To change priority-queue mapping, use the following command in EXEC mode:
Command Purpose
Switch<config>#qos cos …… Set the mapping between 802.1P priorities and 4
internal queues
To set Port Based QOS, use the following command in EXEC mode:
Command Purpose
Switch<config>#qos port-based …. Set the priority of the port
9.2.3 802.1P Based QOS A packet with an 802.1P header has a priority value which will be assigned to the packet by the switch.
9.2.4 IP Based QOS The priority of an IP packet can be assigned based on the IP Precedence or DSCP value.
To set IP Precedence QOS, use the following command in EXEC mode:
Command Purpose
Switch<config>#qos qos-advanced ip-precedence Enable IP precedence QOS
Switch<config>#qos ip-precedence … Set mapping between IP precedence value
and the internal queues.
To set DSCP QOS, use the following command in EXEC mode:
Command Purpose
Switch<config>#qos qos-advanced dscp Enable IP DSCP QOS
Switch<config>#qos dscp … Set mapping between DSCP value and the 8
priorities.
64 Asante IC3724PWR User’s Manual