Netgear C7100v High Speed Cable Modem Router User Manual
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Connect to the Network and Access the Modem Router 21 AC1900 Cable Modem Voice Router 6. Click the Next button. 7. Click the Next button. The modem router connects to the Internet. The BASIC Home page displays the status of the Internet connection. Access the Modem Router With the NETGEAR genie App The genie app is the easy dashboard for managing, monitoring, and repairing your home network. The genie app can help you with the following: • Automatically repair common WiFi network problems. • Easily manage modem router features like Live Parental Controls, guest access, Internet traffic meter, speed test, and more. To use the genie app to access the modem router: 1. V isit the NETGEAR genie web page at NETGEAR.com/genie. 2. Follow the onscreen instructions to install the app on your smartphone, tablet, or computer. 3. Launch the genie app. The genie app dashboard page displays.
22 3 3. Specify Your Internet Settings Usually, the quickest way to set up the modem router to use your Internet connection is to allow the modem router to detect the Internet connection when you first access the modem router with a web browser. You can also customize or specify your Internet settings. This chapter contains the following sections: •Specify the Cable Connection Starting Frequency •View Modem Router Initialization •Manually Set Up the Internet Connection •Specify an IPv6 Internet Connection •Change the MTU Size
Specify Your Internet Settings 23 AC1900 Cable Modem Voice Router Specify the Cable Connection Starting Frequency The starting frequency is automatically generated. For most Internet connections, you do not need to specify this information. If you must enter a starting frequency, contact your Internet provider. To change the starting frequency: 1. Launch a web browser from a computer or mobile device that is connected to the network. 2. T ype http://routerlogin.net or http://192.168.0.1. A login window opens. 3. Enter the modem router user name and password. The user name is admin. The default password is password. The user name and password are case-sensitive. The BASIC Home page displays. 4. Select Cable Connection. The page displays the status of all downstream and upstream channels. 5. In the Starting Frequency field, type a number. 6. Click the Apply button. Your settings are saved.
Specify Your Internet Settings 24 AC1900 Cable Modem Voice Router View Modem Router Initialization You can track the initialization procedure of the modem router and get details about the downstream and upstream cable channel. The time is displayed after the modem router is initialized. The modem router automatically goes through the following steps in the provisioning process: 1. Scans and locks the downstream frequency and then ranges the upstream channels. 2. Obtains a WAN address for the modem router. 3. Connects to the Internet. To view the status of the modem router initialization: 1. Launch a web browser from a computer or mobile device that is connected to the network. 2. T ype http://routerlogin.net or http://192.168.0.1. A login window opens. 3. Enter the modem router user name and password. The user name is admin. The default password is password . The user name and password are case-sensitive. The BASIC Home page displays. 4. Select Cable Connection. The Startup Procedure section displays the initialization progress. The page also displays the status of all downstream and upstream channels.(Scroll down to view all the channels.) The number of downstream and upstream channels that are locked depends on the number of channels that your Internet provider uses.
Specify Your Internet Settings 25 AC1900 Cable Modem Voice Router Manually Set Up the Internet Connection In most situations, you do not need to change these settings. We recommend that you use the default settings for DHCP because most cable Internet services provide the IP address through DHCP. To specify the Internet connection settings: 1. Launch an Internet browser from a computer or mobile device that is connected to the network. 2. T ype http://www.routerlogin.net or http://www.routerlogin.com . A login window opens. 3. Enter the modem router user name and password. The user name is admin. The default password is password. The user name and password are case-sensitive. The BASIC Home page displays. 4. Select ADV ANCED > Setup > Internet . 5. If your Internet connection requires an account name or host name, type it in the Account Name (If Required) field. 6. If your Internet connection requires a domain name, type it in the Domain Name (If Required) field. For the other sections in this page, the default settings usually work, but you can change them. 7. Select an Internet IP Address radio buttons: •Get Dynamically from ISP . Your ISP uses DHCP to assign your IP address. Your ISP automatically assigns these addresses.
