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Chapter 10 Quality of Service (QoS)
VMG5313-B10A/-B30A Series User’s Guide
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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 VMG replaces the DSCP field in the
packets.
If you select Unchange, the VMG keep the DSCP field in the packets.
802.1P Mark Select a priority level with which the VMG replaces the IEEE 802.1p priority field in the
packets.
If you select Unchange, the VMG keep the 802.1p priority field in the packets.
VLAN ID If you select Remark, enter a VLAN ID number with which the VMG replaces the VLAN ID of
the frames.
If you select Remove, the VMG deletes the VLAN ID of the frames before forwarding them
out.
If you select Add, the VMG treat all matched traffic untagged and add a second VLAN ID.
If you select Unchange, the VMG keep the VLAN ID in the packets.
Forward to
Interface
Select a WAN interface through which traffic of this class will be forwarded out. If you select
Unchange, the VMG forward traffic of this class according to the default routing table.
To Queue Index Select a queue that applies to this class.
You should have configured a queue in the Queue Setup screen already.
Table 49 Class Setup: Add/Edit (continued)
LABEL DESCRIPTION