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Example: Configuring Gigabit Ethernet Policers

Configure interface ge-6/0/0 to treat priority values 2 and 3 as premium. On ingress, this means that IEEE 802.1p priority values 2 and 3 are treated as premium. On egress, it means traffic that is classified into queue 0 or 1 with PLP of low and queue 2 or 3 with PLP of high, is treated as premium.

Define a policer that limits the premium bandwidth to 100 Mbps and burst size to 3 k, and the aggregate bandwidth to 200 Mbps and burst size to 3 k.

Specify that frames received from the MAC address 00:01:02:03:04:05 and the VLAN ID 600 are subject to the policer on input and output. On input, this means frames received with the source MAC address 00:01:02:03:04:05 and the VLAN ID 600 are subject to the policer. On output, this means frames transmitted from the routing platform with the destination MAC address 00:01:02:03:04:05 and the VLAN ID 600 are subject to the policer.



[edit interfaces]
ge-6/0/0 {


gigether-options {


ether-switch-profile {


ether-policer-profile {


input-priority-map {


ieee-802.1p {
premium [ 2 3 ];
}


}




output-priority-map {


classifier {


premium {


forwarding-class best-effort {
loss-priority low;
}




forwarding-class expedited-forwarding {
loss-priority low;
}




forwarding-class assured-forwarding {
loss-priority high;
}




forwarding-class network-control {
loss-priority high;
}


}


}


}




policer policer-1 {


premium {
bandwidth-limit 100m;
burst-size-limit 3k;
}




aggregate {
bandwidth-limit 200m;
burst-size-limit 3k;
}


}


}


}


}




unit 0 {


accept-source-mac {


mac-address 00:01:02:03:04:05 {


policer {
input policer-1;
output policer-1;
}


}


}


}


}

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