أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
TCP port need to be allowed
it will work ,try to put TCP in allowed.
if it don't work ,put permit based on source IP and destination IP with any port.
Please refer the document
http://www.cisco.com/en/US/tech/tk/technologies_configuration_example6ad.shtml#md5auth