Cisco Explorer 4700 Installation Guide download pdf (Page 487)

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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

Step 5 In the Insert Before field, 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.

If you select True in the Insert Before field, the Insert Before Policy Rule field appears. Select the

rule that you want the current rule to precede.

Step 6 Do the following:

Table 12-27 RTSP Policy Map Match Conditions

Match Condition Description

RTSP Header RTSP header information is used for matching criteria.

1. In the Header Name field, specify the header to match in one of the following ways:

–

To specify an RTSP header that is not one of the standard RTSP headers, select the first

radio button, then enter the RTSP header name in the Header Name field. Valid entries are

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

–

To specify a standard RTSP header, click the second radio button, then select an RTSP

header from the list.

2. In the Header Value (Bytes) field, enter the header value expression string to compare against

the value in the specified field in the RTSP header. Valid entries are text strings with a

maximum of 255 alphanumeric characters. The ACE supports regular expressions for

matching. If the string includes spaces, enclose the string with quotes. All headers in the

header map must be matched. See Table 12-33 for a list of the supported characters that you

can use in regular expressions.

RTSP URL A URL or portion of a URL is used for match criteria.

1. In the URL Expression field, enter a URL, or portion of a URL, to match. The ACE performs

matching on whatever URL string appears after the RTSP method, regardless of whether the

URL includes the host name. The ACE supports regular expressions for matching URL

strings. See Table 12-33 for a list of the supported characters that you can use in regular

expressions.

2. In the Method Expression field, enter the RTSP method to match. Valid entries are unquoted

text strings with no spaces and a maximum of 64 alphanumeric characters. The method can be

either one of the standard RTSP method names (DESCRIBE, ANNOUNCE,

GET_PARAMETER, OPTIONS, PAUSE, PLAY, RECORD, REDIRECT, SETUP,

SET_PARAMETER, TEARDOWN) or a text string that must be matched exactly (for

example, STINGRAY).

Source Address The source IP address is used for match criteria.

1. For the IP Address Type, select either IPv4 or IPv6 for the address type.

2. In the Source IP Address field, enter the source IP address for this match condition in the

format based on the address type (IPv4 or IPv6).

3. For an IPv4 source address, in the Source Netmask field, select the subnet mask of the IP

address.

For an IPv6 source address, in the Source Prefix-length field, enter the prefix length for the

address.

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