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EIGRP advertised routes - not what I expected

Posted on 2009-07-02
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Last Modified: 2012-05-07
Hi,

I have a fairly easy EIGRP question...see diagram.

I want to have router A and router B configured with EIGRP so that when the Primary microwave wireless link goes down the spread spectrum backup link comes up after the hold time has expired. I also want to be able to advertise all the networks behind each router as follows:

Router A                              Router B
10.10.10.0 /30                     10.10.30.0 /30
10.10.20. /30                       192.168.5.0 /24
172.16.0.0 /20

There is a Layer 3 switch on 172.16.15.254 which is the default gateway for the 172.16.0.0 LAN and I am thinking that this might be used to advertise the relevant networks it connects to however when i turned on EIGRP 100 is wasn't recognised by router A.

Site B's design is a bit screwed up but that will be changing soon to be the same topology as Site A. But that isn't too important right now, I just need to get this failover working.

Site A Router config
--------------------
interface GigabitEthernet0/0
 description Primary Wireless
 bandwidth 100000
 ip address 10.0.0.1 255.255.255.0
 ip mask-reply
 no ip proxy-arp
 ip flow ingress
 ip flow egress
 duplex auto
 speed auto
!
interface GigabitEthernet0/1
 description Link to 3650G (L3 Switch) Port G0/2 (Subnet 10.10.10.0/30)
 ip address 10.10.10.2 255.255.255.252
 ip mask-reply
 no ip proxy-arp
 ip flow ingress
 ip flow egress
 duplex auto
 speed auto
!
interface FastEthernet0/3/0
 description Backup Wireless
 bandwidth 18000
 ip address 10.1.0.1 255.255.255.0
 ip mask-reply
 duplex auto
 speed auto
!
router eigrp 100
 network 10.0.0.0 0.0.0.255
 network 10.1.0.0 0.0.0.255
 network 10.10.10.0 0.0.0.3
 no auto-summary

Site B Router config
--------------------
interface GigabitEthernet0/0
 description Site B LAN
 ip address 192.168.5.1 255.255.255.0
 ip mask-reply
 no ip proxy-arp
 ip flow ingress
 duplex auto
 speed auto
!
interface GigabitEthernet0/1
 description Primary Wireless
 bandwidth 100000
 ip address 10.0.0.6 255.255.255.0
 ip mask-reply
 no ip proxy-arp
 ip flow ingress
 duplex auto
 speed auto
!
interface FastEthernet0/3/0
 description Backup Wireless
 bandwidth 18000
 ip address 10.1.0.6 255.255.255.0
 ip mask-reply
 duplex auto
 speed auto
!
router eigrp 100
 network 10.0.0.0 0.0.0.255
 network 10.1.0.0 0.0.0.255
 network 192.168.5.0 0.0.0.255
 no auto-summary

Thanks a lot.

Ally

EIGRP-failover--EE-.jpg
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Question by:ally0000
2 Comments
 
LVL 50

Assisted Solution

by:Don Johnston
Don Johnston earned 500 total points
ID: 24762101
Is there something that isn't working? If it's the Router A - switch issue, we'll need to see the config of that switch.

Beyond that, if the MW link is running at 1gb, why do you have the bandwidth set to 100mb? (not that it would matter)


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Accepted Solution

by:
ally0000 earned 0 total points
ID: 24762348
Hi,

Took another look at the config and did a quick test there, it's all working fine.

Thanks for looking, I'll give you the points and close.

Cheers

Ally
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