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the output port. The default priority for all ingress ports is zero. 
Therefore, any inbound frames that do not have priority tags will be 
placed in queue 0 of the output port. (Note that if the output port is an 
untagged member of the associated VLAN, these frames are stripped of 
all VLAN tags prior to transmission.)
For tagged frames, the precedence for priority mapping is IP DSCP and 
then default port priority.
Monitor users have no access to this page.
To configure CoS Settings:
1 Click Device > QoS > CoS> Setup. The CoS Setup Page opens:
Figure 88   CoS Setup Page
The CoS Setup Page contains the following fields:
■ Select Ports — Selects the ports to be configured.
■ Set default — Sets the default user priority. The possible field values 
are 0-7, where 0 is the lowest and 7 is the highest priority.
■ Restore Default — Restores the device factory defaults for CoS 
values.
2 Define the fields.
3 Click  . CoS is configured on the device, and the device is 
updated.