IPSEC Problem between MSR2003 Router and VSR1008 Router

[eozturk01]

Hello all,

im having trouble setting up ipsec tunnel between two routers, vsr router is working behind one to one nat and 

when i checked the ip i can reach it, so its working correctly, but its unable to establish the ipsec session

any help would be appriciated.

Regards,

Erdem

MSR Configuration

#
interface GigabitEthernet2/0/1
 port link-mode route
 ip address 91.93.188.206 255.255.255.248
 ospf timer hello 2
 ospf timer dead 10
 ospf network-type p2mp unicast
 ospf timer poll 2
 ospf 2 area 0.0.0.1
 ipsec apply policy msr
#
acl advanced 3000 match-order auto
 rule 0 permit ip source 172.16.101.0 0.0.0.255 destination 10.142.20.0 0.0.0.255
 rule 1 permit ip source 172.16.102.0 0.0.0.255 destination 10.142.20.0 0.0.0.255
#
 ipsec anti-replay window 1024
 ipsec sa global-duration traffic-based 86400
 ipsec sa idle-time 120
#
ipsec transform-set msr
 esp encryption-algorithm 3des-cbc 
 esp authentication-algorithm md5 
#
ipsec policy-template msr 1
 transform-set msr 
 security acl 3000 
 remote-address 88.238.51.202
 ike-profile msr
 reverse-route dynamic
 reverse-route preference 10
 reverse-route tag 100
#
ipsec policy msr 1 isakmp template msr
#
 ike identity address 91.93.188.206
 ike nat-keepalive 5
#
ike profile msr
 keychain msr
 exchange-mode aggressive
 local-identity address 91.93.188.206
 match remote identity address 88.238.51.202 255.255.255.255
 proposal 1 
#
ike proposal 1
 encryption-algorithm 3des-cbc
 dh group2
 authentication-algorithm md5
#
ike keychain msr
 pre-shared-key address 88.238.51.202 255.255.255.255 key cipher $c$3$p/GPavNSjkBGsE89MMJhRJOsKq+vhJC85xz2
#
ip route-static 10.142.20.0 24 GigabitEthernet2/0/1 88.238.51.202
#

VSR Configuration

#
interface GigabitEthernet1/0
 port link-mode route
 ip address 10.142.20.6 255.255.255.0
 ospf timer hello 2
 ospf timer dead 10
 ospf network-type p2mp unicast
 ospf dr-priority 2
 ospf timer poll 2
 ospf 2 area 0.0.0.1
 ipsec apply policy vsr
#
acl advanced 3000 match-order auto
 rule 0 permit ip source 10.142.20.0 0.0.0.255 destination 172.16.101.0 0.0.0.255
 rule 1 permit ip source 10.142.20.0 0.0.0.255 destination 172.16.102.0 0.0.0.255
#
 ipsec anti-replay window 1024
 ipsec sa global-duration traffic-based 86400
 ipsec sa idle-time 120
#
ipsec transform-set vsr
 esp encryption-algorithm 3des-cbc 
 esp authentication-algorithm md5 
#
ipsec policy-template vsr 1
 transform-set vsr 
 security acl 3000 
 remote-address 91.93.188.206
 ike-profile vsr
 reverse-route dynamic
 reverse-route preference 10
 reverse-route tag 100
#
ipsec policy vsr 1 isakmp template vsr
#
 ike identity address 88.238.51.202
 ike nat-keepalive 5
#
ike profile vsr
 keychain vsr
 exchange-mode aggressive
 local-identity address 88.238.51.202
 match remote identity address 91.93.188.206 255.255.255.255
 proposal 1 
#
ike proposal 1
 encryption-algorithm 3des-cbc
 dh group2
 authentication-algorithm md5
#
ike keychain vsr
 pre-shared-key address 91.93.188.206 255.255.255.255 key cipher $c$3$p/GPavNSjkBGsE89MMJhRJOsKq+vhJC85xz2
#
ip route-static 10.142.20.0 24 GigabitEthernet2/0/1 88.238.51.202
#