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Configuring the Flow-Monitoring Interface

To enable flow monitoring on the Monitoring Services PIC, include the mo-fpc/pic/port statement at the [edit interfaces] hierarchy level:



mo-fpc/pic/port {



unit logical-unit-number {



family inet {



address address {

destination address;
}





filter {
group filter-group-number;
input filter-name;
output filter-name;
}





sampling {
[ input output ];
}


}


}





multiservice-options {
(core-dump | no-core-dump);
(syslog | no-syslog);
}


}

Specify the physical and logical location of the flow-monitoring interface. You cannot use unit 0, because it is already used by internal processes. Specify the source and destination addresses. The filter statement allows you to associate an input or output filter or a filter group that you have already configured for this purpose. The sampling statement specifies the traffic direction: input, output, or both.

The multiservice-options statement allows you to configure properties related to flow-monitoring interfaces:

Include the core-dump statement to enable storage of core files in /var/tmp.
Include the syslog statement to enable storage of system logging information in /var/log.

Note: Boot images for monitoring services interfaces are specified at the [edit chassis images pic] hierarchy level. For more information, see the JUNOS System Basics Configuration Guide.

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