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Chapter 5: Setting Up and Configuring the Router
QoS Tab - DSCP Settings
4-Port SSL/IPSec VPN Router
QoS Tab - DSCP Settings
Traffic priorities can be specified in the IP header of a frame. With Differentiated Services Code Point
(DSCP)-based QoS in Layer 3, the Router can use the priority bits in the Type of Service (ToS) octet to prioritize
traffic. If priority bits are used, the ToS octet may contain three bits for IP Precedence or six bits for DSCP service.
DSCP-based
DSCP. This is the DSCP value in the incoming packet.
Queue. Select the traffic forwarding queue number to which the DSCP priority is mapped. You can designate up to
four traffic priority queues configured on the
Queue Settings
screen.
Restore Defaults. To reset this screen to the factory default queue settings, click the
Restore Defaults
button.
The defaults are
1
for DSCP values 0-15,
2
for DSCP values 16-31, and
3
for DSCP values 32-63.
Click the
Save Settings
button to save your changes, or click the
Cancel Changes
button to undo your changes.
Figure 5-47: QoS Tab - DSCP Settings