ZyXEL Communications UAG4100, Руководство пользователя

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Chapter 30 Bandwidth Management
UAG4100 User’s Guide
288
30.2.1 The Bandwidth Management Add/Edit Screen
The Configuration > BWM Add/Edit screen allows you to create a new condition or edit an
existing one. To access this screen, go to the Configuration > BWM screen (see Section 30.2 on
page 286 ), and click either the Add icon or an Edit icon.
Destination This is the destination address or address group for whom this policy applies. If any
displays, the policy is effective for every destination.
DSCP Code This is the DSCP value of the incoming or outgoing packets to which this policy applies.
any means all DSCP values or no DSCP marker.
default means traffic with a DSCP value of 0. This is usually best effort traffic.
Service This is the service object to which this policy applies. If any displays, the policy is effective
for every service.
BWM In/Pri/Out/
Pri This field shows the amount of bandwidth the traffic can use.
In - This is how much inbound bandwidth, in kilobits per second, this policy allows the
matching traffic to use. Inbound refers to the traffic the UAG sends to a connection’s
initiator. If
no displays here, this policy does not apply bandwidth management for the
inbound traffic.
Out - This is how much outgoing bandwidth, in kilobits per second, this policy allows the
matching traffic to use. Outbound refers to the traffic the UAG sends out from a
connection’s initiator. If
no displays here, this policy does not apply bandwidth
management for the outbound traffic.
Pri - This is the priority for the incoming (the first Pri value) or outgoing (the second Pri
value) traffic that matches this policy. The smaller the number, the higher the priority.
Traffic with a higher priority is given bandwidth before traffic with a lower priority. The UAG
ignores this number if the incoming and outgoing limits are both set to 0. In this case the
traffic is automatically treated as being set to the lowest priority (7) regardless of this
field’s configuration.
DSCP Marking This is how the UAG handles the DSCP value of the incoming and outgoing packets that
match this policy.
preserve means the UAG does not modify the DSCP value of the route’s packets.
default means the UAG sets the DSCP value of the route’s packets to 0.
If this field displays a DSCP value, the UAG applies that DSCP value to the route’s packets.
The “ af ” choices stand for Assured Forwarding. The number following the “ af ” identifies
one of four classes and one of three drop preferences. See Section 12.4 on page 169 for
more details.
Apply Click Apply to save your changes back to the UAG.
Reset Click Reset to return the screen to its last-saved settings.
Table 134
Configuration > BWM (continued)
LABEL DESCRIPTION