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

OL-26645-02

Chapter 12 Configuring Traffic Policies

Configuring Rules and Actions for Policy Maps

Setting Policy Map Rules and Actions for Layer 7 SIP Deep Packet

Inspection

Use this procedure to configure the rules and actions for a SIP deep packet inspection policy map.

Assumptions

• A SIP deep packet inspection policy map has been configured.

• A class map has been defined for a class map rule if you do not want to use the class-default class

map.

Procedure

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

Step 2 In the Policy Maps table, select the SIP deep packet inspection policy map you want to set rules and

actions for. The Rule table appears.

Step 3 In the Rule table, click Add to add a new rule, or select the rule you want to modify, and then click Edit.

The Rule screen appears.

Step 4 In the Type field, configure rules using the information in Table 12-31.

Table 12-31 Layer 7 SIP Deep Packet Inspection Policy Map Rules

Option Description

Class Map Specify a class map to use for this traffic policy:

1. To use the class-default class map, check the Use Class Default check box.

The class-default class map is a reserved, well-known class map created by the ACE. You

cannot delete or modify this class. All traffic that fails to meet the other matching criteria in

the named class map belongs to the default traffic class. If none of the specified classifications

matches the traffic, then the ACE performs the action specified by the class-default class map.

The class-default class map has an implicit match any statement that enables it to match all

traffic.

2. To use a previously created class map:

a. Clear the Use Class Default check box.

b. In the Class Map Name field, select the class map to be used.

Match Condition Specify a match condition to use for this traffic policy:

1. In the Match Condition field, enter a name for this match condition. Valid entries are unquoted

text strings with no spaces and a maximum of 64 alphanumeric characters.

2. In the Match Condition Type field, select the type of match condition to use for this policy

map and configure any type-specific options using the information in Table 5-7.

Insert Before

1. Indicate whether this rule is to precede another rule for this policy map.

–

N/A—This option is not configured.

–

False—This rule is not to precede another rule in this policy map.

–

True—This rule is to precede another rule in this policy map.

2. If you select True, the Insert Before Policy Rule field appears. Select the rule that you want

the current rule to precede.

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