IPS-3082GC-AT
User’s Manual
ORing Industrial Networking Corp
58
The following table describes the labels in this screen
COS/802.1p
COS (Class Of Service) is well known as 802.1p. It describes
that the output priority of a packet is determined by user
priority field in 802.1Q VLAN tag. The priority value is
supported 0to7.COS value map to 4 priority queues: High,
Middle, Low, and Lowest.
COS Port Default
When an ingress packet has not VLAN tag, a default priority
value is considered and determined by ingress port.
Apply
Click “
Apply
” to set the configurations.
Help
Show help file.
5.1.9.4 TOS/DSCP
TOS/DSCP interface
The following table describes the labels in this screen
TOS/DSCP
TOS (Type of Service) is a field in IP header of a packet. This
TOS field is also used by Differentiated Services and is called
the Differentiated Services Code Point (DSCP). The output
priority of a packet can be determined by this field and the
priority value is supported 0to63. DSCP value map to 4
priority queues: High, Middle, Low, and Lowest.
Apply
Click “
Apply
” to set the configurations.
Help
Show help file.
