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8-20
Device Manager Guide, Cisco ACE 4700 Series Application Control Engine Appliance
OL-26645-01
Chapter 8 Configuring Parameter Maps
Configuring SIP Parameter Maps
Configuring SIP Parameter Maps
SIP parameter maps allow you to configure SIP deep-packet inspection policy maps on the ACE.
Use this procedure to configure a SIP parameter map.
Procedure
Step 1 Choose Config > Virtual Contexts > context > Load Balancing > Parameter Maps > SIP Parameter
Maps. The SIP Parameter Maps table appears.
Step 2 Click Add to add a new parameter map, or select an existing parameter map, and then click Edit to
modify it. The SIP Parameter Maps configuration screen appears.
Step 3 Configure the parameter map using the information in Table 8-9.
Table 8-9 SIP Parameter Map Attributes
Field Description
Parameter Name Enter a unique name for the parameter map. Valid entries are unquoted text strings with no
spaces and a maximum of 64 alphanumeric characters.
Description Brief description of the parameter map. Enter a text string with a maximum of
240 alphanumeric characters (A–Z, a–z, 0–9). Spaces and special characters are allowed.
Double quotes must be entered as matching pairs.
Instant Messaging Check the check box to enable instant messaging (IM) over SIP after it has been disabled.
Clear this check box to disable this feature.
Logging All Check the check box to enable the logging of all received and transmitted packets in the
system log (syslog). By default, the ACE disables the logging of these packets, however
allows the logging of dropped SIP packets in the syslog.
The ACE allows all headers sent in the SIP packet, including proprietary headers. In the event
of a failover for SIP sessions over UDP, the ACE continues to process SIP packets for
established SIP sessions.
Clear this check box to disable this feature.
Max. Forward Validation This option allows you to configure the ACE to validate the value of the Max-Forward header
field.
Specify how the ACE is to handle the validation of Max-Forward header fields:
N/A—The ACE is not to validate Max-Forward header fields.
Drop—The ACE is to drop the SIP message if it does not pass Max-Forward header
validation.
Reset—The ACE is to reset the SIP connection if it does not pass Max-Forward header
validation.
Log Max. Forward
Validation Event
Check the check box to indicate that the ACE is to log Max-Forward validation events.
Clear the check box to disable this feature.
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