N300 WiFi Cable Modem Router Model C3000 User Manual August 2014 202-11275-02 350 East Plumeria Drive San Jose, CA 95134 USA
N300 WiFi Cable Modem Router Model C3000 Support Thank you for selecting NETGEAR products. After installing your device, locate the serial number on the label of your product and use it to register your product at https://my.netgear.com. You must register your product before you can use NETGEAR telephone support. NETGEAR recommends registering your product through the NETGEAR website. For product updates and web support, visit http://support.netgear.com. Phone (US & Canada only): 1-888-NETGEAR.
Contents Chapter 1 Hardware Setup Unpack Your Modem Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Position Your Modem Router. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N300 WiFi Cable Modem Router Model C3000 Add a Network Folder on a USB Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Edit a Network Folder on a USB Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Approve USB Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safely Remove a USB Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N300 WiFi Cable Modem Router Model C3000 View or Change the Modem Router Wireless Channel . . . . . . . . . . . . . . . . . . . . 82 Remote Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 Chapter 8 Specify Internet Port Settings Set Up Port Forwarding to a Local Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 Add a Custom Port Forwarding Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1. 1 Hardware Setup This chapter covers the following topics: • Unpack Your Modem Router • Front Panel • Rear Panel • Position Your Modem Router • Position Your Modem Router • Cable Your Modem Router For more information about the topics covered in this manual, visit the support website at support.netgear.com.
N300 WiFi Cable Modem Router Model C3000 Unpack Your Modem Router Your package contains the following items. Ethernet cable Modem router Power adapter Figure 1. Package contents Front Panel The modem router has status LEDs and buttons on the front. WPS button / LED WiFi On/Off button Power LED Downstream LED Upstream LED Internet LED 2.4 GHz LED Ethernet LED USB LED Figure 2.
N300 WiFi Cable Modem Router Model C3000 You can use the LEDs to verify status and connections. The following table lists and describes each LED and button on the front panel of the modem router. Table 1. Front panel LEDs and buttons LED Description WPS button with This button lets you use WPS to join the WiFi network without typing the WiFi password. LED The WPS LED blinks during this process and then lights solid.
N300 WiFi Cable Modem Router Model C3000 Rear Panel The rear panel has the connections and buttons shown the following figure. USB port (optional) Gigabit Ethernet LAN ports Coaxial cable connector Power adapter input Power On/Off button Figure 3. Modem router rear panel Position Your Modem Router The modem router lets you access your network anywhere within the operating range of your wireless network.
N300 WiFi Cable Modem Router Model C3000 • Make sure that the modem router is within reach of an AC power outlet and near Ethernet cables for wired computers. • Place the modem router in an elevated location, minimizing the number walls and ceilings between the modem router and your other devices. • Place the modem router away from electrical devices such as these: • • - Ceiling fans - Home security systems - Microwaves - Computers - Base of a cordless phone - 2.
N300 WiFi Cable Modem Router Model C3000 Cable the Modem Router with a Simple Network The modem router comes configured to work as both a modem and a router. You can share your Internet connection without connecting the modem router to a router or gateway. Coaxial cable Power adapter Power On/Off button Modem router Figure 4. Modem router with a simple network To cable your modem router: 1. Connect a coaxial cable from the cable port on the modem router to a cable wall outlet or a line splitter.
N300 WiFi Cable Modem Router Model C3000 To cable your modem router to a router or gateway: 1. Connect a coaxial cable from the cable port on the modem router to a cable wall outlet or a line splitter. Use the coaxial cable that your cable company provides. Note: If Charter is your cable Internet service provider (ISP), Charter recommends connecting your modem router directly to a cable wall outlet. If you must use a splitter, use a splitter that is rated at 3.5 dBmv. 2.
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N300 WiFi Cable Modem Router Model C3000 Connect to the Network You can connect to the modem router’s network through a wired or WiFi connection. If you set up your computer to use a static IP address, change the settings so that it uses Dynamic Host Configuration Protocol (DHCP). Wired Connection You can connect your computer to the modem router using an Ethernet cable and join the modem router’s local area network (LAN). To connect your computer to the modem router with an Ethernet cable: 1.
N300 WiFi Cable Modem Router Model C3000 Label The label on the modem router shows the login information, MAC address, and serial number. Figure 5. Modem router label Types of Logins Separate types of logins have different purposes. It is important that you understand the difference so that you know which login to use when. Types of logins: • ISP login. The login that your ISP gave you logs you in to your Internet service.
N300 WiFi Cable Modem Router Model C3000 A login screen displays. 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 screen displays.
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N300 WiFi Cable Modem Router Model C3000 Notify Your Internet Service Provider You must contact your Internet service provider (ISP) and tell them that you are using the modem router. To set up your Internet connection: 1. Contact your cable ISP and inform them that you are installing a new modem router that you bought from a retail store. Provide your cable ISP with the modem router’s model number, which is C3000. Note: The modem router is certified by all major cable ISPs.
