ASA Version 8.0(3) 
!
hostname remoteasa
names
name X.Y.Z.Y CentralLAN
!
interface Vlan1
 nameif inside
 security-level 100
 ip address A.B.C.D 255.255.255.0 
!
interface Vlan2
 nameif outside
 security-level 0
 ip address E.F.G.2 255.255.255.252 
!
interface Ethernet0/0
!
interface Ethernet0/1
 switchport access vlan 2
!
[...]
access-list inside_nat0_outbound extended permit ip A.B.C.0 255.255.255.0 CentralLAN 255.255.255.0 
access-list outside_1_cryptomap extended permit ip A.B.C.0 255.255.255.0 CentralLAN 255.255.255.0 
[...]
global (outside) 1 interface
nat (inside) 0 access-list inside_nat0_outbound
nat (inside) 1 0.0.0.0 0.0.0.0
route outside 0.0.0.0 0.0.0.0 E.F.G.1 1
crypto ipsec transform-set ESP-AES-128-SHA esp-aes esp-sha-hmac 
crypto ipsec transform-set ESP-AES-256-SHA esp-aes-256 esp-sha-hmac 
crypto map outside_map 1 match address outside_1_cryptomap
crypto map outside_map 1 set pfs 
crypto map outside_map 1 set peer I.J.K.L
crypto map outside_map 1 set transform-set ESP-AES-256-SHA
crypto map outside_map interface outside
crypto isakmp enable outside
crypto isakmp policy 10
 authentication pre-share
 encryption aes
 hash sha
 group 2
 lifetime 86400
no crypto isakmp nat-traversal
[...]
tunnel-group I.J.K.L type ipsec-l2l
tunnel-group I.J.K.L ipsec-attributes
 pre-shared-key *