RS1-RTR#show running-config 
Building configuration...

Current configuration : 1562 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname RS1-RTR
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
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!
no ip domain lookup
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
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ip tcp synwait-time 5
! 
!         
crypto isakmp policy 1
 encr aes 256
 authentication pre-share
 group 5
crypto isakmp key 6 ipsecpass address 11.11.11.6
!
!
crypto ipsec transform-set ipsecset esp-aes esp-sha-hmac 
!
crypto map ipsecmap 10 ipsec-isakmp 
 set peer 11.11.11.6
 set transform-set ipsecset 
 match address 101
!
!
!
!
interface FastEthernet0/0
 description RS1-RTR__ISP-CE-RTR2
 ip address 22.22.22.6 255.255.255.252
 ip virtual-reassembly
 duplex auto
 speed auto
 crypto map ipsecmap
!
interface FastEthernet0/1
 description RS1-LAN-NW
 ip address 10.0.2.1 255.255.255.0
 ip virtual-reassembly
 duplex auto
 speed auto
!
router ospf 1
 log-adjacency-changes
 network 22.22.22.4 0.0.0.3 area 20
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 22.22.22.5
!
!
no ip http server
no ip http secure-server
ip nat source list NAT interface FastEthernet0/0 overload
!
access-list 101 permit ip 10.0.2.0 0.0.0.255 10.0.1.0 0.0.0.255
no cdp log mismatch duplex
!
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control-plane
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line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

RS1-RTR#