Motorola WiNG 5.6 Reference Manual page 522

6 - 56 WiNG 5.6 Access Point System Reference Guide
Maximum Burst Size
7. Set the following
drop is conducted when the amount of tokens for a traffic stream falls below the set threshold for the selected WLAN.
Background Traffic
Best Effort Traffic
Video Traffic
Voice Traffic
8. Configure the following parameters in respect to the WLAN's intended
clients to associated access point radios:
Enable
Rate
Set a maximum burst size from 2 - 1024 kbytes. The smaller the burst, the less likely the
upstream packet transmission will result in congestion for the WLAN's wireless 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 minimum of a
10% margin to allow for traffic bursts at the site. The default burst size is 320 kbytes.
Upstream Random Early Detection Threshold
Set a percentage for WLAN background traffic in the upstream 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 upstream rate is known by the network administrator (using a time
trend analysis). The default threshold is 50%.
Set a percentage for WLAN best effort traffic in the upstream 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
upstream rate is known by the network administrator (using a time trend analysis). The
default threshold is 50%.
Set a percentage for WLAN video traffic in the upstream 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 upstream rate is known by the
network administrator (using a time trend analysis). The default threshold is 25%.
Set a percentage for WLAN voice traffic in the upstream 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%.
Select this radio button to enable rate limiting for data transmitted from access point
radios to associated wireless clients. Enabling this option does not invoke rate limiting for
data traffic in the upstream direction. This feature is disabled by default.
Define an upstream 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 WLAN (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.
settings for each access category. An early random
Downstream Rate Limit, or traffic from wireless