ZyXEL Communications P-660HN-51 User Manual page 184

Table 74 Class Setup: Add/Edit (continued)
LABEL DESCRIPTION
Service This field is available only when you select IP in the Ether Type field.
This field simplifies classifier configuration by allowing you to select a predefined
application. When you select a predefined application, you do not configure the
rest of the filter fields.
IP Protocol This field is available only when you select IP in the Ether Type field.
Select this option and select the protocol (service type) from TCP, UDP, ICMP or
IGMP. If you select User defined, enter the protocol (service type) number.
DHCP This field is available only when you select IP in the Ether Type field.
Select this option and select a DHCP option.
If you select Vendor Class ID (DHCP Option 60), enter the Vendor Class Identifier
(Option 60) of the matched traffic, such as the type of the hardware or firmware.
If you select User Class ID (DHCP Option 77), enter a string that identifies the user's
category or application type in the matched DHCP packets.
Packet Length This field is available only when you select IP in the Ether Type field.
Select this option and enter the minimum and maximum packet length (from 46 to
1500) in the fields provided.
DSCP This field is available only when you select IP in the Ether Type field.
Select this option and specify a DSCP (DiffServ Code Point) number between 0
and 63 in the field provided.
802.1P This field is available only when you select 802.1Q in the Ether Type field.
Select this option and select a priority level (between 0 and 7) from the drop-down
list box.
"0" is the lowest priority level and "7" is the highest.
VLAN ID This field is available only when you select 802.1Q in the Ether Type field.
Select this option and specify a VLAN ID number.
TCP ACK This field is available only when you select IP in the Ether Type field.
If you select this option, the matched TCP packets must contain the ACK
(Acknowledge) flag.
Exclude Select this option to exclude the packets that match the specified criteria from this
classifier.
DSCP Mark This field is available only when you select IP in the Ether Type field.
If you select Mark, enter a DSCP value with which the Zyxel Device replaces the
DSCP field in the packets.
If you select Unchange, the Zyxel Device keep the DSCP field in the packets.
802.1P Mark Select a priority level with which the Zyxel Device replaces the IEEE 802.1p priority
field in the packets.
If you select Unchange, the Zyxel Device keep the 802.1p priority field in the
packets.
Chapter 17 Quality of Service (QoS)
P-660HN-51 User's Guide
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