this may help.

來源: 於 2009-09-15 10:16:03 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

http://web.wenxuecity.com/BBSView.php?SubID=smsh&MsgID=5011
although the ATA is different, however, the configuration should be the same for the forwarding part.