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Configuring ICMP Conditions
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:
- From configuration mode, enter the ICMP configuration.
For example:
- user@host# edit policies group bod list input
rule pr traffic-condition ctc icmp-condition
- (Optional) Configure the value of the IP flags field in
the IP header.
- [eedit policies group bod list input rule pr traffic-condition
ctc icmp-condition]
- user@host# set ip-flags ip-flags
- (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
- (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
- (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
- (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
- (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
- (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;
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