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7. Set the following
From Air Upstream Random Early Detection Threshold
settings for each access category. An early
random drop is done when a traffic stream falls below the set threshold.
8. Configure the following parameters in respect to the intended
To Air Downstream Rate Limit,
or traffic from neighbors
to associated access point radios and the controller:
Maximum Burst Size
Set a maximum burst size from 2 - 1024 kbytes. The smaller the burst, the less likely the
transmit packet transmission will result in congestion for the mesh point’s client
destinations. By trending the typical number of ARP, broadcast, multicast and unknown
unicast packets over a period of time, the average rate for each access category can be
obtained. Once a baseline is obtained, administrators should then add a 10% margin
(minimally) to allow for traffic bursts at the site. The default burst size is 320 kbytes.
Background Traffic
Set a percentage value for background traffic in the transmit direction. This is a
percentage of the maximum burst size for low priority traffic. Background traffic exceeding
the defined threshold is dropped and a log message is generated. Background traffic
consumes the least bandwidth of any access category, so this value can be set to a lower
value once a general transmit rate is known by the network administrator (using a time
trend analysis). The default threshold is 50%.
Best Effort Traffic
Set a percentage value for best effort traffic in the transmit direction. This is a percentage
of the maximum burst size for normal priority traffic. Best effort traffic exceeding the
defined threshold is dropped and a log message is generated. Best effort traffic consumes
little bandwidth, so this value can be set to a lower value once a general transmit rate is
known by the network administrator (using a time trend analysis). The default threshold is
50%.
Video Traffic
Set a percentage value for video traffic in the transmit direction. This is a percentage of
the maximum burst size for video traffic. Video traffic exceeding the defined threshold is
dropped and a log message is generated. Video traffic consumes significant bandwidth,
so this value can be set to a higher value once a general transmit rate is known by the
network administrator (using a time trend analysis). The default threshold is 25%.
Voice Traffic
Set a percentage value for voice traffic in the transmit direction. This is a percentage of
the maximum burst size for voice traffic. Voice traffic exceeding the defined threshold is
dropped and a log message is generated. Voice applications consume significant
bandwidth, so this value can be set to a higher value once a general upstream rate is
known by the network administrator (using a time trend analysis). The default threshold is
0%.
Mesh Rx Rate Limit
Select this option to enable rate limiting for all data transmitted by the device to any mesh
point in the mesh. This feature is disabled by default.
Rate
Define an transmit rate limit from 50 - 1,000,000 kbps. This limit constitutes a threshold
for the maximum the number of packets transmitted or received over the mesh point (from
all access categories). Traffic that exceeds the defined rate is dropped and a log message
is generated. The default setting is 5,000 kbps.
Summary of Contents for WiNG 5.7.1
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