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A WM-AD for voice traffic
Summit WM-Series WLAN Switch and Altitude Access Point Software Version 1.0 User Guide
101
5 In the Filtering screen, define a Non-Authenticated Filter that will control specific network access for
any wireless device users on this WM-AD. These rules should be very restrictive. The final rule
should be a “Deny All” rule. The Non-Authenticated Filter for a WM-AD with no authentication will
not have a Captive Portal page for login.
A WM-AD for voice traffic
Voice data traffic on a wireless network
New developments are enabling the integration of internet telephony technology on wireless networks –
Voice over Internet Protocol (VoIP) using 802.11 wireless local area networks (WLANs).
VoIP over 802.11 WLANs raises various issues including quality-of-service (QoS), call control, network
capacity, and network architecture.
Wireless voice data requires a constant transmission rate and must be delivered within a time limit. This
type of data is called isochronous data. This requirement for isochronous data is in contradiction to the
concepts in the 802.11 standard that allow for data packets to wait their turn, to avoid data collisions.
(Regular traffic on a wireless network is an asynchronous process in which data streams are broken up
by random intervals.)
The solution is to add mechanisms to the network that give voice data traffic priority over all other
traffic, and allow for continuous transmission of voice traffic.
Summit WM-Series Switch Software provides advanced Quality of Service (QoS) management, in order
to provide better network traffic flow. Such techniques include:
● WMM (Wi-Fi Multimedia): enabled globally on the Altitude AP, for devices with WMM enabled.,
the standard provides multimedia enhancements that improve the user experience for audio, video,
and voice applications. WMM is part of the 802.11e standard for QoS.
● IP ToS (Type of Service) or DSCP (Diffserv Codepoint): the ToS/DSCP field in the IP header of a
frame is used to indicate the priority and Quality of Service for each frame. The IP TOS and/or
DSCP is maintained within CTP (CAPWAP Tunneling Protocol) by copying the user IP QoS
information to the CTP header — this is referred to as Adaptive QoS.
Quality of Service (QoS) management is also provided by:
● assigning high priority to a WM-AD
● static configuration of an SSID
● support for legacy devices that use SpectraLink Voice Protocol (SVP) for prioritizing voice traffic
Setting up a WM-AD for voice traffic
In order to set up a WM-AD for voice-over-internet traffic, a number of factors should be taken into
account, on the enterprise network and in the Summit WM-Series Switch Software system.
On the enterprise network, the wireless telephone users will require access to:
● a private branch exchange (PBX), a private telephone system within an enterprise, with such features
as voicemail.
- Table of Contents 3
- Formatting conventions 10
- Documentation feedback 10
- Protocols and standards 11
- Regulatory information 11
- About this Guide 12
- Conventional wireless LANS 13
- Wireless AP 15
- Summit WM 15
- Wireless Controller 15
- Network traffic flow 18
- Network security 19
- Policy: packet filtering 21
- Mobility and roaming 21
- Availability 22
- Quality of Service (QoS) 22
- Data ports (4 or 2) 24
- Management ports 24
- Configuration steps: overview 31
- Enabling the product key 31
- Setting up the data ports 32
- Port Type or Function 34
- Setting up static routes 35
- Setting up OSPF Routing 36
- Define port exception filters 40
- 4 Altitude AP: startup 41
- Installing the Altitude APs 43
- Set the discovery timers 45
- Discovery and registration 46
- Registration after discovery 48
- Altitude AP access approval 49
- ● 802.11 b/g (2.4 GHz radio) 53
- ● 802.11a (5 GHz radio) 53
- Adding a Altitude AP manually 56
- Auto Cell software 58
- Configure Auto Cell software 59
- Altitude AP: startup 60
- Introduction 61
- What is a WM-AD? 62
- Topology of a WM-AD 62
- Filtering for a WM-AD 64
- Setting up a new WM-AD 66
- Global Settings for a WM-AD 68
- Topology for a WM-AD 71
- Use DHCP Relay for the WM-AD 74
- Topology for a WM-AD for AAA 75
- Authentication for a WM-AD 76
- ● No Captive Portal Support 80
- Captive Portal” on page 87) 81
- Accounting for a WM-AD 84
- RADIUS Policy for a WM-AD 84
- Filtering rules for a WM-AD 86
- Default Filter: Examples 93
- Multicast for a WM-AD 95
- Privacy for a WM-AD 96
- Privacy for a WM-AD for AAA 97
- A WM-AD for voice traffic 101
- Availability and Mobility 103
- Management users 111
- Network time 112
- Check Point event logging 113
- Setting up SNMP 115
- Setting SNMP Parameters 116
- Overview 123
- Summit Spy: running scans 125
- The Analysis Engine 126
- 11 Ongoing operation 131
- Altitude AP client management 133
- Client disassociate 134
- Client blacklist 135
- Health Checking 136
- Change the system log level 136
- Enable and configure Syslog 136
- Logs and alarms 141
- View the Logs 142
- View the Traces 142
- View the Audits 143
- Reports and displays 144
- View reports 146
- Glossary 147
- D (Continued) 149
- F (Continued) 151
- H (Continued) 152
- I (Continued) 153
- O (Continued) 156
- P (Continued) 157
- S (Continued) 160
- T (Continued) 162
- W (Continued) 164
- Altitude AP system states 168
- B CLI command reference 169
- CLI command reference 170
- RFC list 177
- 802.11 standards list 178
- Reference lists of standards 180
- E Support for Altitude AP 181
- F RADIUS Attributes 183
- RADIUS Accounting 184
- Account-Stop/Interim Packet 185
- Termination Codes 186
- G Logs and Events 187
- Logs and Events 188
- Critical 189
- CDR_COLLECTOR 191
- CONFIG_MANAGER 191
- EVENT_SERVER 192
- RADIUS_ACCOUNTING 194
- RADIUS_CLIENT 194
- RF_DATA_COLLECTOR 195
- RU_MANAGER 195
- SECURITY_MANAGER 196
- STARTUP_MANAGER 197
- STATS_SERVER 198
- ACCESSPOINT 200
- CPDP_AGENT_ID 203
- NSM_SERVER 205
- OSPF_SERVER 206
- PORT_INFO_J_MANAGER 206
- REDIR_ID 207
- H Regulatory Information 213
- Emissions 214
- FCC ID#: RJF-A3502 216
- Part 15 Unlicensed Antenna 217
- European Community 218
- European Spectrum Usage Rules 221
- Regulatory Information 222
- Declarations of Conformity 223
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