Document Outline

• 1 Introduction
  • 1.1 Structure of this Guide
  • 1.2 Product Overview
    • 1.2.1 Indicators
    • 1.2.2 Connectors
  • 2 Configuration and Management
    • 2.1 Access and Login to the Web User Interface
      • 2.1.1 Inactivity Timeout
    • 2.2 Overview
      • 2.2.1 Change Default Password
      • 2.2.2 Alarms
      • 2.2.3 Network Information
    • 2.3 Configuration Wizard
      • 2.3.1 Internet Access
        • 2.3.1.1 SIM Authentication
        • 2.3.1.2 APN
        • 2.3.1.3 PPP User Authentication
      • 2.3.2 Wireless LAN Access
        • 2.3.2.1 Enable the Wireless LAN
        • 2.3.2.2 Region
        • 2.3.2.3 Channel Selection
        • 2.3.2.4 Network Name
      • 2.3.3 Wireless LAN Authentication
        • 2.3.3.1 None
        • 2.3.3.2 WEP Encryption Key
        • 2.3.3.3 WPA/WPA2 Passphrase
      • 2.3.4 Configuration Wizard Confirmation
    • 2.4 Internet
      • 2.4.1 Mobile Network Connection Details
      • 2.4.2 Traffic Statistics
      • 2.4.3 Authentication
      • 2.4.4 Unblock SIM Card
      • 2.4.5 Change PIN
    • 2.5 LAN
      • 2.5.1 LAN IP Address
      • 2.5.2 DHCP Server
      • 2.5.3 Traffic Statistics
      • 2.5.4 LAN Port Status
    • 2.6 Wireless LAN
      • 2.6.1 Enable WLAN
      • 2.6.2 Region
      • 2.6.3 Radio Channel
      • 2.6.4 Transit Power [dBm]
      • 2.6.5 Scan for Wireless Networks
      • 2.6.6 Network Name (SSID)
      • 2.6.7 WLAN Security
        • 2.6.7.1 None
        • 2.6.7.2 WEP and WEP Encryption Key
        • 2.6.7.3 WPA/WPA2 and Passphrase
      • 2.6.8 Connected Devices
      • 2.6.9 Whitelist
        • 2.6.9.1 Add Client(s) to the Whitelist
        • 2.6.9.2 Find a Wireless Client MAC Address
    • 2.7 NAT
      • 2.7.1 UPnP IGD
      • 2.7.2 Application Level Gateways
      • 2.7.3 Port Forwarding
        • 2.7.3.1 Add a Port Forwarding Rule
        • 2.7.3.2 Port Forwarding Example
        • 2.7.3.3 Edit Port Forwarding Rule
        • 2.7.3.4 Delete Port Forwarding Rule
    • 2.8 File and Printer Sharing
      • 2.8.1 How it Works
      • 2.8.2 Host Name and Workgroup
      • 2.8.3 File Sharing
      • 2.8.4 Printer Sharing
    • 2.9 System
      • 2.9.1 Basic System Information
      • 2.9.2 Configuration Backup and Restore
        • 2.9.2.1 Back Up Current Configuration
        • 2.9.2.2 Restore from Backup File
      • 2.9.3 System Restart
      • 2.9.4 Software Update
        • 2.9.4.1 Automatic Software Installation
        • 2.9.4.2 Manual Software Update
        • 2.9.4.3 Install new Software from a Local File
      • 2.9.5 Factory Reset
    • 2.10 Event Log
      • 2.10.1 Persistent Logging
  • 3 PC Configuration
    • 3.1 IP Settings
      • 3.1.1 Obtain IP Settings Automatically
        • 3.1.1.1 Windows XP
        • 3.1.1.2 Windows 2000
      • 3.1.2 Configure Static IP Address
    • 3.2 Wireless LAN Settings
      • 3.2.1 Prepare the Wireless Client(s)
      • 3.2.2 Install the Wireless LAN Interface
      • 3.2.3 Configure Access to the Ericsson W21
    • 3.3 Sharing Settings
      • 3.3.1 Check Workgroup Settings
        • 3.3.1.1 Windows XP
        • 3.3.1.2 Windows 2000
      • 3.3.2 Access a Shared Storage Device
      • 3.3.3 Set Up a Connection to a Shared Storage Device
        • 3.3.3.1 Windows XP
        • 3.3.3.2 Windows 2000
      • 3.3.4 Access a Shared Printer
        • 3.3.4.1 Printer Supporting the Samba Protocol
        • 3.3.4.2 Printer Supporting the RAW Protocol
  • 4 Troubleshooting
    • 4.1 Restart the Ericsson W21
    • 4.2 Reset the Ericsson W21 to Factory Default Settings
    • 4.3 No Access to Ericsson W21 Web Pages
    • 4.4 No Internet Access
    • 4.5 Slow or Intermittent Internet Connection
    • 4.6 No Access to a Certain Internet Application
    • 4.7 No LAN Connection
    • 4.8 No Wireless LAN Connection
    • 4.9 Slow or Intermittent Wireless LAN Connection
    • 4.10 No Access to Shared Files or Printer
  • Glossary