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Invoke or remove a policy label or virtual server policy bank

August 1, 2023
Contributed by: 
S

Unlike a policy, which can only be bound once, you can use a policy label or a virtual server’s policy bank any number of times by invoking it. Invocation can be performed from two places:

  • From the binding for a named policy in a policy bank.
  • From the binding for a NOPOLICY “dummy” entry in a policy bank.

Typically, the policy label must be of the same type as the policy from which it is invoked. For example, you would invoke a responder policy label from a responder policy.

Note: When binding or unbinding a global NOPOLICY entry in a policy bank at the command line, you specify a priority to distinguish one NOPOLICY entry from another.

Invoke a rewrite or integrated caching policy label by using the CLI

At the command prompt, type the one of the following commands to invoke a rewrite or integrated caching policy label and verify the configuration:

-  bind cache global <policy> -priority <positive_integer> [-gotoPriorityExpression <expression>] -type REQ_OVERRIDE|REQ_DEFAULT|RES_OVERRIDE|RES_DEFAULT] -invoke reqvserver|resvserver|policylabel <label_name>  

-  bind rewrite global<policy> -priority <positive_integer> [-gotoPriorityExpression <expression>] -type REQ_OVERRIDE|REQ_DEFAULT|RES_OVERRIDE|RES_DEFAULT] -invoke reqvserver|resvserver|policylabel <label_name>  

-  show cache global|show rewrite global
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Example:

> bind cache global _nonPostReq2 -priority 100 -type req_override -invoke
    policylabel lbl-cache-pol
Done
> show cache global
    1)      Global bindpoint: REQ_DEFAULT
            Number of bound policies: 2

    2)      Global bindpoint: RES_DEFAULT
            Number of bound policies: 1

    3)      Global bindpoint: REQ_OVERRIDE
            Number of bound policies: 1

Done
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Invoke a responder policy label by using the CLI

At the command prompt, type the following commands to invoke a responder policy label and verify the configuration:

-  bind responder global <policy_Name> <priority_as_positive_integer> [<gotoPriorityExpression>] -type REQ_OVERRIDE|REQ_DEFAULT|OVERRIDE|DEFAULT -invoke vserver|policylabel <label_name>

-  show responder global  
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Example:

> bind responder global pol404Error1 300 -invoke policylabel lbl-respndr-pol
Done
> show responder global
    1)      Global bindpoint: REQ_DEFAULT
            Number of bound policies: 2

Done
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Invoke a virtual server policy bank by using the CLI

At the command prompt, type the following commands to invoke a Virtual Server Policy Bank and verify the configuration:

-  bind lb vserver <vserver_name> -policyName <policy_Name> -priority <positive_integer> [-gotoPriorityExpression <expression>] -type REQUEST|RESPONSE -invoke reqvserver|resvserver|policylabel <policy_Label_Name>  

-  bind lb vserver <vserver_name>  
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Example:

> bind lb vserver lbvip -policyName ns_cmp_msapp -priority 100
Done

> show lb vserver lbvip
            lbvip (8.7.6.6:80) - HTTP       Type: ADDRESS
            State: DOWN
            Last state change was at Wed Jul 15 05:54:24 2009 (+166 ms)
            Time since last state change: 28 days, 06:37:49.250
            Effective State: DOWN
            Client Idle Timeout: 180 sec
            Down state flush: ENABLED
            Disable Primary Vserver On Down : DISABLED
            Port Rewrite : DISABLED
            No. of Bound Services :  0 (Total)       0 (Active)
            Configured Method: LEASTCONNECTION
            Mode: IP
            Persistence: NONE
            Vserver IP and Port insertion: OFF
            Push: DISABLED  Push VServer:
            Push Multi Clients: NO
            Push Label Rule: none

    1)      CSPolicy: pol-cont-sw   CSVserver: vs-cont-sw   Priority: 100   Hits: 0

    2)      Policy : pol-ssl Priority:0
    3)      Policy : ns_cmp_msapp Priority:100
    4)      Policy : cf-pol Priority:1      Inherited
Done
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Remove a rewrite or integrated caching policy label by using the CLI

