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Rate-limit – Brocade Mobility RFS Controller CLI Reference Guide (Supporting software release 5.5.0.0 and later) User Manual

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Brocade Mobility RFS Controller CLI Reference Guide

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no rate-limit [meshpoint|neighbor] [from-air|to-air] {red-threshold

[background|

best-effort|video|voice]}

Example

rfs7000-37FABE(config-meshpoint-qos-test)#show context

meshpoint-qos-policy test

rate-limit meshpoint from-air rate 80000

rate-limit meshpoint from-air red-threshold video 80

rate-limit meshpoint from-air red-threshold voice 70

accelerated-multicast 224.0.0.1 classification video

rfs7000-37FABE(config-meshpoint-qos-test)#no rate-limit meshpoint from-air

rate

rfs7000-37FABE(config-meshpoint-qos-test)#no rate-limit meshpoint from-air

red-threshold video 80

rfs7000-37FABE(config-meshpoint-qos-test)#no rate-limit meshpoint from-air

red-threshold voice 70

rfs7000-37FABE(config-meshpoint-qos-test)#show context

meshpoint-qos-policy test

accelerated-multicast 224.0.0.1 classification video

rfs7000-37FABE(config-meshpoint-qos-test)#

rate-limit

meshpoint-qos-policy-config-instance

Configures the rate limiting of traffic on a per meshpoint or per neighbor basis

Excessive traffic can cause performance issues or bring down the network entirely. Excessive
traffic, bombardments and interference are caused by numerous sources, such as network loops,
faulty devices, or malicious software (such as a worm or virus) that has infected one or more
branch-level devices. Rate limiting limits the maximum rate sent to or received from the wireless
network (and meshpoint) per neighbor. It prevents any single user from overwhelming the wireless
network. It also provides differential service for service providers. An administrator can set
separate QoS rate limit configurations for data transmitted from the network and data transmitted
from a mesh point's neighbor.

Before defining rate limit thresholds for meshpoint transmit and receive traffic, Brocade
recommends you define the normal number of ARP, broadcast, multicast, and unknown unicast
packets that typically transmit and receive from each supported WMM access category. If
thresholds are defined too low, normal network traffic (required by end-user devices) is dropped,
resulting in intermittent outages and performance problems.

meshpoint

Resets rate limit parameters for a meshpoint

neighbor

Resets rate limit parameters for neighboring meshpoint devices

from-air

Resets the rate limit value for traffic from the wireless neighbor to the network

to-air

Resets the rate limit value for traffic from the network to the wireless neighbor

red-threshold

Optional. Resets the random early detection (RED) threshold for traffic class. The options are:

background – Resets the threshold for low priority traffic

best-effort – Resets the threshold for best effort traffic

video – Resets the threshold for video traffic

voice – Resets the threshold for voice traffic