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Enable or disable persistence session on TROFS services

August 20, 2024

Contributed by:

C C S

You can set the trofsPersistence flag to specify whether a service in the transition out of service (TROFS) state should maintain persistent sessions. When a monitor is TROFS enabled, it can place a service in the TROFS state on the basis of the server’s response to a monitor probe. This response is compared with the value in the trofsCode parameter for an HTTP monitor or the trofsString parameter for an HTTP-ECV or TCP-ECV monitor. If the code matches, the service is placed in the TROFS state. In this state, it continues to honor the active client connections. In some cases, the honored active sessions might have to include persistent sessions. But in other cases, especially those involving long-lived persistence sessions or persistence methods such as custom server ID, honoring the persistent sessions could prevent the service from transitioning to the out-of-service state.

If you set the trofsPersistence flag to ENABLED, persistent sessions are honored. If you set it to DISABLED, they are not.

To set the trofsPersistence flag by using the command line interface

At the command prompt, type one of the following commands to set the trofsPersistence flag for a new virtual server or an existing virtual server, or to return the setting to its default value:

**add lb vserver** <name> [-trofsPersistence ( ENABLED | DISABLED )]

**set lb vserver** <name> [-trofsPersistence ( ENABLED | DISABLED )]

**unset lb vserver** <name> [-trofsPersistence]
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Argument

trofsPersistence. Honor current active client connections and new requests on persistence sessions when the service is in TROFS state.

Possible values: ENABLED, DISABLED. Default: ENABLED.

Examples:

add lb vserver v1 http 10.102.217.42 80 -persistencetype SOURCEIP –trofsPersistence ENABLED

set lb vserver v1 -trofsPersistence DISABLED

unset lb vserver v1 -trofsPersistence
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Enable or disable persistence session on TROFS services

August 20, 2024

Contributed by:

C C S

August 20, 2024

Contributed by:

C C S

Enable or disable persistence session on TROFS services

To set the trofsPersistence flag by using the command line interface

Argument

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