At the command prompt, type one of the following commands to remove a rewrite or integrated caching policy label and verify the configuration:

-  unbind rewrite global <policyName> -priority <positiveInteger> -type REQ_OVERRIDE|REQ_DEFAULT|RES_OVERRIDE|RES_DEFAULT  

-  unbind cache global <policyName> -priority <positiveInteger> -type REQ_OVERRIDE|REQ_DEFAULT|RES_OVERRIDE|RES_DEFAULT

-  show rewrite global|show cache global
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Example:

> unbind rewrite global NOPOLICY -priority 100 -type REQ_OVERRIDE
> show rewrite global
Done
    1)      Global bindpoint: REQ_DEFAULT
            Number of bound policies: 1

Done
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Remove a responder policy label by using the CLI

At the command prompt, type the following commands to remove a responder policy label and verify the configuration:

-  unbind responder global <policyName> -priority <positiveInteger> -type OVERRIDE|DEFAULT  

-  show responder global
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Example:

> unbind responder global NOPOLICY -priority 100 -type REQ_DEFAULT
Done
> show responder global
    1)      Global bindpoint: REQ_DEFAULT
            Number of bound policies: 1

Done
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Remove a virtual server policy label by using the CLI

At the command prompt, type one of the following commands to remove a Virtual Server policy label and verify the configuration:

-  unbind lb vserver <virtualServerName> -policyName NOPOLICY-REWRITE|NOPOLICY-RESPONDER|NOPOLICY-CACHE -type REQUEST|RESPONSE -priority <positiveInteger>  

-  unbind cs vserver <virtualServerName> -policyName NOPOLICY-REWRITE|NOPOLICY-RESPONDER|NOPOLICY-CACHE -type REQUEST|RESPONSE -priority <positiveInteger>  

-  show lb vserver|show cs vserver  
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Example:

> unbind lb vserver lbvip -policyName ns_cmp_msapp -priority 200
Done
> show lb vserver lbvip
            lbvip (8.7.6.6:80) - HTTP       Type: ADDRESS
            State: DOWN
            Last state change was at Wed Jul 15 05:54:24 2009 (+161 ms)
            Time since last state change: 28 days, 06:47:54.600
            Effective State: DOWN
            Client Idle Timeout: 180 sec
            Down state flush: ENABLED
            Disable Primary Vserver On Down : DISABLED
            Port Rewrite : DISABLED
            No. of Bound Services :  0 (Total)       0 (Active)
            Configured Method: LEASTCONNECTION
            Mode: IP
            Persistence: NONE
            Vserver IP and Port insertion: OFF
            Push: DISABLED  Push VServer:
            Push Multi Clients: NO
            Push Label Rule: none

    1)      CSPolicy: pol-cont-sw   CSVserver: vs-cont-sw   Priority: 100   Hits: 0

    1)      Policy : pol-ssl Priority:0
    2)      Policy : cf-pol Priority:1      Inherited
Done
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Invoke a policy label or virtual server policy bank by using the GUI

  1. Bind a policy, as described in Bind a policy globally, Bind a policy to a virtual server, or Bind a policy to a policy label. Alternatively, you can enter a NOPOLICY “dummy” entry instead of a policy name. You do this if you do not want to evaluate a policy before evaluating the policy bank.
  2. In the Invoke field, select the name of the policy label or virtual server policy bank that you want to evaluate if traffic matches the bound policy. A message in the status bar indicates that the policy label or virtual server policy bank is invoked successfully.

Remove a policy label invocation by using the GUI

  1. Open the policy and clear the Invoke field. Unbinding the policy also removes the invocation of the label. A message in the status bar indicates that the policy label is removed successfully.
Invoke or remove a policy label or virtual server policy bank
August 1, 2023
Contributed by: 
S
August 1, 2023
Contributed by: 
S

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