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6
Choosing Policies, Persistence
Modes, and NAT
This chapter describes how to specify scheduling polices for layer 4 load balancing,
session persistence, and network address translations. It contains the following sections:
• Scheduling Policies on page 6-1
• Persistence Modes on page 6-2
• NAT Modes on page 6-14
• Configuration Example on page 6-17
Scheduling Policies
The Px series application switch uses scheduling policies in load balancing to select the
real server to which to forward a client request. Scheduling policies are specified as part
of the server-group command. This means that any service that uses a specific server
group uses the policy defined for that group.
If different policies are needed for services using the same server group, simply create
another group with the same members, but with a different policy selected, using the
following command:
config server-group name <string> policy [lc |rr | wlc |wrr]
Px Series Application Switch Installation and Configuration Guide
6-1
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