Overview
Summit WM3000 Series Controller System Reference Guide24
802.11e QoS
802.11e enables real-time audio and video streams to be assigned a higher priority over data traffic. The
controller supports the following 802.11e features:
● Basic WMM
● WMM Linked to 802.1p Priorities
● WMM Linked to Differentiated Services Code Point (DSCP) Priorities
● Fully Configurable WMM
● Admission Control
● WMM-UPSD ((Unscheduled Power Save Delivery))
● Block ACKQBSS Beacon Element
802.1p Support
802.1p is a standard for providing QoS in 802-based networks. 802.1p uses three bits to allow controllers
to re-order packets based on priority level.
Voice QoS
When controller resources are shared between a Voice over IP (VoIP) conversation and a file transfer,
bandwidth is normally exploited by the file transfer, possibly reducing the quality of the conversation.
With QoS, a VoIP conversation (a real-time session), receives priority, maintaining a high level of voice
quality. Voice QoS ensures:
● Strict Priority
● Spectralink Prioritization
● VOIP Prioritization (IP ToS Field)
● Multicast Prioritization
Data QoS
The controller supports the following data QoS techniques:
● Egress Prioritization by WLAN
● Egress Prioritization by ACL
DSCP to AC Mapping
The controller provides arbitrary mapping between Differentiated Services Code Point (DSCP) values and
WMM Access Categories. This mapping can be set manually.
Wireless Layer 2 Switching
The controller supports the following layer 2 wireless switching techniques:
● WLAN to VLAN
● MU User to VLAN
● WLAN to generic routing encapsulation (GRE)
Automatic Channel Selection
Automatic channel selection works sequentially as follows:
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