Owner manual

2-24 Firmware User Guide
The Diffserv Rule screen appears.
• Name – Enter a name in this field to label the rule.
• Protocol – Select the protocol from the pop-up menu: TCP (default), UDP, ICMP, or Other. “Other” is
appropriate for setting up rules on protocols with non-standard port definitions. IPSEC and PPTP are
common examples.
• Priority – This is the Quality of Service setting for the rule, based on the TOS bit information. Select
assure, expedite, or off (default) from the pop-up menu. The following table outlines the TOS bit settings
and behavior:
• Numerical Protocol – If you select “Other” protocol, this field appears for you to provide its actual protocol
number, with a range of 0 – 255.
• Direction – Choose outbound (default), inbound, or both from the pop-up menu.
• Start Port – For TCP or UDP protocols, you can optionally specify a range of ports. Enter the starting port
here.
• End Port – Enter the ending port here.
QoS Setting TOS Bit Value Behavior
off TOS=000 This custom rule is disabled. You can activate it by selecting one of
the two settings below. This setting allows you to pre-define flows
without actually activating them.
assure TOS=001 Use normal queuing and throughput rules, but do not drop packets
if possible. Appropriate for applications with no guaranteed delivery
mechanism.
expedite TOS=101 Use minimum delay. Appropriate for VoIP and video applications.
Diffserv Rule
Name:
Protocol... TCP
Priority... off
Direction... outbound
Start Port: 0
End Port: 0
Inside Ip Address: 0.0.0.0
Inside Ip Netmask: 0.0.0.0
Outside Ip Address: 0.0.0.0
Outside Ip Netmask: 0.0.0.0
COMMIT CANCEL
Return accepts * ESC cancels * Left/Right moves insertion point * Del deletes.