ZyXEL Communications P-3202HN-Ba, Руководство пользователя

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Chapter 14 Quality of Service (QoS)
IAD User’s Guide
169
See Appendix F on page 313 for a list of commonly-used services. The following
table describes the labels in this screen.
Table 53 QoS Class Configuration
LABEL DESCRIPTION
Class
Configuration
Active
Select the check box to enable this classifier.
Name Enter a descriptive name of up to 20 printable English keyboard
characters, including spaces.
Interface Select from which interface traffic of this class should come.
Priority Select a priority level (between 0 and 7) or select Auto to have the
IAD map the matched traffic to a queue according to the internal QoS
mapping table. See
Section 14.5.4 on page 177 for more information.
"0" is the lowest priority level and "7" is the highest.
Routing Policy Select the next hop to which traffic of this class should be forwarded.
Select By Routing Table to have the IAD use the routing table to find
a next hop and forward the matched packets automatically.
Select To Gateway Address to route the matched packets to the
router or switch you specified in the Gateway Address field.
WAN Index This field in not configurable at the time of writing.
Gateway
Address
Enter the IP address of the gateway, which should be a router or
switch on the same segment as the IAD’s interface(s), that can
forward the packet to the destination.
Order This shows the ordering number of this classifier. Select an existing
number for where you want to put this classifier and click Apply to
move the classifier to the number you selected. For example, if you
select 2, the classifier you are moving becomes number 2 and the
previous classifier 2 gets pushed down one.
Tag Configuration
DSCP Value
Select Same to keep the DSCP fields in the packets.
Select Auto to map the DSCP value to 802.1 priority level
automatically.
Select Mark to set the DSCP field with the value you configure in the
field provided.
802.1Q Tag Select Same to keep the priority setting and VLAN ID of the frames.
Select Auto to map the 802.1 priority level to the DSCP value
automatically.
Select Remove to delete the priority queue tag and VLAN ID of the
frames.
Select Mark to replace the 802.1 priority field and VLAN ID with the
value you set in the fields below.
Select Add to treat all matched traffic untagged and add a second
priority queue tag and VLAN.