送交者: steven 于 2008-12-05, 12:23:51:

回答: e.g 由 JJZ 于 2008-12-05, 12:21:11:

• you are right, - JJZ (104 bytes) 2008-12-05, 13:10:42 (281505)
  • that functionality provided by the gateway router. - steven (33 bytes) 2008-12-05, 14:11:23 (281541)
    • you are right, L2 Tunneling is part of the TCP/IP family now. (无内容) - steven (0 bytes) 2008-12-05, 16:09:17 (281601)
    • well, L2TP (Layer 2 Tunnel Protocol) supports encrypted tunnels over IP network. - JJZ (38 bytes) 2008-12-05, 15:40:55 (281591)

加跟贴