User Guide
Table Of Contents
- Nortel WLAN Security Switch 2300 Series Configuration Guide
- Contents
- How to get Help
- Introducing the Nortel WLAN 2300 System
- Using the Command-Line Interface
- Configuring AAA for Administrative and Local Access
- Configuring and Managing Ports and VLANs
- Configuring and Managing Ports
- Configuring and Managing VLANs
- Managing the Layer 2 Forwarding Database
- Port and VLAN Configuration Scenario
- Configuring and Managing IP Interfaces and Services
- MTU Support
- Configuring and Managing IP Interfaces
- Configuring the System IP Address
- Configuring and Managing IP Routes
- Managing the Management Services
- Configuring and Managing DNS
- Configuring and Managing Aliases
- Configuring and Managing Time Parameters
- Setting the Time Zone
- Configuring the Summertime Period
- Statically Configuring the System Time and Date
- Displaying the Time and Date
- Configuring and Managing NTP
- Adding an NTP Server
- Removing an NTP Server
- Changing the NTP Update Interval
- Resetting the Update Interval to the Default
- Enabling the NTP Client
- Displaying NTP Information
- Managing the ARP Table
- Pinging Another Device
- Logging In to a Remote Device
- Tracing a Route
- IP Interfaces and Services Configuration Scenario
- Configuring SNMP
- Overview
- Configuring SNMP
- Displaying SNMP Information
- Configuring and Managing Mobility Domain Roaming
- Configuring User Encryption
- Configuring AP access points
- AP Overview
- Configuring AP access points
- Specifying the Country of Operation
- Configuring a Template for Automatic AP Configuration
- Configuring AP Port Parameters
- Configuring AP-WSS Security
- Configuring a Service Profile
- Configuring a Radio Profile
- Configuring Radio-Specific Parameters
- Mapping the Radio Profile to Service Profiles
- Assigning a Radio Profile and Enabling Radios
- Disabling or Reenabling Radios
- Displaying AP Information
- Displaying AP Configuration Information
- Displaying a List of Distributed APs
- Displaying a List of Distributed APs that Are Not Configured
- Displaying Connection Information for Distributed APs
- Displaying Service Profile Information
- Displaying Radio Profile Information
- Displaying AP Status Information
- Displaying AP Statistics Counters
- Configuring RF Auto-Tuning
- Wi-Fi Multimedia
- Configuring and Managing Spanning Tree Protocol
- Configuring and Managing IGMP Snooping
- Configuring and Managing Security ACLs
- About Security Access Control Lists
- Creating and Committing a Security ACL
- Mapping Security ACLs
- Modifying a Security ACL
- Using ACLs to Change CoS
- Enabling Prioritization for Legacy Voice over IP
- Security ACL Configuration Scenario
- Managing Keys and Certificates
- Why Use Keys and Certificates?
- About Keys and Certificates
- Creating Keys and Certificates
- Choosing the Appropriate Certificate Installation Method for Your Network
- Creating Public-Private Key Pairs
- Generating Self-Signed Certificates
- Installing a Key Pair and Certificate from a PKCS #12 Object File
- Creating a CSR and Installing a Certificate from a PKCS #7 Object File
- Installing a CA’s Own Certificate
- Displaying Certificate and Key Information
- Key and Certificate Configuration Scenarios
- Configuring AAA for Network Users
- About AAA for Network Users
- AAA Tools for Network Users
- Configuring 802.1X Authentication
- Configuring Authentication and Authorization by MAC Address
- Configuring Web-based AAA
- Configuring Last-Resort Access
- Configuring AAA for Users of Third-Party APs
- Assigning Authorization Attributes
- Overriding or Adding Attributes Locally with a Location Policy
- Configuring Accounting for Wireless Network Users
- Displaying the AAA Configuration
- Avoiding AAA Problems in Configuration Order
- Configuring a Mobility Profile
- Network User Configuration Scenarios
- Configuring Communication with RADIUS
- Managing 802.1X on the WSS Switch
- Managing Sessions
- Managing System Files
- Rogue Detection and Countermeasures
- About Rogues and RF Detection
- Summary of Rogue Detection Features
- Configuring Rogue Detection Lists
- Enabling Countermeasures
- Disabling or Reenabling Active Scan
- Enabling AP Signatures
- Disabling or Reenabling Logging of Rogues
- Enabling Rogue and Countermeasures Notifications
- IDS and DoS Alerts
- Displaying RF Detection Information
- Appendix A: Troubleshooting a WS Switch
- Fixing Common WSS Setup Problems
- Recovering the System Password
- Configuring and Managing the System Log
- Running Traces
- Using Show Commands
- Remotely Monitoring Traffic
- Capturing System Information for Technical Support
- Appendix B: Supported RADIUS Attributes
- Appendix C: Mobility Domain Traffic Ports
- Appendix D: DHCP Server
- Glossary
- Index
- Command Index
Configuring AP access points 233
Nortel WLAN Security Switch 2300 Series Configuration Guide
● If the DHCP Ack message contained a list of WSS hostnames in DHCP option 43, the AP sends
DNS Requests to the DNS server for the IP addresses of the switches, then sends a unicast Find
WSS message to each address. The process continues with step 8.
● If no WSS switches reply, the AP resends the Find WSS messages up to 11 more times. If no WSSs
reply after all 12 attempts, the AP tries to find an WSS switch using the DNS server. The process
continues with step 5.
5 If the AP is unable to locate an WSS on the subnet it is connected to, and is unable to find an WSS based
on DHCP option 43, the AP sends DNS requests to both NORTEL and wlan-switch, where the DNS
suffix for mynetwork.com is learned through DHCP.
6 The DNS server replies with the system IP address of an WSS switch.
● If only NORTEL is defined in DNS, the AP sends a unicast Find WSS message to the WSS switch
whose IP address is returned for NORTEL.
● If only wlan-switch is defined in DNS, the AP sends a unicast Find WSS message to the WSS switch
whose IP address is returned for wlan-switch.
● If both NORTEL and wlan-switch are defined in DNS, the AP sends a unicast Find WSS message to
the WSS switch whose IP address is returned for NORTEL. The AP ignores the IP address returned
for wlan-switch.
● If both NORTEL and wlan-switch are defined in DNS, and the AP is unable to contact the IP address
returned for NORTEL, the AP never contacts the IP address returned for wlan-switch. The AP does
not boot.
7 The AP sends Find WSS requests to the WSS IP addresses given by the DNS reply. If an WSS receives
the Find WSS Request, the process continues with step 8.
However, if no WSS switches reply, the AP retries this method up to 11 more times:
● If no WSSs reply after all 12 attempts, the AP begins the process again with step 1 on the other AP
port.
● If the other AP port does not have a link or the AP has only one port, the AP instead restarts, and
begins the process again with step 1 on the same AP port.
8 The WSS that receives the Find WSS request determines the best WSS for the AP to use, based on the
bias settings for the AP on each switch. If more than one switch has high bias for the AP or all switches
have the same bias, the WSS suggests the switch that has the highest capacity to add new active AP
connections.
9 The WSS sends a unicast Find WSS Reply message to the AP containing the system IP address of the
best WSS switch to use.
10 The AP sends a unicast message to the suggested WSS switch, to request a software image and
configuration. If the AP does not receive a reply after 10 seconds, the AP reboots and starts the boot
process over at step 1.
Note. This method requires DNS address records on the DNS server that map
the hostnames to the WSS IP addresses.
Note. You must configure a DNS address record on your DNS server for the
WSS IP address. Otherwise, the DNS server cannot provide the WSS switch’s
address to the AP.