I configured Dual Hub IPSec with preshared keys over GRE Tunnels.
(1-st tunnel to Hub A, 2-nd tunnel to Hub B)
Tunnel to Hub A is up & down to Hub B. How can I fix it?
.
Follwing messages in log on spoke routers
*Mar 3 20:42:03.631: %CRYPTO-4-RECVD_PKT_NOT_IPSEC: Rec'd packet not an IPSEC p
acket. (ip) vrf/dest_addr= /172.16.0.26, src_addr= 172.16.0.2, prot= 47
Hub A
Crypto Map "ua" 10 ipsec-isakmp
Peer = 172.16.0.26
Extended IP access list 150
access-list 150 permit gre host 172.16.0.50 host 172.16.0.26
Current peer: 172.16.0.58
Security association lifetime: 4608000 kilobytes/3600 seconds
PFS (Y/N): N
Transform sets={ des, }
Interfaces using crypto map ua:
Serial0/0.200
Hub B
Crypto Map "ua" 10 ipsec-isakmp
Peer = 172.16.0.26
Extended IP access list 150
access-list 150 permit gre host 172.16.0.2 host 172.16.0.26
access-list 150 permit gre host 172.16.0.2 host 172.16.0.18
Transform sets={ des, }
Interfaces using crypto map ua:
Serial0/0.200
sh crypto isakmp sa
172.16.0.2 172.16.0.26 QM_IDLE 2 0
sh crypto engine connections active
2 Fa0/0.300 172.16.0.2 set HMAC_MD5+DES_56_CB 0 0
Spoke
Crypto Map "kiev" 10 ipsec-isakmp
Peer = 172.16.0.50
Peer = 172.16.0.2
Extended IP access list 115
access-list 115 permit gre host 172.16.0.26 host 172.16.0.50
access-list 115 permit gre host 172.16.0.26 host 172.16.0.2
Current peer: 172.16.0.50
Security association lifetime: 4608000 kilobytes/3600 seconds
PFS (Y/N): N
Transform sets={
des,
}
Interfaces using crypto map kiev:
FastEthernet0
