Hi, I'm a beginner with vpns trying to follow Cisco's guides but now i am stucked with this lan-to-lan vpn over adsl config between 806 routers. I made the following so far but it works not. Could you please take a look on it. What's wrong with it? ROUTER_A: .... vpdn enable ! vpdn-group pppoe accept-dialin protocol pppoe ! crypto isakmp policy 5 hash md5 authentication pre-share crypto isakmp key PASSWORD address xx.yy.zzz.96 ! crypto isakmp peer address xx.yy.zzz.96 ! crypto ipsec transform-set vpnbol esp-des esp-md5-hmac ! crypto map vpn 5 ipsec-isakmp set peer xx.yy.zzz.96 set transform-set vpnbol match address 120 .... interface Ethernet1 description --- Connected to ADSL --- no ip address ip tcp adjust-mss 1452 pppoe enable pppoe-client dial-pool-number 1 no cdp enable crypto map vpn .... interface Dialer1 ip address negotiated ip mtu 1492 ip nat outside encapsulation ppp dialer pool 1 dialer-group 1 no keepalive no cdp enable ppp authentication pap callin ppp pap sent-username password 7 PASSWORD crypto map vpn .... ip nat inside source list 1 interface Dialer1 overload .... ip route 0.0.0.0 0.0.0.0 Dialer1 .... access-list 1 permit 192.168.1.0 0.0.0.255 access-list 10 permit 213.163.0.0 0.0.0.255 access-list 120 permit ip 192.168.1.0 0.0.0.15 10.0.0.0 0.0.0.15 dialer-list 1 protocol ip permit ROUTER_B's config is the same except: hostname, peer name, e0 config, TIA, Balazs