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EIGRP Routers NOT learnt

Unanswered Question
Mar 17th, 2014
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Hi All,

There is a DSL backup link in our WAN environment. whenever Primary link goes down , Routers are NOT learnt from Backup link. it required eigrp reset at DMVPN Hub router.

have you ever facing such kind of issues.. please let me know what factors to be checked...

Router ID got changed recently ..that I know....

Thanks
Sri

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paul driver Mon, 03/17/2014 - 09:17
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Hello

 

You dont say how your topology is setup  for Dwvpn.

Is it a dual or single hub and spoke design?

 

Can you post (if applicable) your hub and possibly one of the spoke routers running config?

 

res

Paul

s.kanth Mon, 03/17/2014 - 09:33
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Hi Paul,

 

it is dual DMVPN.

Configuration is attached...

HUB Router

interface Tunnel1
 bandwidth 100000
 ip address 10.33.0.1 255.255.0.0
 ip access-group testicmp out
 no ip redirects
 ip mtu 1400
 no ip next-hop-self eigrp 1
 no ip split-horizon eigrp 1
 no ip next-hop-self eigrp 10
 no ip split-horizon eigrp 10
 ip flow ingress
 ip flow egress
 ip nhrp authentication 111
 ip nhrp map multicast dynamic
 ip nhrp network-id 101
 ip tcp adjust-mss 1200
 load-interval 30
 delay 10
 cdp enable
 tunnel source GigabitEthernet0/2
 tunnel mode gre multipoint
 tunnel key 111
 tunnel protection ipsec profile ocbackupvpn shared
end

!
interface Tunnel14
 bandwidth 1500
 ip address 10.44.0.1 255.255.0.0
 no ip redirects
 ip mtu 1400
 no ip next-hop-self eigrp 1
 no ip split-horizon eigrp 1
 ip nhrp authentication 222
 ip nhrp map multicast dynamic
 ip nhrp network-id 202
 ip nhrp holdtime 10
 ip nhrp registration timeout 5
 ip tcp adjust-mss 1200
 load-interval 30
 delay 10
 tunnel source GigabitEthernet0/2
 tunnel mode gre multipoint
 tunnel key 222
 tunnel protection ipsec profile ocbackupvpn shared
end

--------------------------------

Spoke router

interface Tunnel1
 bandwidth 1024
 ip address 10.33.0.8 255.255.0.0
 no ip redirects
 ip mtu 1400
 ip nhrp authentication 111
 ip nhrp map multicast dynamic
 ip nhrp map 10.33.0.1 *.*.*.*
 ip nhrp map multicast *.*.*.*
 ip nhrp network-id 101
 ip nhrp nhs 10.33.0.1
 delay 10
 tunnel source Dialer1
 tunnel mode gre multipoint
 tunnel key 111
 tunnel protection ipsec profile ocbackupvpn shared
end

 

Musab Imdad Wed, 03/19/2014 - 06:33
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Put the following command under spoke's tunnel config.

ip nhrp registration non-unique

 

Musab

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