2、配置地址池和ACL
ASA-Qingdao(config)# ip local pool vpn_pool192.168.8.100-192.168.8.200 mask 255.255.255.0
ASA-Qingdao(config)# access-listSPLIT_TUNNEL standard permit 10.31.34.0 255.255.255.0
ASA-Qingdao(config)# access-listSPLIT_TUNNEL standard permit 172.31.15.0 255.255.255.0
ASA-Qingdao(config)# access-listSPLIT_TUNNEL standard permit 172.16.0.0 255.255.255.0