Secure Computing SG300 User Manual page 128

Click Enable and enter the Outbound Speed (upstream speed) of this interface's
network connection in megabits per second. Click Finish.
Note
If you have a PPTP or PPPoE connection to the Internet, enter approximately 80 – 90%
of the speed that the ISP supplied to account for protocol overheads.
ToS traffic shaping
Traffic shaping provides a level of control over the relative performance of various types
of IP traffic. The traffic shaping feature of your SG unit allows you to allocate High,
Medium, or Low priority to the following services such as domain (tcp), domain (udp),
ftp, ftp-data, http, https, imap, irc, nntp, ntp, pop3, smtp, ssh, and telnet.
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Network Setup