Dell S5148F-ON OS10 Enterprise Edition User Guide Release 10.3.2E-R2 - Page 454
Storm control, Control-plane policing
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• cir committed-rate-Enter a committed rate value in kilobits per second (kbps) (0 to 40000000). • bc committed-burst-size-(Optional) Enter a committed burst size in packets for control plane and kbps (16 to 200000, default 200). • pir peak-rate-Enter a peak-rate value in kbps (0 to 40000000). • be peak-burst-size-(Optional) Enter a peak burst size in kbps (16 to 200000, default 200). 4 (Optional) Configure traffic policing for a specific queue in POLICY-MAP-CLASS-MAP mode. Queue number range is from 0 to 7 for qos policy map and 0 to 11 for control-plane policy map. set qos-group queue-number Configure policy-based rate policy OS10(config)# policy-map type qos galaxy OS10(conf-pmap-qos)# class bigbang OS10(conf-pmap-c-qos)# police cir 5 bc 30 pir 20 be 40 Configure rate policing on specific queue OS10(config)# policy-map bronze OS10(conf-pmap-qos)# class silver OS10(conf-pmap-c-qos)# set qos-group 7 OS10(conf-pmap-c-qos)# police cir 5 pir 30 View policy-map OS10(conf-pmap-c-qos)# do show policy-map Service-policy (qos) input: galaxy Class-map (qos): bigbang police cir 5 bc 30 pir 20 be 40 Service-policy (qos) input: bronze Class-map (qos): silver police cir 5 bc 100 pir 30 be 100 Storm control Traffic storms created by packet flooding or other reasons may degrade the performance of the network. The storm control feature allows you to control unknown unicast, multicast, and broadcast traffic on Layer 2 and Layer 3 physical interfaces. In the storm control unknown unicast configuration, both the unknown unicast and unknown multicast traffic are rate-limited. OS10 device monitors the current level of traffic rate at fixed intervals, compares the traffic rate with configured levels, and drops excess traffic. By default, storm control is disabled on all interfaces. You can enable storm control using the storm-control { broadcast | multicast | unknown-unicast } rate-in-pps command in the INTERFACE mode. NOTE: In S5148F-ON, there is a 2% of deviation in the storm control configuration. Configure storm control • The following example enables broadcast storm control with a rate of 1000 packets per second (pps) on Ethernet 1/1/1. OS10(conf-if-eth1/1/1)# storm-control broadcast 1000 Control-plane policing Control-plane policing (CoPP) increases security on the system by protecting the route processor from unnecessary traffic and giving priority to important control plane and management traffic. CoPP uses a dedicated control plane configuration through the QoS CLIs to provide filtering and rate-limiting capabilities for the control plane packets. 454 Quality of service