Hello

Kindly;Check the following config(VPN Virtual Tunel Interface) for me


RA
Router-A#sh run
Building configuration...

Current configuration : 1706 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router-A
!
boot-start-marker
boot-end-marker
!
enable password cisco
!
no aaa new-model
!
resource policy
!
memory-size iomem 5
ip subnet-zero
!
!
ip cef    
no ip domain lookup
no ip dhcp use vrf connected
!
!
no ip ips deny-action ips-interface
!
no ftp-server write-enable
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!         
!
crypto isakmp policy 10
 encr aes
 authentication pre-share
 group 2
crypto isakmp key 6 cisco123 address 193.1.1.1 no-xauth
no crypto isakmp ccm
!
!
crypto ipsec transform-set ali esp-aes esp-sha-hmac 
!
crypto ipsec profile VTI
!
!
!
!
interface Tunnel0
 ip address 192.168.3.1 255.255.255.0
 tunnel source 192.1.1.1
 tunnel destination 193.1.1.1
 tunnel mode ipsec ipv4
 tunnel protection ipsec profile VTI
!         
interface FastEthernet0/0
 ip address 192.168.1.1 255.255.255.0
 duplex auto
 speed auto
!
interface Serial1/0
 no ip address
 shutdown
 serial restart-delay 0
 no dce-terminal-timing-enable
!
interface Serial1/1
 ip address 192.1.1.1 255.255.255.0
 serial restart-delay 0
 no dce-terminal-timing-enable
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
 no dce-terminal-timing-enable
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
 no dce-terminal-timing-enable
!
no ip http server
no ip http secure-server
ip classless
ip route 192.168.2.0 255.255.255.0 Tunnel0
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!         
!
!
alias exec s sh ip interface brief
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
line vty 0 4
 password cisco
 login
!
!
end

RB#
ROUTER-B#sh run 
Building configuration...

Current configuration : 1876 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname ROUTER-B
!
boot-start-marker
boot-end-marker
!
enable password cisco
!
no aaa new-model
!
resource policy
!
memory-size iomem 5
ip subnet-zero
!
!
ip cef    
no ip domain lookup
no ip dhcp use vrf connected
!
!
no ip ips deny-action ips-interface
!
no ftp-server write-enable
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!         
!
crypto isakmp policy 10
 encr aes
 authentication pre-share
 group 2
crypto isakmp key 6 cisco123 address 192.1.1.1 no-xauth
no crypto isakmp ccm
!
!
crypto ipsec transform-set ali esp-aes esp-sha-hmac 
!
crypto ipsec profile VTI
!
!
!
!
interface Tunnel0
 ip address 192.168.3.2 255.255.255.0
 tunnel source 193.1.1.1
 tunnel destination 192.1.1.1
 tunnel mode ipsec ipv4
 tunnel protection ipsec profile VTI
!         
interface Ethernet0/0
 ip address 192.168.2.1 255.255.255.0
 half-duplex
!
interface Ethernet0/1
 no ip address
 shutdown
 half-duplex
!
interface Ethernet0/2
 no ip address
 shutdown
 half-duplex
!
interface Ethernet0/3
 no ip address
 shutdown
 half-duplex
!
interface Serial1/0
 no ip address
 shutdown
 serial restart-delay 0
 no dce-terminal-timing-enable
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
 no dce-terminal-timing-enable
!
interface Serial1/2
 ip address 193.1.1.1 255.255.255.0
 serial restart-delay 0
 no dce-terminal-timing-enable
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
 no dce-terminal-timing-enable
!
no ip http server
no ip http secure-server
ip classless
ip route 192.168.1.0 255.255.255.0 Tunnel0
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
alias exec s sh ip interface brief
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
line vty 0 4
 password cisco
 login
!
!
end

ROUTER-B# 
ROUTER-B#sh crypto isakmp sa
dst             src             state          conn-id slot status