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Configuring Protocol Conditions
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:
- 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
- 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
- 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
- (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
- (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
- (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
- (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
- (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;
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