Cisco Explorer 4700 Installation Guide download pdf (Page 428)

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Device Manager Guide, Cisco ACE 4700 Series Application Control Engine Appliance

OL-26645-02

Chapter 12 Configuring Traffic Policies

Configuring Virtual Context Class Maps

Related Topics

• Configuring Virtual Context Policy Maps, page 12-34

• Setting Match Conditions for Class Maps, page 12-10

• Configuring Virtual Context Policy Maps, page 12-34

• Configuring Rules and Actions for Policy Maps, page 12-36

Configuring Virtual Context Class Maps

Class maps are used to define each Layer 3 and Layer 4 traffic class and each Layer 7 protocol class.

You create class maps to classify the traffic received and transmitted by the ACE appliance.

• Layer 3 and Layer 4 traffic classes contain match criteria that identify the IP network traffic that can

pass through the ACE appliance or network management traffic that can be received by the ACE

appliance.

• Layer 7 protocol-specific classes identify:

–

Server load balancing, based on generic, HTTP, RADIUS, RTSP, or SIP traffic

–

HTTP or SIP traffic for deep inspection

–

FTP traffic for inspection of commands

A traffic class contains:

• A class map name

• One or more match commands that define the match criteria for the class map

• Instructions on how the ACE appliance evaluates match commands when there is more than one

match command in a traffic class

Note To successfully delete a class map from a context, the class map must no longer be in use. To delete

multiple class maps, none of the class maps must be in use. If you attempt to delete multiple class maps

and one of the class maps is still in use, none of the class maps are deleted and a message appears stating

that one of the class maps is in use. Remove the class map that is still in use from your selection, and

then click Delete. The selected class maps are removed.

Procedure

Step 1 Choose Config > Virtual Contexts > context > Expert > Class Maps. The Class Maps table appears.

Step 2 Click Add to add a new class map, or select an existing class map, and then click Edit to modify it.

Step 3 The Name field contains an automatically incremented number for the class map. You can leave the

number as it is or enter a different, unique number.

Step 4 In the Class Map Type field, select the type of class map you are creating (Table 12-3).

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