Specifications

Working with Virtual Clusters
Equalizer Installation and Administration Guide 81
3. Select menu > Change Cluster Parameters. The modify cluster screen opens in the right
frame.
Figure 41 Setting the sticky time period
4. In the sticky time field, specify the sticky time period in seconds greater than zero.
5. To direct all requests from a particular client to the same server even if the connection is to a
different virtual cluster, check the inter-cluster sticky checkbox.
6. Click the commit button.
Enabling Cookies for Persistent Sessions
For HTTP and HTTPS clusters that support Layer 7 (L7) load balancing, you can enable the persist
check box to use cookies to maintain a persistent session between a client and a particular server for
the duration of the session.
When you use cookie-based persistence, Equalizer “stuffs” a cookie into the server’s response
header on its way back to the client. This cookie uniquely identifies the server to which the client
was connected and is included automatically in subsequent requests from the client to the same
cluster. Equalizer can use the information in the cookie to route the requests to the same server. If
the server is unavailable, Equalizer automatically selects a different server.
This option is enabled by default. Also see the descriptions of the always, cookie age, cookie
domain, and cookie path cluster parameters under “Adding a Virtual Cluster” on page 67.
Note – You can turn on inter-cluster stickiness only if you have enabled sticky connections
by specifying a sticky time greater than zero.