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Troubleshooting
221
DWC-1000 Wireless Controller User’s Guide
Performing DNS Lookups
Path: TOOLS > System Check
The wireless controller provides a DNS lookup function that lets you retrieve the IP address
of a Web, FTP, Mail, or any other server on the Internet.
1. Click TOOLS > System Check. The SYSTEM CHECK page appears.
2. Under Perform a DMS Lookup, in the Internet Name field, enter an Internet name.
3. Click Lookup. The results appear in the Command Output page. If the host or domain
entry exists, a response appears with the IP address. If the message Host Unknown
appears, the Internet name does not exist.
4. Click Back to return to the SYSTEM CHECK page.
- DWC-1000 Wireless Controller 1
- Contents 3
- PREFACE 7
- Audience 8
- Document Revision Level 9
- Changes in this Revision 9
- Related Documents 9
- Document Conventions 10
- 1. PRODUCT OVERVIEW 11
- Features and Benefits 12
- Unpacking 14
- Package Contents 14
- Selecting a Location 15
- One RJ-45 Console Port 16
- Two Gigabit Option Ports 16
- Two USB 2.0 Ports 17
- Power LED 17
- Rear Panel 18
- Licenses 19
- Unpacking and Installation 20
- Sample Applications 22
- Where to Go from Here 26
- 3. BASIC CONFIGURATION 27
- Basic Configuration 29
- Channel 36
- Table 3-4. WEP Page Settings 38
- 10. Click Save Settings 41
- 2. Add captive portal users 44
- General Details 49
- QoS Configuration 53
- Configuring DSCP Priorities 55
- Configuring CoS Priorities 56
- Enabling VLANs 59
- Creating VLANs 60
- 4. Click Save Settings 61
- Editing VLANs 62
- Deleting VLANs 64
- Port VLANs 65
- MultiVLAN Subnets 66
- DMZ Settings 69
- Configuring DMZ Settings 70
- Static Routing 72
- Editing Static Routes 74
- Deleting Static Routes 75
- Auto-Failover Settings 76
- Load Balancing Settings 78
- 5. SECURING YOUR NETWORK 82
- Managing Clients 83
- Securing Your Network 84
- Editing Clients 86
- Deleting Clients 87
- Content Filtering 88
- Specifying Approved URLs 89
- Specifying Blocked Keywords 91
- Exporting Web Filters 92
- Additional Security Settings 94
- 6. VPN SETTINGS 95
- Configuring VPN Clients 96
- Configuring IPsec Policies 98
- Example of a Manual Policy 106
- Editing IPsec Policies 107
- Enabling IPsec Policies 108
- Disabling IPsec Policies 109
- Exporting IPsec Policies 110
- Deleting IPsec Policies 111
- Mode Config Settings 112
- VPN Settings 113
- Description 114
- Split DNS Names 114
- DHCP Range 115
- PPTP/LT2P Tunnels 116
- Configuring PPTP Servers 117
- L2TP Tunnel Support 121
- OpenVPN Support 124
- Additional VPN Settings 126
- CPU Utilization 130
- Memory Utilization 130
- Viewing System Status 131
- Viewing Cluster Information 135
- Figure 7-5. DASHBOARD Page 138
- Wired Port Statistics 139
- LAN-Associated Clients 142
- WLAN-Associated Clients 144
- State 145
- Associated Clients 146
- LAN Clients 148
- Detected Clients 149
- Access Point Status 151
- Access Points Utilization 152
- Access Point Summary 153
- Managed Access Point 155
- AP RF Scan Status 159
- Global Status 161
- Peer Controller Status 164
- List of Peer Controllers 165
- IP Discovery 169
- Configuration Receive Status 171
- AP Hardware Capability 173
- Client Status 174
- 802.11 Clients BAR Graph 175
- 802.11 Clients - Data 175
- Clients - Data 175
- Associated Client Status 176
- Associated Client VAP Status 180
- Detected Client Status 184
- Pre-Authorization History 186
- Detected Client Roam History 187
- 8. MAINTENANCE 188
- Group Management 189
- Maintenance 190
- Group Configuration 191
- User Type 191
- Editing User Groups 192
- Deleting User Groups 192
- Configuring Login Policies 193
- Configuring Browser Policies 194
- Configuring IP Policies 196
- User Management 199
- Importing Users 201
- Editing Users 202
- Deleting Users 203
- Upgrading Firmware 208
- Activating Licenses 211
- 9. TROUBLESHOOTING 214
- LED Troubleshooting 215
- Troubleshooting 216
- Problems with Date and Time 217
- Connection Problems 217
- Pinging an IP Address 218
- Using Traceroute 219
- Performing DNS Lookups 221
- Capturing Log Packets 222
- Checking Log Settings 223
- Severity 224
- Tracking Traffic 225
- Accepted Packets Example 226
- Dropped Packets Example 226
- Remote Logging 227
- IPsec VPN Log Messages 231
- Access Point Planning 233
- Wireless Controller Planning 233
- Feature 236
- Default Setting 236
- APPENDIX C. GLOSSARY 237
- Definition 238
- (USA and Canada Only) 239
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