ZyXEL Communications Corporation VMG1312T10C 用户手册
Chapter 9 Quality of Service (QoS)
VMG1312-T10C User’s Guide
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9.5 The QoS Policer Setup Screen
Use this screen to configure QoS policers that allow you to limit the transmission rate of incoming
traffic. Click Network Setting > QoS > Policer Setup. The screen appears as shown.
traffic. Click Network Setting > QoS > Policer Setup. The screen appears as shown.
Figure 84
Network Setting > QoS > Policer Setup
The following table describes the labels in this screen.
DSCP
Mark(0~63)
This field is available only when you select IPv4 (0x0800) in the Ether Type field.
If you select Mark, enter a DSCP value with which the Device replaces the DSCP field in
the packets.
the packets.
If you select Unchange, the Device keep the DSCP field in the packets.
802.1Q Tag
If you select Remark, select a priority level (in the Ethernet Priority field) and enter a
VLAN ID number (in the VLAN ID field) with which the Device replaces the IEEE 802.1p
priority field and VLAN ID of the frames.
priority field and VLAN ID of the frames.
If you select Remove, the Device deletes the VLAN ID of the frames before forwarding
them out.
them out.
If you select Add, the Device treat all matched traffic untagged and add a second
priority level and VLAN ID that you specify in the Ethernet Priority and VLAN ID
fields.
priority level and VLAN ID that you specify in the Ethernet Priority and VLAN ID
fields.
If you select Same, the Device keep the Ethernet Priority and VLAN ID in the packets.
To configure the Ethernet Priority, you can either select a priority number in the first
drop-down list box (7 is the highest and 0 is the lowest priority) or select an application
from the second drop-down list box which automatically maps to the corresponding
priority number. (Key Net Traffic: 7; Voice: 6; Video: 5; IGMP: 4; Key Data: 3)
drop-down list box (7 is the highest and 0 is the lowest priority) or select an application
from the second drop-down list box which automatically maps to the corresponding
priority number. (Key Net Traffic: 7; Voice: 6; Video: 5; IGMP: 4; Key Data: 3)
VLAN ID
Select this option and enter the source VLAN ID in this field.
OK
Click this to save your changes.
Cancel
Click this to exit this screen without saving.
Table 43
Class Setup: Add/Edit (continued)
LABEL
DESCRIPTION
Table 44
Network Setting > QoS > Policer Setup
LABEL
DESCRIPTION
Add new Policer Click this to create a new entry.
#
This is the index number of the entry.
Status
This field displays whether the policer is active or not. A yellow bulb signifies that this
policer is active. A gray bulb signifies that this policer is not active.
policer is active. A gray bulb signifies that this policer is not active.
Name
This field displays the descriptive name of this policer.
Regulated
Classes
Classes
This field displays the name of a QoS classifier.
Meter Type
This field displays the type of QoS metering algorithm used in this policer.