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Chapter 6: Administering Virtual Clusters
Start Port
End Port
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5.
A confirmation screen appears; click commit to create the cluster with the parameters shown.
6.
The
tab for the new cluster is opened. See the following section for an explanation of the Layer 4
Configuration
cluster configuration tabs and parameters.
Modifying a Layer 4 Virtual Cluster
The configuration tabs for a cluster are displayed automatically when a cluster is added to the system, or by selecting
the cluster name from the left frame Configuration Tree. TCP and UDP cluster parameters are divided among the
following tabs:
•
Layer 4 Required Tab
•
Layer 4 Probes Tab
•
Layer 4 Persistence Tab
These are described in the following sections. To update the settings on any tab, make changes and select the
button to save them.
commit
Layer 4 Required Tab
ip
122
For L4 UDP and L4 TCP protocol clusters, a port range can be defined using
the start port and end port fields. These are the ports on the Equalizer to
be used to send traffic to the servers in the cluster. Port ranges allow
Equalizer users to create a single cluster to control the traffic for multiple,
contiguous ports. There are two typical uses for port ranges:
Specific applications that require a range of ports.
The need to open up access to servers behind the Equalizer for all ports.
Enter the first port number in the start port field (which is required). Enter
the end port number in the end port field. (If end port is not visible, check
the advanced flag.)
When the end port field is left with a value of zero (the default), Equalizer
disables the port range feature and uses the start port as the server port.
The start port cannot be higher than end port when end port is nonzero.
The port defined for a server in the cluster for which a port range is defined
indicates the port on the server that starts the range of ports to be opened.
See "Adding a Server to a Cluster" on page 142.
.
Enter the ip address, which is the dotted decimal IP address of the cluster.
The IP address of the cluster is the external address (for example,
199.146.85.0) with which clients connect to the cluster.
Equalizer Installation and Administration Guide
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