crypto isakmp policy 1
 encr 3des
 authentication pre-share
 group 2
 lifetime 3600
crypto isakmp key cisco address 192.168.1.197
crypto gdoi group grp1
 identity number 1
 server address ipv4 192.168.1.197
crypto map cm1 10 gdoi
 set group grp1
interface serial0/0
 crypto map cm1