Extreme Networks Summit WM Series Guia do Utilizador Página 19
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Summit WM-Series Switch Software and your network
Summit WM-Series WLAN Switch and Altitude Access Point Software Version 1.0 User Guide
19
Network security
The Summit WM-Series Switch Software system provides features and functionality to control network
access. These are based on standard wireless network security practices.
Current wireless network security methods provide a degree of protection. These methods include:
● Shared Key authentication that relies on Wired Equivalent Privacy (WEP) keys
● Open System that relies on Service Set Identifiers (SSIDs)
● 802.1x that is compliant with Wi-Fi Protected Access (WPA)
● Captive Portal based on Secure Sockets Layer (SSL) protocol
The Summit WM-Series Switch Software system supports these encryption approaches:
● Wired Equivalent Privacy (WEP), a security protocol for wireless local area networks defined in the
802.11b standard
● Wi-Fi Protected Access version 1 (WPA1
TM
) with Temporal Key Integrity Protocol (TKIP)
● Wi-Fi Protected Access version 2 (WPA2
TM
) with Advanced Encryption Standard (AES) and Counter
Mode with Chipher Block Chaining Message Authentication Code (CCMP).
Authentication
The Summit WM-Series Switch relies on a RADIUS server, or authentication server, on the enterprise
network to provide the authentication information (whether the user is to be allowed or denied access
to the network).
The Summit WM-Series Switch provides authentication using:
● Captive Portal, a browser-based mechanism that forces users to a web page
● RADIUS (using IEEE 802.1x)
The 802.1x mechanism is a standard for authentication developed within the 802.11 standard. This
mechanism is implemented at the port, blocking all data traffic between the wireless device and the
network until authentication is complete. Authentication by 802.1x standard uses Extensible
Authentication Protocol (EAP) for the message exchange between the Summit WM-Series Switch and
the RADIUS server.
When 802.1x is used for authentication, the Summit WM-Series Switch provides the capability to
dynamically assign per-wireless-device WEP keys (called per-station WEP keys in 802.11).
In Summit WM-Series Switch Software, a RADIUS redundancy feature is provided, where you can
define a failover RADIUS server (up to 2 servers) in the event that the active RADIUS server fails.
Privacy
Privacy is a mechanism that protects data over wireless and wired networks, usually by encryption
techniques.
Summit WM-Series Switch Software supports the Wired Equivalent Privacy (WEP) standard common to
conventional access points.
- 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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