Solved

DMVPN GRE Routes Not Appearing

Posted on 2014-07-28
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Last Modified: 2015-08-16
Hello Experts,

Can someone please take a look at my configuration and let me know why I can't view any routes going over the tunnels.

As a matter of fact the tunnels haven't come up at all.

I have attached the configs and an image....


jmeu-hertford01#term len 0
jmeu-hertford01#show ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

D    217.24.54.0/24 [90/30720] via 213.123.174.226, 00:13:26, FastEthernet0/0
D    193.113.135.0/24
           [90/30720] via 213.123.174.226, 00:13:26, FastEthernet0/0
     172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C       172.16.0.0/24 is directly connected, Tunnel0
D       172.16.0.0/16 is a summary, 00:13:26, Null0
     213.123.174.0/24 is variably subnetted, 2 subnets, 2 masks
D       213.123.174.0/24 is a summary, 00:13:26, Null0
C       213.123.174.224/30 is directly connected, FastEthernet0/0
D    192.168.2.0/24 [90/33280] via 213.123.174.226, 00:13:27, FastEthernet0/0
D    192.168.3.0/24 [90/33280] via 213.123.174.226, 00:13:27, FastEthernet0/0
jmeu-hertford01#show ip nhrp detail
172.16.0.1/32 via 172.16.0.1, Tunnel0 created 00:13:45, never expire
  Type: static, Flags: authoritative used
  NBMA address: 193.113.135.70
jmeu-hertford01#

meu-london-colo01#show ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

D    217.24.54.0/24 [90/30720] via 193.113.135.69, 00:13:28, FastEthernet0/1
     193.113.135.0/24 is variably subnetted, 2 subnets, 2 masks
D       193.113.135.0/24 is a summary, 00:13:28, Null0
C       193.113.135.64/26 is directly connected, FastEthernet0/1
     172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C       172.16.0.0/24 is directly connected, Tunnel0
D       172.16.0.0/16 is a summary, 00:32:26, Null0
D    213.123.174.0/24 [90/30720] via 193.113.135.69, 00:13:28, FastEthernet0/1
D    192.168.2.0/24 [90/33280] via 193.113.135.69, 00:13:29, FastEthernet0/1
C    192.168.3.0/24 is directly connected, FastEthernet0/0
jmeu-london-colo01#show ip nhrp detail
172.16.0.2/32 via 172.16.0.2, Tunnel0 created 00:32:44, expire 01:27:16
  Type: dynamic, Flags: authoritative unique registered
  NBMA address: 217.24.54.90
172.16.0.3/32 via 172.16.0.3, Tunnel0 created 00:13:46, expire 01:46:13
  Type: dynamic, Flags: authoritative unique registered
  NBMA address: 213.123.174.225
jmeu-london-colo01#

jmeu-redwitz01# term len 0
jmeu-redwitz01#show ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

     217.24.54.0/24 is variably subnetted, 2 subnets, 2 masks
C       217.24.54.88/29 is directly connected, FastEthernet0/1
D       217.24.54.0/24 is a summary, 00:32:22, Null0
D    193.113.135.0/24 [90/30720] via 217.24.54.89, 00:32:22, FastEthernet0/1
     172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C       172.16.0.0/24 is directly connected, Tunnel0
D       172.16.0.0/16 is a summary, 00:32:22, Null0
D    213.123.174.0/24 [90/30720] via 217.24.54.89, 00:32:22, FastEthernet0/1
C    192.168.2.0/24 is directly connected, FastEthernet0/0
D    192.168.3.0/24 [90/33280] via 217.24.54.89, 00:32:23, FastEthernet0/1
jmeu-redwitz01#show ip nhrp detail
172.16.0.1/32 via 172.16.0.1, Tunnel0 created 00:32:45, never expire
  Type: static, Flags: authoritative used
  NBMA address: 193.113.135.70
jmeu-redwitz01#

Your help will be greatly appreciated ...

Cheers

cpatte7372
jmeu-hertford01.txt
jmeu-london-colo01.txt
jmeu-redwitz01.txt
dmvpn-shot.png
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Question by:cpatte7372
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7 Comments
 

Author Comment

by:cpatte7372
ID: 40226419
Experts,

I'm very surprised there wasn't an expert available/capable of assisting me with this ..

Not good...
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LVL 32

Accepted Solution

by:
harbor235 earned 500 total points
ID: 40226508
Try adding specific network cmds via eigrp, if you wanted to enable eigrp on all interfaces you should add
network 0.0.0.0 255.255.255.255

See if the tunnels come up

harbor235 ;}
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Author Comment

by:cpatte7372
ID: 40226689
I will try that
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Author Comment

by:cpatte7372
ID: 40226757
That didn't work mate.
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LVL 32

Expert Comment

by:harbor235
ID: 40226809
Which one did you try? Can hertford ping 213.123.174.226 and 193.113.135.70 ?


harbor235 ;}
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Author Comment

by:cpatte7372
ID: 40227632
The solution was applying an access list to allow for gre traffic...
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Author Closing Comment

by:cpatte7372
ID: 40932063
Thank you
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