Allied Telesis AT-S63 - Manual (Page 256)

Chapter 15: Quality of Service
256 Section II: Advanced Operations
ToS
Specifies a replacement value to write into the Type of Service (ToS)
field of IPv4 packets. The range is 1 to 7.
Move ToS to Priority
If set to Yes, replaces the value in the 802.1p priority field with the
value in the ToS priority field on IPv4 packets. If set to No, which is the
default, the packets retain their preexisting 802.1p priority level.
Move Priority to ToS
If set to Yes, replaces the value in the ToS priority field with the value in
the 802.1p priority field on IPv4 packets. If set to No, which is the
default, the packets retain their preexisting ToS priority level.
Classifier List
The classifiers assigned to the flow group.