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Chapter 1 Overview
VLAN Support
•Avoiding and managing network congestion
•Prioritizing service to different kinds of network traffic
•Shaping network traffic
•Setting traffic priorities across the network
Limitations and Restrictions
The QoS implementation on the bridge has the following limitations and restrictions:
•Provides only prioritized QoS for downlink traffic on IEEE 802.11 links and does not support a general purpose QoS signalling protocol, uniform admission control, guaranteed bandwidth, and other features that are generally associated with parametized QoS.
•Supports rudimentary admission control mechanisms for Spectralink and Symbol VoIP phones.
•Does not provide a method for prioritizing uplink traffic on IEEE 802.11 links.
•Does not offer 802.1X authentication for Symbol VoIP phones because those phones do not support an 802.1X type such as LEAP or
•The DTIM beacon period must be small to support
•Supports IEEE 802.11e
Related Documents
The following documents provide more detailed information pertaining to QoS design and configuration:
•Cisco Internetworking Technology Handbook
•Cisco IOS Quality of Service Solutions Command Reference, Version 12.2
These documents are available on Cisco.com.
VLAN Support
Version 12.01T supports VLAN technology by mapping SSIDs to VLANs. With the
What is a VLAN?
A switched network can be logically segmented into virtual
Cisco Aironet 350 Series Bridge Software Configuration Guide
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