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Device Manager Guide, Cisco ACE 4700 Series Application Control Engine Appliance
OL-26645-02
Chapter 12 Configuring Traffic Policies
Setting Match Conditions for Class Maps
Setting Match Conditions for Generic Server Load Balancing Class Maps
Use this procedure to set match conditions for a generic server load balancing class map.
Assumption
You have configured a generic server load balancing class map and want to establish match criteria.
Procedure
Step 1 Choose Config > Virtual Contexts > context > Expert > Class Maps. The Class Maps table appears.
Step 2 In the Class Maps table, select the generic server load balancing class map you want to set match
conditions for. The Match Condition table appears.
Step 3 In the Match Condition table, click Add to add match criteria, or select the match condition you want to
modify, and then click Edit. The Match Condition configuration screen appears.
Step 4 In the Sequence Number field, enter an integer from 2 to 255.
Step 5 In the Match Condition Type field, select the match condition type for this class map and configure any
match-specific criteria as described in Table 12-8.
Table 12-8 Generic Server Load Balancing Class Map Match Conditions
Match Condition Description
Class Map A class map is used to establish a match condition.
In the Class Map field, select the class map to use for this match condition.
Layer 4 Payload Generic data parsing is used to establish a match condition.
1. In the Layer 4 Payload Regex field, enter the Layer 4 payload expression contained within the
TCP or UDP entity body to use for this match condition. Valid entries are text strings with a
maximum of 255 alphanumeric characters. See Table 12-33 for a list of the supported
characters that you can use for matching string expressions.
2. In the Layer 4 Payload Offset field, enter the absolute offset where the Layer 4 payload
expression search starts. The offset starts at the first byte of the TCP or UDP body. Valid
entries are integers from 0 to 999.
Source Address A source IP address is used to establish a match condition.
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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