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Broadband Subscriber Services User Guide
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{ "lLangCode": "en", "lName": "English", "lCountryCode": "us", "transcode": "en_US" }
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Configuring Fast Update Filters

date_range 06-Dec-23

You configure a fast update filter in a dynamic profile—this enables you to use dynamic variables in the filter configuration. After you configure fast update filters, you then use the dynamic-profiles syntax to associate the filter with the subscriber interface.

To configure a fast update filter for subscriber access:

  1. Access the dynamic profile you want to use.
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    [edit]
    user@host# edit dynamic-profiles myProfile
    
  2. Specify that you want to configure a firewall, and specify the family.
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    [edit dynamic-profiles myProfile]
    user@host# edit firewall family inet
    
  3. Specify that you want to configure a fast update filter and assign a name to the filter.
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    [edit dynamic-profiles myProfile firewall family inet]
    user@host# edit fast-update-filter httpFilter
    
  4. Specify the interface-specific statement. This statement is mandatory.
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    [edit dynamic-profiles myProfile firewall family inet fast-update-filter httpFilter]
    user@host# set interface-specific
    
  5. Configure the match order to use for the filter terms.
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    [edit dynamic-profiles myProfile firewall family inet fast-update-filter httpFilter]
    user@host# set match-order [source-address protocol destination-port]
    

    See Configuring the Match Order for Fast Update Filters.

  6. Specify that you want to configure a term for the filter and assign the name to the term. Configure the match conditions and actions for the term.
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    [edit dynamic-profiles myProfile firewall family inet fast-update-filter httpFilter]
    user@host# edit term term1
    
    [edit dynamic-profiles myProfile firewall family inet fast-update-filter httpFilter term term1]
    user@host# set from protocol tcp
    user@host# set from source-address $junos-subscriber-ip-address
    user@host# set from destination-port http
    user@host# set then count http-cnt
    

    See Configuring Terms for Fast Update Filters.

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