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Table Of Contents

Managing Server Farms

Server Farms

Viewing Server Farms

Adding Server Farms

General

Real Server

Health Checkup

Redirect Virtual Server

Editing Server Farms

General

Real Server

Health Checkup

Redirect Virtual Server

Viewing Server Farm Node

Adding Named Real Server

Adding Unnamed Real Server

Editing a Real Server

Adding Redirect Virtual Server

Editing Redirect Virtual Servers

NAT Pools

Viewing NAT Pools

Adding NAT Pools

Editing NAT Pools


Managing Server Farms


The managing Server Farms page has two sections Server Fams and NAT Pools, for more details see:

Server Farms

NAT Pools

Server Farms

A server farm (or server pool) is a collection of servers that contain the same content. You can specify the server farm name when you configure the server farm and add real servers.

Related Topics:

Viewing Server Farms

Adding Server Farms

Adding Named Real Server

Adding Unnamed Real Server

Adding Redirect Virtual Server

Editing Server Farms

Editing a Real Server

Editing Redirect Virtual Servers

Viewing Server Farm Node

Viewing Server Farms

Figure 5-1 Server Farms Page

To view Server Farms:


Step 1 Click Home at the top of the window.

Step 2 Click Server Farms under Services Dashboard.

Or:


Step 1 Click Setup from the task bar.

Step 2 Click Server Farms in the left-most pane. The following details are shown in the content area.

Field
Description

Name

Name of the server farm about which information is being displayed.

Information about each server farm is displayed on a separate line.

Predictor

Type of load-balancing algorithm used by the server farm.

NAT

Shows whether server and client NAT (Network Address Transalation) is enabled.

Reals

Number of real servers configured in the server farm.

Redirects

Shows the number of redirect virtual servers configured in the server farm.

Return Code Map

Return code map name associated with the server farm.



From this section, you can access functions to do the following:

Click Add to add Server Farms. For more information, see "Adding Server Farms" section.

Select a node and click Edit to edit a Server Farm. For more information, see "Editing Server Farms" section.

Select a node and click Delete to delete the Server Farm.

Adding Server Farms

To add Server Farms:


Step 1 Click Home at the top of the window.

Step 2 Click Server Farms under Services Dashboard.

Step 3 Click the Add button provided at the end of the table to create a new Server Farm.

Or:


Step 1 Click Setup from the task bar and click Server Farms in the left-most pane.

Step 2 Click the Add button provided at the end of the table to create a new Server Farm. The Add Server Farm dialog box has the following tabs:

General

Real Server

Health Checkup

Redirect Virtual Server

General

In the General tab, the following details are displayed:

Field
Descriptions

Name

Enter the name of the Server Farm.

Load Balancing Algorithm

Specify the load-balancing algorithm for the server farm from the list. Based on the load balancing algorithm the traffic will be diverted to the respective real server. The fields Mask Type and Mask are applicable only for Hash Address algorithm type.

NAT

Select the check box to specify Client NAT or Server NAT. When client NAT is enabled you must specify the corresponding client NAT pool.


Real Server

In the Real Servers tab, the following details are displayed:

Fields
Description

Real

Number of real servers configured in the server farm.

Min. Connections

The minimum number of connections for the real server.

Max. Connections

The maximum number of connections for the real server.

Weight

Weight assigned to the real server. The weight identifies the capacity of the real server compared to other real servers in the server farm.

Admin Status

Lets you know if the real server is in service or out of service.


From this page, you can click Add to add new named or unnamed real server. For more information on adding named and unnamed real servers, see

"Adding Named Real Server" section

"Adding Unnamed Real Server" section

Health Checkup

In the Health Checkup tab, the following details are displayed:

Field
Description

Fail Action

Specify the fail action criteria. Choose among None, Purge, and Reassign.

HTTP Return Code

Specify the return code map.

Inband Health Checkup

Select the check box to activate the following fields.

Number of Retries-Enter the number of retries.

Retry Interval (in seconds)- Enter the retry interval span in seconds.

Associate Probes

You can associate or disassociate a probe to the server farm.


Redirect Virtual Server

In the Redirect Virtual Server tab, the following details are displayed:

Field
Description

Name

The name of the redirect virtual server.

SSL Port

SSL port number; the range is from 1 to 65535.

Status

Status of the redirect virtual server.



From this page, you can access functions to do the following:

Add a new redirect virtual server. For more information, see "Adding Redirect Virtual Server" section.

Select a row and click Delete to delete a Redirect Virtual Server.

Editing Server Farms

To edit selected Server Farm details:


Step 1 Click Home at the top of the window.

