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Chapter 7 Wireless LAN
P-660HWP-Dx User’s Guide
52
7.7 WMM QoS
WMM (Wi-Fi MultiMedia) QoS (Quality of Service) allows you to prioritize wireless traffic
according to the delivery requirements of individual services.
WMM is a part of the IEEE 802.11e QoS enhancement to certified Wi-Fi wireless networks.
7.7.1 WMM QoS Example
When WMM QoS is not enabled, all traffic streams are given the same access throughput to
the wireless network. If the introduction of another traffic stream creates a data transmission
demand that exceeds the current network capacity, then the new traffic stream reduces the
throughput of the other traffic streams.
When WMM QoS is enabled, the streams are prioritized according to the needs of the
application. You can assign different priorities to different applications. This prevents
reductions in data transmission for applications that are sensitive.
7.7.2 WMM QoS Priorities
The following table describes the priorities that you can apply to traffic that the P-660HWP-
Dx sends to the wireless network.
Set This is the index number of the MAC address.
MAC
Address
Enter the MAC addresses of the wireless client that are allowed or denied access to
the P-660HWP-Dx in these address fields. Enter the MAC addresses in a valid MAC
address format, that is, six hexadecimal character pairs, for example,
12:34:56:78:9a:bc.
Apply Click Apply to save your changes to the P-660HWP-Dx.
Cancel Click Cancel to reload the previous configuration for this screen.
Table 39 MAC Address Filter
LABEL DESCRIPTION
Table 40 WMM QoS Priorities
LABEL DESCRIPTION
Highest Typically used for voice traffic or video that is especially sensitive to jitter (variations in
delay). Use the highest priority to reduce latency for improved voice quality.
High Typically used for video traffic which has some tolerance for jitter but needs to be
prioritized over other data traffic.
Mid Typically used for traffic from applications or devices that lack QoS capabilities. Use
mid priority for traffic that is less sensitive to latency, but is affected by long delays,
such as Internet surfing.
Low This is typically used for non-critical “background” traffic such as bulk transfers and
print jobs that are allowed but that should not affect other applications and users. Use
low priority for applications that do not have strict latency and throughput requirements.