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Sidewinder G2 6.1.2 Administration Guide - Glossary of Technical ...

Sidewinder G2 6.1.2 Administration Guide - Glossary of Technical ...

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Chapter 17: High Availability<br />

Configuring HA<br />

Note: This window does not appear if you selected the primary-secondary HA<br />

option. For primary-secondary HA, the takeover time is 3 seconds for the<br />

primary and 13 seconds for the secondary by default and cannot be modified in<br />

the State Change Wizard.<br />

Click Next. The High Availability Cluster Common Addresses window<br />

appears.<br />

10 The High Availability Cluster Common Addresses window allows you to<br />

configure the cluster common addresses for the interfaces in your HA<br />

cluster. It also allows you to specify the heartbeat burb, which is responsible<br />

for sending and receiving heartbeats. Do the following, and then click Next:<br />

a Select the interface row that you want to configure, and click Configure.<br />

The High Availability Aliases window appears.<br />

b In the Cluster Common IP Address field, type the common IP address<br />

for the interface that will be shared between <strong>Sidewinder</strong> <strong>G2</strong>s within the<br />

HA cluster.<br />

Note: The cluster address is the address most systems should use to<br />

communicate with or through the <strong>Sidewinder</strong> <strong>G2</strong>, meaning that DNS, default<br />

routes, etc. need to be aware <strong>of</strong> this address.<br />

c Click OK.<br />

d Repeat step a through step c for each interface that will use HA.<br />

e In the Heartbeat Burb drop-down list, select the burb that HA will use to<br />

send or receive heartbeats. (A heartbeat is a short message that is sent<br />

out at specific intervals to verify whether a <strong>Sidewinder</strong> <strong>G2</strong> is<br />

operational.) This must be a dedicated burb.<br />

f [Optional] If you want to skip the advanced configuration windows and<br />

use the default values, select the Use default advanced High<br />

Availability properties and skip advanced screens check box.<br />

If you select this check box, the following configuration options will be<br />

made automatically:<br />

• IPSec authentication password and authentication type will be<br />

automatically selected.<br />

• HA identification cluster ID and multicast address will be<br />

automatically assigned.<br />

• Remote test configuration options will not be configured.<br />

If you want to modify or configure any <strong>of</strong> these properties, deselect the<br />

Use default advanced High Availability properties and skip advanced<br />

screens check box and click Next to access the Advanced General<br />

Properties and Advanced Network Properties windows.<br />

11 [Conditional] The High Availability Advanced General Properties window<br />

allows you to configure IPSec Authentication values and High Availability<br />

identification values. Modify any <strong>of</strong> the following values:<br />

495

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