Chapter 8 Quality of Service (QoS)
eircom F1000 Modem User’s Guide
144
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 Device replaces the DSCP field in the 
packets.
If you select 
Unchange
, the Device keep the DSCP field in the packets.
802.1P Mark
Select a priority level with which the Device replaces the IEEE 802.1p priority field in the 
packets.
If you select 
Unchange
, the Device keep the 802.1p priority field in the packets.
VLAN ID
If you select 
Remark
, enter a VLAN ID number with which the Device replaces the VLAN ID 
of the frames.
If you select 
Remove
, the Device deletes the VLAN ID of the frames before forwarding 
them out.
If you select 
Add
, the Device treat all matched traffic untagged and add a second VLAN ID.
If you select 
Unchange
, the Device 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 Device forward traffic of this class according to the default routing table.
Table 48 
Class Setup: Add/Edit (continued)
LABEL
DESCRIPTION