Hi All, I need to configure the PIX firewall to let the multicast traffic passing through. Does anyone know what is the protocol/port number for the following: - Cisco IP/TV - Microsoft Media Player - *.asf and *.nsc video streaming file Thanks in advance. Francis Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=19780&t=19780 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]