Cos/802.1P - Emerson PACSystems SLM080 User Manual

PACSystems Ethernet Switch SLM080 User Manual
GFK-3125A
5.2.6.3

COS/802.1p

Figure 36: COS/802.1p
The following table describes the labels in this screen
Label
COS/802.1p
COS Port Default
Apply
Help
Web Management
Description
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 .
When an ingress packet has not VLAN tag, a default priority value is
considered and determined by ingress port .
Click " Apply " to set the configurations.
Show help file.
Section 5
Jan 2020
50