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Configuring a VPLS Policer

You can configure a policer for VPLS traffic. The VPLS policer configuration is similar to the configuration of any other type of policer.

VPLS policers have the following characteristics:

You cannot police the default VPLS routes stored in the flood table from PE router–sourced flood traffic.
When specifying policing bandwidth, the VPLS policer considers all Layer 2 bytes in a packet to determine the packet length.

To configure a VPLS policer, include the policer statement at the [edit firewall] hierarchy level:



[edit firewall]
policer policer-name {
bandwidth-limit limit;
burst-size-limit limit;
then action;
}

For the statement summaries of these statements and more information on how to configure policers, see the JUNOS Policy Framework Configuration Guide.

To apply a VPLS policer to an interface, include the policer statement:



policer {
input input-policer-name;
output output-policer-name;
}

You can include the policer statement at the following hierarchy levels:

[edit interfaces interface-name unit number family vpls]
[edit logical-systems logical-system-name interfaces interface-name unit number family vpls

In the input statement, list the name of the VPLS policer to be evaluated when packets are received on the interface. In the output statement, list the name of the VPLS policer to be evaluated when packets are transmitted on the interface. This type of VPLS policer can only apply to unicast packets. For information on how to filter flood packets, see Configuring a Filter for Flooded Traffic.

For the statement summaries for these statements, see the JUNOS Network Interfaces Configuration Guide.

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