如何架設Multi-session PPPoE server

因為測試需要架設一個PPPoE server模擬日本ISP所提供的服務,
一條線可以有兩個帳號同時連線.
但是我只會架single的PPPoE server,
有沒有人知道有什麼軟體或套件可以模擬這樣的環境?
不管是在windows server或linux系統上的都行!
請各位大大幫個忙,小妹感激不盡....!!

[URL="http://www.die.net/doc/linux/man/man8/pppoe-relay.8.html"]pppoe-relay(8): user-space PPPoE relay agent - Linux man page[/URL]
[URL="http://roaringpenguin.luky.org/pppoe/"]PPPoE - Roaring Penguin Software[/URL]

[URL="http://www.nat32.com/"]NAT32 IP Router[/URL]
[URL="http://www.nat32.com/nat32e/htm/testbed.htm"]HOW TO set up a RASPPPoE Server[/URL]
[indent][b]Limitations[/b]

Windows 2000 Professional allows only two such connections to be in place simultaneously. Windows 2000 Server (and higher) supports more than two simultaneous RASPPPoE connections.

NAT32 supports up to 8 such connections.[/indent]