Specify Your Internet Settings 26 AC1900 Cable Modem Voice Router •Use Static IP Address address that your ISP assigned. The gateway is the ISP modem router to which your modem router connects. 8. Select a Domain Name Server (DNS) Address radio button: •Get Automatically from ISP. Your ISP uses DHCP to assign your DNS servers. Your ISP automatically assigns this address. •Use These DNS Servers this option. Enter the IP address of your ISP’s primary DNS server. If a secondary DNS server address is available, enter it also. 9. Select a Router MAC Address radio button: •Use Default Address. Use the default MAC address. •Use Computer MAC Address. The modem router captures and uses the MAC address of the computer that you are now using. You must use the one computer that the ISP allows. •Use This MAC Address. Enter the MAC address that you want to use. 10. Click the Apply button. Your settings are saved. Chapter 11, Troubleshooting. Specify an IPv6 Internet Connection To specify an IPv6 Internet connection: 1. Launch an Internet browser from a computer or mobile device that is connected to the network. 2. Type http://www.routerlogin.net or http://www.routerlogin.com. A login window opens. 3. Enter the modem router user name and password. The user name is admin. The default password is password. The user name and password are case-sensitive. The BASIC Home page displays.
Specify Your Internet Settings 27 AC1900 Cable Modem Voice Router 4. Select ADVANCED > Advanced Setup > IPv6 . If your Internet provider supports IPV6, the System Delegated Prefix field displays IPv6 information. 5. Select an IP Address Assignment radio button: •Use DHCP Server . This method passes more information to LAN devices, but some IPv6 systems might not support the DHCP client function. • Auto Config. This is the default setting. This setting specifies how the modem router assigns IPv6 addresses to the home network (the LAN). 6. Complete the fields in the Server Settings section. 7. Click the Apply button. Your settings are saved. Change the MTU Size The maximum transmission unit (MTU) is the largest data packet a network device transmits. When one network device communicates across the Internet with another, the data packets travel through many devices along the way. If a device in the data path uses a lower MTU setting than the other devices, the data packets must be split or “fragmented” to accommodate the device with the smallest MTU. The best MTU setting for NETGEAR equipment is often the default value. In some situations, changing the value fixes one problem but causes another. Leave the MTU unchanged unless one of these situations occurs:
Specify Your Internet Settings 28 AC1900 Cable Modem Voice Router • You experience problems connecting to your ISP or other Internet service, and the technical support of either the ISP or NETGEAR recommends changing the MTU setting. These web-based applications might require an MTU change: - A secure website that does not open, or displays only part of a web page - Y ahoo email - MSN portal - America Online’ s DSL service • Y ou use VPN and experience severe performance problems. •Y ou used a program to optimize MTU for performance reasons, and now you are experiencing connectivity or performance problems. Note: An incorrect MTU setting can cause Internet communication problems. For example, you might not be able to access certain websites, frames within websites, secure login pages, or FTP or POP servers. To change the MTU size: 1. Launch an Internet browser from a computer or mobile device that is connected to the network. 2. T ype http://www.routerlogin.net or http://www.routerlogin.com . A login window opens. 3. Enter the modem router user name and password. The user name is admin. The default password is password . The user name and password are case-sensitive. The BASIC Home page displays. 4. Select ADV ANCED > Setup > WAN Setup .
Specify Your Internet Settings 29 AC1900 Cable Modem Voice Router 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 2. Common MTU sizes MTUApplication 1500 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. 1492 Used in PPPoE environments. 1472 Maximum size to use for pinging. (Larger packets are fragmented.) 1468 Used in some DHCP environments. 1460 Usable by AOL if you do not use large email attachments, for example.
30 4 4. Control Access to the Internet ect your home network from unwanted intrusions from the Internet. This chapter includes the following sections: •Set Up Parental Controls •Block Access to Your Network •Use Keywords to Block Internet Sites •Block Services From the Internet •Schedule When to Block Internet Sites and Services •Avoid Blocking on a Trusted Computer •Set Up Security Event Email Notifications •Manage Services •Enable or Disable NAT