Specifications

About QoS
RoamAbout Mobility System Software Configuration Guide 12-3
QoS Mode
MSSsupports Layer 2andLayer 3classificationandmarkingoftraffic,tohelpprovideend‐to‐end
QoSthroughoutthenetwork.ThefollowingmodesofQoSaresupported:
•Wi‐FiMultimedia(WMM)—ProvideswirelessQoSfortime‐sens itiveapplicationssuchas
voiceandvideo.WMMQoSisenabledbydefaultanddoesnot
requireanyconfiguration.
•SpectraLinkVoicePriority(SVP)—ProvidesoptimizedforwardingofSVPvoicetraf fic.SVP
QoSisdisabledbydefault.
Session‐basedCallAdmissionControl(CAC)isalsosupported.YoucanuseCACwitheitherQoS
modetoensurebandwidthavailabilitybylimitingthenumberofactivesessionsaradiocanhave.
ThestaticCoSoptionenablesyoutoeasilysetCoSforalltrafficonanSSIDbymarkingallthe
SSID’strafficwiththesameCoSvalue.
YoucanuseACLstooverrideCoSmarkingsorsetCoSfornon‐WMMtraffic.
Thefollowingsectionsdescribeeachoftheseoptions.
Broadcast control Mechanisms to reduce overhead caused
by wireless broadcast traffic or traffic from
unauthenticated clients. One or more of
the following can be enabled:
• Proxy ARP
• No-Broadcast
• DHCP Restrict
• All three options are disabled by
default.
set service-profile proxy-arp
set service-profile no-broadcast
set service-profile dhcp-restrict
See the following:
•“Broadcast Control” on
page 12-13
•“Enabling Broadcast Control” on
page 12-17
Session timers Keepalives and timeouts for clients
sessions. The following timeout
parameters can be configured:
user idle timeout—Period a client can
remain idle before being disassociated
(default: 180 seconds)
idle-client probing—keepalives sent to
clients (enabled by default)
set service-profile user-idle-
timeout
set service-profile idle-client-
probing
See “Displaying and Changing
Network Session Timers” on
page 21-8.
Table 12-1 QoS Parameters (continued)
QoS Feature Description Configuration Command