User`s guide
Table Of Contents
- VMG8924-B10A and VMG8924- B30A Series
- User’s Guide
- Technical Reference
- Network Map and Status Screens
- Broadband
- Wireless
- Home Networking
- 7.1 Overview
- 7.2 The LAN Setup Screen
- 7.3 The Static DHCP Screen
- 7.4 The UPnP Screen
- 7.5 Installing UPnP in Windows Example
- 7.6 Using UPnP in Windows XP Example
- 7.7 The Additional Subnet Screen
- 7.8 The STB Vendor ID Screen
- 7.9 The 5th Ethernet Port Screen
- 7.10 The LAN VLAN Screen
- 7.11 The Wake on LAN Screen
- 7.12 Technical Reference
- Routing
- Quality of Service (QoS)
- Network Address Translation (NAT)
- Dynamic DNS Setup
- Interface Group
- USB Service
- Power Management
- Firewall
- MAC Filter
- Parental Control
- Scheduler Rule
- Certificates
- VPN
- Voice
- Log
- Traffic Status
- VoIP Status
- ARP Table
- Routing Table
- IGMP/MLD Status
- xDSL Statistics
- 3G Statistics
- User Account
- Remote Management
- TR-069 Client
- TR-064
- SNMP
- Time Settings
- E-mail Notification
- Logs Setting
- Firmware Upgrade
- Configuration
- Diagnostic
- Troubleshooting
- Customer Support
- Setting up Your Computer’s IP Address
- IP Addresses and Subnetting
- Pop-up Windows, JavaScripts and Java Permissions
- Wireless LANs
- IPv6
- Services
- Legal Information
- Index

Chapter 41 Troubleshooting
VMG8924-B10A and VMG8924-B30A Series User’s Guide
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5 If the problem continues, contact the vendor.
41.2 Device Access and Login
I forgot the IP address for the Device.
1 The default LAN IP address is 192.168.1.1.
2 If you changed the IP address and have forgotten it, you might get the IP address of the Device by
looking up the IP address of the default gateway for your computer. To do this in most Windows
computers, click Start > Run, enter cmd, and then enter ipconfig. The IP address of the Default
Gateway might be the IP address of the Device (it depends on the network), so enter this IP
address in your Internet browser.
3 If this does not work, you have to reset the device to its factory defaults. See Section 1.6 on page
23.
I forgot the password.
1 The default admin password is 1234.
2 If this does not work, you have to reset the device to its factory defaults. See Section 1.6 on page
23.
I cannot see or access the Login screen in the web configurator.
1 Make sure you are using the correct IP address.
• The default IP address is 192.168.1.1.
• If you changed the IP address (Section 7.2 on page 109), use the new IP address.
• If you changed the IP address and have forgotten it, see the troubleshooting suggestions for I
forgot the IP address for the Device.
2 Check the hardware connections, and make sure the LEDs are behaving as expected. See Section
1.5 on page 21.
3 Make sure your Internet browser does not block pop-up windows and has JavaScripts and Java
enabled. See Appendix D on page 365.
4 If it is possible to log in from another interface, check the service control settings for HTTP and
HTTPS (Maintenance > Remote MGMT).