User Manual
Table Of Contents
- Contents
- 1. Hardware Setup
- 2. Connect to the Network and Access the Cable Modem Router
- 3. Specify Your Internet Settings
- 4. Control Access to the Internet
- Allow or block access to your network
- Use keywords to block Internet sites
- Delete keywords that are used to block Internet sites
- Avoid blocking on a trusted computer
- Block services from the Internet
- Manage network access control lists
- Schedule when to block Internet sites and services
- Set up security event email notifications
- 5. Optimize Performance
- 6. Specify Network Settings
- View or change WAN settings
- Manage Dynamic DNS
- Set up a default DMZ server
- Change the router’s device name
- Change the LAN TCP/IP settings
- Use the router as a DHCP server
- Disable the DHCP server feature in the router
- Manage reserved LAN IP addresses
- Manage custom static routes
- Specify basic WiFi settings
- Change the WiFi password or security level
- Set up a guest WiFi network
- Set up router mode
- Generate a new backhaul password
- 7. Manage Your Network
- Update the router and satellite firmware
- Change the admin password
- Enable admin password reset
- Reset the admin password
- View router status and usage information
- Display Internet port statistics
- Check the Internet connection status
- View satellite status
- View and manage logs of router activity
- View devices connected to the network or edit device information
- View satellites connected to the network or edit satellite information
- Monitor Internet traffic
- Manage the router configuration file
- Remotely access your router using the Orbi app
- 8. Customize Internet Traffic Rules for Ports
- 9. Use VPN to Access Your Network
- 10. Troubleshooting
- 11. Supplemental Information
4. Select ADVANCED > Setup > WAN Setup.
The WAN Setup page displays.
5.
In the MTU Size field, enter a value from 64 to 1500.
6. Click the Apply button.
Your settings are saved.
If you suspect an MTU problem, a common solution is to change the MTU to 1400.
If you are willing to experiment, you can gradually reduce the MTU from the maximum
value of 1500 until the problem goes away. The following table describes common
MTU sizes and applications.
Table 4. Common MTU sizes
ApplicationMTU
The largest Ethernet packet size. This setting is typical for connections that do not use PPPoE
or VPN, and is the default value for NETGEAR routers, adapters, and switches.
1500
Used in PPPoE environments.1492
Maximum size to use for pinging. (Larger packets are fragmented.)1472
Used in some DHCP environments.1468
Used in PPTP environments or with VPN.1436
Typical value to connect to dial-up ISPs.576
User Manual29Specify Your Internet Settings
Orbi WiFi System