
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
0 10.0.0.2 Gi0/1 13 00:27:52 1 100 0 52

R2:


router eigrp 12
network 10.0.0.0 0.0.0.3
passive-interface GigabitEthernet0/0
eigrp router-id 2.2.2.2

 

EIGRP-IPv4 Neighbors for AS(12)
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
0 10.0.0.1 Gi0/1 10 00:28:09 1 100 0 20

This is

Prefix-List

and

Route-Map

for redistribution from R1 to R2:

ip prefix-list PERMIT seq 10 permit 192.168.10.0/24
ip prefix-list PERMIT seq 20 permit 192.168.100.0/24

route-map PERMITTED permit 10
match ip address prefix-list PERMIT
route-map PERMITTED deny 20

But R1 does not advertise the subnets contained in the

prefix-list

 PERMITTED.

Why?

Maybe because the network 192.168.0.0 0.0.255.255 is missing within the EIGRP process?

I understood that the

route-map

also regulates the interfaces participating in the EIGRP process, am I wrong?

Thx

 

 

 

15 Replies 15

I am glad that it is working and that you have a better understanding of why some eigrp routes have AD of 90 and other eigrp routes have AD of 170.  Thank you for marking this question as solved. This will help other participants in the community to identify discussions which have helpful information. This community is an excellent place to ask questions and to learn about networking. I hope to see you continue to be active in the community.

HTH

Rick
Review Cisco Networking for a $25 gift card