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    Configuring Protocol Conditions (SRC CLI)

    The procedure in this sections shows how to configure general protocol conditions.

    Use the following configuration statements to add general protocol conditions to a classify-traffic condition:

    policies group name list name rule name traffic-condition name protocol-condition {protocol protocol ; protocol-operation protocol-operation ; ip-flags ip-flags ; ip-flags-mask ip-flags-mask ; fragment-offset fragment-offset ; packet-length packet-length ; }

    To add general protocol conditions to a classify-traffic condition:

    1. From configuration mode, enter the general protocol condition configuration. For example:
      user@host# edit policies group dhcp list in rule forward-dhcp traffic-condition client-dhcp protocol-condition
    2. Configure the protocol matched by this classify-traffic condition.
      [edit policies group dhcp list in rule forward-dhcp traffic-condition client-dhcp protocol-condition]user@host# set protocol protocol
    3. Configure the policy to match packets with the protocol that is either equal or not equal to the specified protocol.
      [edit policies group dhcp list in rule forward-dhcp traffic-condition client-dhcp protocol-condition]user@host# set protocol-operation protocol-operation
    4. (Optional) Configure the value of the IP flags field in the IP header.
      [edit policies group dhcp list in rule forward-dhcp traffic-condition client-dhcp protocol-condition]user@host# set ip-flags ip-flags
    5. (Optional) Configure the mask that is associated with the IP flag.
      [edit policies group dhcp list in rule forward-dhcp traffic-condition client-dhcp protocol-condition]user@host# set ip-flags-mask ip-flags-mask
    6. (Optional) Configure the value of the fragment offset field.
      [edit policies group dhcp list in rule forward-dhcp traffic-condition client-dhcp protocol-condition]user@host# set fragment-offset fragment-offset
    7. (Optional) Configure the packet length on which to match. The length refers only to the IP packet, including the packet header, and does not include any layer 2 encapsulation overhead.
      [edit policies group dhcp list in rule forward-dhcp traffic-condition client-dhcp protocol-condition]user@host# set packet-length packet-length
    8. (Optional) Verify your protocol condition configuration.
      [edit policies group dhcp list in rule forward-dhcp traffic-condition client-dhcp protocol-condition]
      user@host# show 
      protocol 0;
      protocol-operation 1;
      ip-flags 0;
      ip-flags-mask 0;
      fragment-offset any;

    Published: 2014-12-10