Step 2 Click Server Farms under Services Dashboard.

Step 3 Select the server farm node. The details are displayed in the right pane.

Step 4 Click Edit to launch the Edit Server Farms dialog box.

Or:


Step 1 Click Setup from the task bar, then select Server Farms from the left-most pane. The Server Farm details appear in the content pane.

Step 2 Select the Sever Farm Node. The details are displayed on the right pane.

Step 3 Click Edit to launch the Edit Server Farms dialog box. The Edit Server Farm dialog box has the following tabs:

General

Real Server

Health Checkup

Redirect Virtual Server

General

In the General tab the following details are displayed:

Fields
Descriptions

Name

The name of the Server Farm.

Load Balancing Algorithm

Specify the load-balancing algorithm for the server farm from the list. Based on the load balancing algorithm the traffic will be diverted to the respective real server. The fields Mask Type and Mask are applicable only for Hash Address algorithm type.

NAT

Select the check box to specify Client NAT or Server NAT. When client NAT is enabled you must specify the corresponding client NAT pool.


Real Server

In the Real Servers tab the following details are displayed:

Fields
Description

Real

Number of real servers configured in the server farm.

Min. Connections

The minimum number of connections for the real server.

Max. Connections

The maximum number of connections for the real server.

Weight

Weight assigned to the real server. The weight identifies the capacity of the real server compared to other real servers in the server farm.

Admin Status

Lets you know if the real server is in service or out of service.


From this section, you can click Edit to edit a real server. For more information on editing real servers see "Editing a Real Server" section.

Health Checkup

In the Health Checkup tab, the following details are displayed:

Field
Description

Fail Action

Specify the fail action criteria. Choose among None, Purge, and Reassign.

HTTP Return Code

Specify the return code map.

Inband Health Checkup

Select the check box to activate the following fields.

Number of Retries-Enter the number of retries.

Retry Interval (in seconds)- Enter the retry interval span in seconds.

Associate Probes

You can associate or disassociate a probe to the server farm.


Redirect Virtual Server

In the Redirect Virtual Server tab, the following details are displayed:

Field
Description

Name

The Name of the redirect virtual server.

SSL Port

SSL port number; the range is from 1 to 65535.

Status

Status of the redirect virtual server.



From this section click Edit to edit a redirect virtual server. For more information on editing Redirect Virtual Servers see "Editing Redirect Virtual Servers" section.

Viewing Server Farm Node

To view Server Farm Nodes:


Step 1 Click Home at the top of the window.

Step 2 Click Server Farms under Services Dashboard.

Step 3 Select the Server Farm Node from the object selector. The details are shown on the content area.

Or:


Step 1 Click Setup from the task bar.

Step 2 Click Server Farms on the left-most pane.

Step 3 Select the Server Farm Node in the object selector. The details are shown on the content area. The following fields are displayed:

Field
Description
Predictor

Load-balancing Algorithm

The load-balancing algorithm for the server farm. Based on the load balancing algorithm the traffic will be diverted to the respective real server. The fields Mask Type and Mask are applicable only for Hash Address algorithm type.

NAT

Displays Client NAT and Server NAT status. When client NAT is enabled the corresponding client NAT pool is displayed.

Real Server

Real Server Name

The name of the Real Server.

Min. Connections

The minimum number of connections for thereal server.

Max. Connections

The maximum connections for the real server.

Weight

The weight of the real server.

Admin Status

The admin status of the real server farm with respect to this server farm.

Operational Status

The operational status of the real server farm with respect to this server farm.

Set Admin Status

Click this button to set the state of the Server instantly.

Health Checkup

Fail Action

The course of action determind for the server farm in case of failure.

HTTP Return Code

The HTTP return code map for the server farm.

Inband Health Checkup

Number of Retries

The number of retries for the real server.

Retry Interval

The time duration for which the retry occurs.

Associate Probes

The list of probes associated with the server farm.



From the Server Farm Node page, you can access functions to do the following:

Select a real server and click Set Admin Status to set its state instantly.

Click the Redirect Virtual Server button you can add or edit a redirect virtual server. For more information, see:

"Adding Redirect Virtual Server" section

"Editing Redirect Virtual Servers" section

Select a redirect virtual server and click Delete to delete a redirect virtual server.

Click Edit to edit server farms. For more information, see "Editing Server Farms" section.

Adding Named Real Server

To add a named Real server.


Step 1 Click Home at the top of the window.

Step 2 Click Server Farms under Services Dashboard.

Step 3 Click the Add button provided at the end of the table.

Step 4 In the Add Server Farm dialog box, select Real Server.