N300 WiFi Cable Modem Router Model C3000 • If the modem router is not visible, your cable ISP can give you instructions to verify why the modem router does not connect with your high-speed Internet service. • If the modem router is visible to your cable ISP, try rebooting the modem router and check its LEDs to verify the status of the Internet connection. Specify the Cable Connection Starting Frequency The starting frequency is automatically generated.
N300 WiFi Cable Modem Router Model C3000 View Modem Router Initialization You can utrack the initialization procedure of the modem router, and to 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: • Scans and locks the downstream frequency and then ranges the upstream channels. • Obtains a WAN address for the modem router.
N300 WiFi Cable Modem Router Model C3000 Specify the Internet Connection Settings You can view or change the modem router’s Internet connection settings. To specify the Internet connection settings: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 3. Enter the modem router user name and password. The user name is admin. The default password is password.
N300 WiFi Cable Modem Router Model C3000 8. For the Domain Name Server (DNS) Address setting, select one of the following radio buttons: • Get Automatically from ISP. Your ISP uses DHCP to assign your DNS servers. Your ISP automatically assigns this address. • Use These DNS Servers. If you know that your ISP requires specific servers, select 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. Click the Apply button.
4. Control Access to the Internet 4 This chapter explains how to prevent objectionable content from reaching the computers and other devices that are connected to your network.
N300 WiFi Cable Modem Router Model C3000 Set Up Parental Controls The first time that you select Parental Controls from the BASIC Home screen, your browser goes to the Live Parental Controls website, where you can learn more about Live Parental Controls and download the application. To set up Live Parental Controls: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 3.
N300 WiFi Cable Modem Router Model C3000 After installation, Live Parental Controls automatically starts. 7. Click the Next button. 8. Read the note, and click the Next button again to proceed. Because Live Parental Controls uses free OpenDNS accounts, you are prompted to log in or create a free account. 9. Select the radio button that applies to you: • If you already have an OpenDNS account, leave the Yes radio button selected. • If you do not have an OpenDNS account, select the No radio button. 10.
N300 WiFi Cable Modem Router Model C3000 11. Complete the fields and click the Next button. After you log on or create your account, the filtering level screen displays: 12. Select a radio button for a filtering level and click the Next button. 13. Click the Take me to the status screen button. Parental controls are now set up for the modem router. The modem router BASIC Home screen shows Parental Controls as Enabled.
N300 WiFi Cable Modem Router Model C3000 The user name is admin. The default password is password. The user name and password are case-sensitive. The BASIC Home screen displays. 4. Select ADVANCED > Security > Block Sites. 5. Select one of the keyword blocking options: • Per Schedule. Turn on keyword blocking according to the Schedule screen settings. (See Schedule When to Block Internet Sites and Services on page 30.) • Always. Turn on keyword blocking all the time, independent of the Schedule screen.
N300 WiFi Cable Modem Router Model C3000 The user name is admin. The default password is password. The user name and password are case-sensitive. The BASIC Home screen displays. 4. Select ADVANCED > Security > Block Sites. 5. Do one of the following: • To delete a single word, select it and click the Delete Keyword button. The keyword is removed from the list. • To delete all keywords on the list, click the Clear List button. All keywords are removed from the list. 6. Click the Apply button.
N300 WiFi Cable Modem Router Model C3000 • To block the services all the time, select the Always radio button. • To block the services based on a schedule, select the Per Schedule radio button. To specify the schedule, see Schedule When to Block Internet Sites and Services on page 30. 6. Click the Add button. 7. To add a service that is in the Service Type list, select the application or service. The settings for this service automatically display in the fields. 8.
N300 WiFi Cable Modem Router Model C3000 Schedule When to Block Internet Sites and Services When you schedule blocking, the same schedule is used to block sites and to block services. For information about how to specify what you want the modem router to block, see Use Keywords to Block Internet Sites on page 26 and Block Services from the Internet on page 28. To schedule blocking: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.
N300 WiFi Cable Modem Router Model C3000 A login screen displays. 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 screen displays. 4. Select ADVANCED > Security > Block Sites. 5. Scroll down and select the Allow trusted IP address to visit blocked sites check box. 6. In the Trusted IP Address field, enter the IP address of the trusted computer. 7. Click the Apply button.
N300 WiFi Cable Modem Router Model C3000 4. Select ADVANCED > Security > E-mail. 5. Select the Turn E-mail Notification On check box. 6. In the Your Outgoing Mail Server field, enter the name of your ISP outgoing (SMTP) mail server (such as mail.myISP.com). You might be able to find this information in the configuration screen of your email program. If you leave this field blank, the modem router does not send logs. 7.
5. Share a USB Drive Attached to the Modem Router 5 This chapter describes how to access and configure a USB storage drive attached to your modem router. The USB port on the modem router can be used only to connect USB storage devices like flash drives or hard drives, or a printer. Do not connect computers, USB modems, CD drives, or DVD drives to the modem router USB port.
