ospf-core

interface Tunnel63 AKA working..
 description *** TUN200 ***
 bandwidth 10000000
 ip address 172.31.0.197 255.255.255.252
 ip mtu 1476
 ip tcp adjust-mss 1436
 ip ospf message-digest-key 1 md5 7 081156692F03
 ip ospf network non-broadcast
 keepalive 5 2
 tunnel source 172.19.139.253
 tunnel destination 10.55.163.170
 tunnel path-mtu-discovery
 tunnel vrf LEVEL3
end

interface Tunnel43 AKA failing..
 description *** TUN100 ***
 bandwidth 10000000
 ip address 172.31.0.97 255.255.255.252
 ip mtu 1476
 ip tcp adjust-mss 1436
 ip ospf message-digest-key 1 md5 7 0955742709513
 ip ospf network non-broadcast
 keepalive 5 2
 tunnel source 10.254.3.202
 tunnel destination 10.55.163.170
 tunnel path-mtu-discovery
end


router ospf 1
 router-id 10.1.0.1
 log-adjacency-changes
 area 0 authentication message-digest
 redistribute connected subnets route-map RM_CONN_TO_OSPF
 redistribute static subnets route-map RM_STATIC_TO_OSPF
 network 172.31.0.0 0.0.255.255 area 0
 neighbor 172.31.0.198
 neighbor 172.31.0.98