Step 5 Click the Add button provided at the end of the table, and specify Select Named Real Server.

Or:


Step 1 Click Setup from the task bar and click Server Farm in the left-most pane.

Step 2 Click the Add button provided at the end of the table.

Step 3 In the Add Server Farm dialog box select Real Server.

Step 4 Click the Add button provided at the end of the table and specify Select Named Real Server. The following fields are displayed:

Field
Description

Name

From the list, select the name of the named real server.

Port

Enter the port number.

Min. Connections

Enter the minimum number of connections for the real server.

Max. Connections

Enter the maximum number of connections for the real server.

Weight

Enter the weight assigned to the real server.

The weight identifies the capacity of the real server compared to other real servers in the server farm.

Redirect Virtual Server

Click and do one of the following:

Select redirect virtual server from the table.

Create a redirect virtual server.

Clear an exisitng redirect virtual server.

Status

Specify the status of the real server.

Back Up Real Server

Name

Click and do one of the following:

Select named real server from the table.

Select an unnamed real server.

Clear an exisitng backup real server.

Port

Displays the backup real server port number.

Probe

Probe Name

Click and do one of the following:

Select probe from the table.

Create probe.

Clear an existing probe.

Tag

Enter the tag for the probe.



Adding Unnamed Real Server

To add an unnamed Real Server.


Step 1 Click Home at the top of the window.

Step 2 Click Server Farms under Services Dashboard.

Step 3 Click the Add button provided at the end of the table.

Step 4 In the Add Server Farm dialog box select Real Server.

Step 5 Click the Add button provided at the end of the table and specify Add Unnamed Real Server.

Or:


Step 1 Click Setup from the task bar and click Server Farm in the left-most pane.

Step 2 Click the Add button provided at the end of the table.

Step 3 In the Add Server Farm dialog box select Real Server.

Step 4 Click the Add button provided at the end of the table and specify Add Unnamed Real Server. The following fields are displayed:

Field
Description

IP Address

Enter the IP address of the destination.

Port

Decimal TCP/UDP port number (from 0 to 65535) or port name.

Minimum Connections

Enter the minimum number of connections to the real server.

Maximum Connections

Enter the maximum number of connections to the real server.

Weight

Enter the weight assigned to the real server.

The weight identifies the capacity of the real server compared to other real servers in the server farm.

Redirect Virtual Server

Choose one real server from the list.

Status

Specify the status of the real server.

Backup Real Server

Name

From the list, select the name of backup real server.

Port

Enter the decimal TCP/UDP port number (from 0 to 65535) or port name.

Probe

Name

From the list, select the name of probe.

Tag

Enter the tag for the probe.



Editing a Real Server

To edit a Real server.


Step 1 Click Home at the top of the window.

Step 2 Click Server Farms under Services Dashboard.

Step 3 Click the Add button provided at the end of the table.

Step 4 In the Add Server Farm dialog box select Real Server.

Step 5 Click the Edit button provided at the end of the table.

Or:


Step 1 Click Setup from the task bar and click Server Farm in the left-most pane.

Step 2 Click the Add button provided at the end of the table.

Step 3 In the Add Server Farm dialog box select Real Server.

Step 4 Click the Edit button provided at the end of the table. The following fields are displayed:

Field
Description

Min. Connections

Minimum number of connections to the real server.

Max. Connections

Maximum number of connections to the real server.

Weight

Weight assigned to the real server.

The weight identifies the capacity of the real server compared to other real servers in the server farm.

Redirect Virtual Server

Choose a real server from the list.

Status

Lets you know if the Real Server is in service, out of service or in service standby.

Back Up Real Server

Name

Choose a backup server farm from the list.

Port

Decimal TCP/UDP port number (from 0 to 65535) or port name.

Probe

Name

Choose a probe name from the list.

Tag

Specify a tag for the probe.



From this page, you can click Delete to delete a Real Server.

Adding Redirect Virtual Server

To add a Redirect Virtual Server:


Step 1 Click Home at the top of the window.

Step 2 Click Server Farms under Services Dashboard.

Step 3 Click the Add button provided at the end of the table.

Step 4 In the Add Server Farm dialog box select Redirect Virtual Server.

Step 5 Click the Add button provided at the end of the table.

Or:


Step 1 Click Setup from the task bar and click Server Farm in the left-most pane.

Step 2 Click the Add button provided at the end of the table.

Step 3 In the Add Server Farm dialog box select Redirect Virtual Server.

Step 4 Click the Add button provided at the end of the table.

The following fields are displayed:

Field
Description

Name

Specify the name of the Redirect virtual server.

SSL Port

SSL port number. The range is from 1 to 65535.

