5. サンプルコンフィグレーション 1. 1812J-A hostname 1812J-A ! ip cef ! pseudowire-class L2TPv3 encapsulation l2tpv3 ip local interface Loopback0 ! crypto isakmp policy 1 encr 3des hash md5 authentication pre-share group 2 crypto isakmp key cisco address 64.104.2.1 crypto isakmp keepalive 30 periodic! crypto ipsec transform-set IPSEC esp-3des esp-md5-hmac ! crypto map L2TPv3-I