... VPN Client/Server,IPSec m2m EDGE Routers for Transportation,bus,Monitoring and Control Systems F3323 EDGE ... always online3. Support firewall and packet filter4. Support multi protocols , such as TCP/IP,UDP,ICMP, ... IP16. Can be used as PPP server. Support multi authentication method, such as PAP,CHAP,CHAP-MS ... ,CHAP-MSV217. Support multi debug method, such as web, console debug and ...