Status

Specify the status of the Redirect Virtual Server.

Back Up

Response

Specify the backup response.

HTTP Status Code

Select the HTTP status code.

Relocation

Response

Specify the relocation response.

HTTP Status Code

Select the HTTP Status Code.



Editing Redirect Virtual Servers

To edit a Redirect Virtual Server:


Step 1 Click Home at the top of the window.

Step 2 Click Server Farms under Services Dashboard.

Step 3 Click the Add button provided at the end of the table.

Step 4 In the Add Server Farm dialog box select Redirect Virtual Server.

Step 5 Click the Edit button provided at the end of the table.

Or:


Step 1 Click Setup from the task bar and click Server Farm in the left-most pane.

Step 2 Click the Add button provided at the end of the table.

Step 3 In the Add Server Farm dialog box select Redirect Virtual Server.

Step 4 Click the Edit button provided at the end of the table.

The following fields are displayed:

Field
Description

Name

Specify the name of the Redirect virtual server.

SSL Port

SSL port number. The range is from 1 to 65535.

Status

Edit the status of the Redirect Virtual Server.

Back Up

Response

Specify the back up response.

HTTP Status Code

Select the HTTP Status Code.

Relocation

Response

Specify the relocation response.

HTTP Status Code

Select the HTTP Status Code.



NAT Pools

When you configure client Network Address Translation (NAT) pools, NAT converts the source IP address of the client requests into an IP address on the server-side VLAN. You can configure NAT pool with range of IP Addresses. To configure NAT pool with single IP Address, you can give Starting IP and Ending IP as the same.

Related Topics:

Viewing NAT Pools

Adding NAT Pools

Editing NAT Pools

Viewing NAT Pools

Figure 5-2 NAT Pools

To view NAT Pools:


Step 1 Click Home at the top of the window.

Step 2 Click Server Farms under Services Dashboard.

Step 3 Click NAT Pools.

Or:


Step 1 Click Setup from the task bar and click Server Farm in the left-most pane.

Step 2 Click NAT Pools. The details are displayed on the content pane. The following fields are displayed:

Field
Description

Name

Name of the NAT Pool.

Start IP Address

The start IP Address of the NAT Pool.

End IP Address

The end IP Address of the NAT Pool.

Mask

The mask IP of the NAT Pool.

Details

Name

Name of the NAT Pool.

Start IP Address

The start IP Address of the NAT Pool.

End IP Address

The end IP Address of the NAT Pool.

Mask

The mask IP of the NAT Pool.

Associated Server Farms

Name

Displays the name of the Server Farm that has this NAT pool associated with it.



From this section, you can access functions to do the following:

Click Add to add NAT Pools. For more information, see "Adding NAT Pools" section.

Select a node and click Edit to edit NAT Pools. For more information, see "Editing NAT Pools" section.

Select a node and click Delete to delete the NAT Pool.

Adding NAT Pools

To add NAT Pools:


Step 1 Click Home at the top of the window.

Step 2 Click Server Farms under Services Dashboard.

Step 3 Click NAT Pools.

Step 4 Click the Add button at the end of the content pane.

Step 5 The Add NAT Pool dialog box pops up.

Or:


Step 1 Click Setup from the task bar and click Server Farm in the left-most pane.

Step 2 Click NAT Pools.

Step 3 Click the Add button at the end of the content pane.

Step 4 The Add NAT Pool dialog box pops up and the following fields are displayed:

Field
Description

Name

The name of the NAT Pool.

Start IP Address

The start IP Address of the NAT Pool.

End IP Address

The end IP Address of the NAT Pool.

Mask

The mask IP of the NAT Pool.



Note To create a NAT pool with a single IP address provide the same IP address for the Start and End IP address field.



Editing NAT Pools

To edit NAT Pools:


Step 1 Click Home at the top of the window.

Step 2 Click Server Farms under Services Dashboard.

Step 3 Click NAT Pools.

Step 4 Click the Edit button at the end of the content pane.

Step 5 The Edit NAT Pool dialog box pops up.

Or:


Step 1 Click Setup from the task bar and click Server Farm in the left-most pane.

Step 2 Click NAT Pools.

Step 3 Click the Edit button at the end of the content pane.

Step 4 The Edit NAT Pool dialog box pops up and the following fields are displayed:

Field
Description

Name

The name of the NAT Pool. You cannot edit this field.

Start IP Address

The start IP Address of the NAT Pool.

End IP Address

The end IP Address of the NAT Pool.

Mask

The mask IP of the NAT Pool.




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Posted: Thu Oct 6 22:46:30 PDT 2005
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