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# Configuring ICMP Conditions (SRC CLI)

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

`

policies group name list name rule name traffic-condition name icmp-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 ;
  icmp-type icmp-type ;
  icmp-code icmp-code ;
}

`

Because the protocol is already set to ICMP, do not change the protocol or protocol-operation options.

To add ICMP conditions to a classify-traffic condition:

1. From configuration mode, enter the ICMP configuration. For example:
   `
   user@host# edit policies group bod list input rule pr traffic-condition ctc icmp-condition
   `
2. (Optional) Configure the value of the IP flags field in the IP header.
   `
   [edit policies group bod list input rule pr traffic-condition ctc icmp-condition]
   user@host# set ip-flags ip-flags
   `
3. (Optional) Configure the mask that is associated with the IP flag.
   `
   [edit policies group bod list input rule pr traffic-condition ctc icmp-condition]
   user@host# set ip-flags-mask ip-flags-mask
   `
4. (Optional) Configure the value of the fragment offset field.
   `
   [edit policies group bod list input rule pr traffic-condition ctc icmp-condition]
   user@host# set fragment-offset fragment-offset
   `
5. (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 bod list input rule pr traffic-condition ctc icmp-condition]
   user@host# set packet-length packet-length
   `
6. (Optional) Configure the ICMP packet type on which to match. The packet type must be supported by the router or CMTS device.
   `
   [edit policies group bod list input rule pr traffic-condition ctc icmp-condition]
   user@host# set icmp-type icmp-type
   `
7. (Optional) Configure the ICMP code on which to match. The ICMP code must be supported by the router or CMTS device.
   `
   [edit policies group bod list input rule pr traffic-condition ctc icmp-condition]
   user@host# set icmp-code icmp-code
   `
8. (Optional) Verify the ICMP condition configuration.

       [edit policies group bod list input rule pr traffic-condition ctc icmp-condition]
       user@host# show
       protocol icmp;
       protocol-operation 1;
       ip-flags ipFlags;
       ip-flags-mask ipFlagsMask;
       fragment-offset ipFragOffset;
       icmp-type icmpType;
       icmp-code icmpCode;

#### Related Topics

- Before You Configure Classify-Traffic Conditions
- Configuring Classify-Traffic Conditions
- Configuring ICMP Conditions (C-Web Interface)

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