Configuring the ECN330-switch
3431553-KDU 137 365 Uen D 2006-06-16
3. Set an ACL mask to enable filtering for the criteria specified in the Class
Map. (See “Configuring an IP ACL Mask” on page 168 or “Configuring a
MAC ACL Mask” on page 170.)
4. Use the “Policy Map” to designate a policy name for a specific manner in
which ingress traffic will be handled.
5. Add one or more classes to the Policy Map. Assign policy rules to each class
by “setting” the QoS value to be assigned to the matching traffic class. The
policy rule can also be configured to monitor the average flow and burst rate,
and drop any traffic that exceeds the specified rate, or just reduce the DSCP
service level for traffic exceeding the specified rate.
6. Use the “Service Policy” to assign a policy map to a specific interface.
6.15.1.1 Configuring a Class Map
A class map is used for matching packets to a specified class.
Command Usage
• To configure a Class Map, follow these steps:
• Open the Class Map page, and click Add Class.
• When the Class Configuration page opens, fill in the “Class Name”
field, and click Add.
• When the Match Class Settings page opens, specify type of traffic
for this class based on an access list, a DSCP or IP Precedence
value, or a VLAN, and click the Add button next to the field for the
selected traffic criteria. Only one item can be specified to match
when assigning ingress traffic to a class map.
• The class map uses the Access Control List filtering engine, so an ACL
mask must also be set to enable filtering for the criteria specified in the
Class Map. See “Configuring an IP ACL Mask” on page 168 or
“Configuring a MAC ACL Mask” on page 170 for information on
configuring an appropriate ACL mask.
• The class map is used with a policy map (page 346) to create a service
policy (page 350) for a specific interface that defines packet
classification, service tagging, and bandwidth policing. Note that one or
more class maps can be assigned to a policy map.
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