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DCS-3950 series Ethernet switch manual

Command mode: Global Mode

Default: QoS is disabled by default.

Usage Guide: QoS provides 8 queues to handle traffics of 8 priorities. This function

cannot be used with the traffic control function.

Example: Enable and then disabling the QoS function.

Switch(config)#mls qos

Switch(config)#no mls qos

24.2.2.2 class-map

Command: class-map <class-map-name>

no class-map <class-map-name>

Function: Create a class map and enters class map mode; the ‘no class-map

<class-map-name>‘ command deletes the specified class map.

Parameters: <class-map-name> is the class map name.

Default: No class map is configured by default.

Command mode: Global Mode

Usage Guide: N/A

Example: Create and then deleting a class map named ‘c1’.

Switch(config)#class-map c1

Switch(config)#no class-map c1

24.2.2.3 match

Command: match {access-group <acl-index-or-name> | ip dscp <dscp-list>| ip

precedence <ip-precedence-list>|vlan <vlan-list>|cos<cost-list>}

no match {access-group | ip dscp | ip precedence | vlan |cos }

Function: Configure the match standard of the class map; the ‘no’ form of this command

deletes the specified match standard..

Parameter: access-group <acl-index-or-name> match specified ACL,the parameters

are the number or name of the ACL;ip dscp <dscp-list> match specified DSCP value,

the parameter is a list of DSCP consisting of maximum 8 DSCP values;ip precedence

<ip-precedence-list> match specified IP Precedence, the parameter is a IP Precedence

list consisting of maximum 8 IP Precedence values with a valid range of 0～7; vlan

vlan-list> match specified VLAN ID, the parameter is a VLAN ID list consisting of

maximum 8 VLAN IDs. <cost-list> match specified cos value, the parameter is a COS

list consisting of maximum 8 Cos.

Default: No match standard by default

Command mode: Class-map Mode

Usage Guide: Only one match standard can be configured in a class map. When

configuring match the ACL, only the permit rule is available in the ACL except for PBR.

Example: Create a class-map named c1, and configure the class rule of this class-map to

match packets with IP Precedence of 0.1.

Switch(config)#class-map c1

Digitalchina Networks DCS-3950 series User Manual

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