N300 WiFi Cable Modem Router Model C3000 USB Drive Requirements The modem router works with most USB-compliant external flash and hard drives. For the most up-to-date list of USB drives that the modem router supports, visit http://kbserver.netgear.com/readyshare. Some USB external hard drives and flash drives require you to load the drivers onto the computer before the computer can access the USB device. Such USB devices do not work with the modem router.
N300 WiFi Cable Modem Router Model C3000 To map the USB device to a Windows network drive: 1. Visit www.netgear.com/readyshare. 2. In the ReadySHARE USB Storage Access pane, click PC Utility. The readyshareconnect.exe file is downloaded to your computer. 3. Launch readyshareconnect.exe. 4. Select the drive letter to map to the network folder. 5. (Optional) If you want to connect to the USB drive as a different user, select the Connect using different credentials check box. a.
N300 WiFi Cable Modem Router Model C3000 4. Select ADVANCED > USB Storage > Advanced Settings. 5. Specify access to the USB storage device: • Network Device Name. This is the name used to access the USB device connected to the modem router. The default is readyshare. • Workgroup. If you are using a Windows workgroup rather than a domain, the workgroup name is displayed here. The name works only in an operating system that supports NetBIOS, such as Microsoft Windows. • Access Method.
N300 WiFi Cable Modem Router Model C3000 Use FTP Within the Network File Transfer Protocol (FTP) lets you send and receive large files faster. To set up FTP access: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 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.
N300 WiFi Cable Modem Router Model C3000 View or Change Network Folders on a USB Drive You can view or change the network folders on the USB storage device To view network folders: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 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.
N300 WiFi Cable Modem Router Model C3000 Add a Network Folder on a USB Drive You can add network folders on the USB storage device. To add a network folder: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 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.
N300 WiFi Cable Modem Router Model C3000 Edit a Network Folder on a USB Drive You can add network folders on the USB storage device. To edit a network folder: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 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.
N300 WiFi Cable Modem Router Model C3000 4. Select ADVANCED > Advanced Setup > USB Settings. By default, Enable any USB Device connection to the USB port is selected. This setting lets you connect and access all your USB drives. 5. Select the No radio button. 6. Click the Approved Devices button. The approved and available USB devices display. 7. In the Available USB Devices list, select the drive that you want to approve. 8. Click the Add button. 9. Select the Allow only approved devices check box. 10.
N300 WiFi Cable Modem Router Model C3000 Safely Remove a USB Drive Before you physically disconnect a USB drive from the modem router USB port, log in to the modem router and take the drive offline. To remove a USB disk drive safely: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 3. Enter the modem router user name and password. The user name is admin.
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N300 WiFi Cable Modem Router Model C3000 View or Change WAN Settings You can view or configure wide area network (WAN) settings for the Internet port. You can set up a DMZ (demilitarized zone) server, change the maximum transmit unit (MTU) size, and enable the modem router to respond to a ping to its WAN (Internet) port. To view or change the WAN settings: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1.
N300 WiFi Cable Modem Router Model C3000 MTU only if you are sure that it is necessary for your ISP connection. See Change the MTU Size on page 45. • Disable SIP ALG. Some VoIP applications do not work well with the SIP ALG. Selecting this check box to turn off the SIP ALG might help your VoIP devices to create or accept a call through the modem router. 6. Click the Apply button. Your changes are saved.
N300 WiFi Cable Modem Router Model C3000 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 screen displays. 4. Select ADVANCED > Setup > WAN Setup. 5. In the MTU Size field, enter a value from 64 to 1500. 6. Click the Apply button. Your change is saved. If you suspect an MTU problem, a common solution is to change the MTU to 1400.
N300 WiFi Cable Modem Router Model C3000 Set Up a Default DMZ Server The default DMZ server feature is helpful when you are using some online games and videoconferencing applications that are incompatible with Network Address Translation (NAT). The modem router is programmed to recognize some of these applications and to work correctly with them, but other applications might not function well.
N300 WiFi Cable Modem Router Model C3000 Change the Modem Router’s Device Name The modem router’s device name is C3000. This device name displays in file manager when you browse your network. To change the modem router’s device name: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 3. Enter the modem router user name and password. The user name is admin.
N300 WiFi Cable Modem Router Model C3000 Change the LAN TCP/IP Settings The modem router is preconfigured to use private IP addresses on the LAN side and to act as a DHCP server. The modem router’s default LAN IP configuration is as follows: • LAN IP address. 192.168.0.1 • Subnet mask. 255.255.255.0 These addresses are part of the designated private address range for use in private networks and are suitable for most applications.
N300 WiFi Cable Modem Router Model C3000 The IP address and subnet mask identify which addresses are local to a specific device and which must be reached through a gateway or modem router. 7. Click the Apply button. Your changes are saved. If you changed the LAN IP address of the modem router, you are disconnected when this change takes effect. To reconnect, close your browser, relaunch it, and log in to the modem router.
N300 WiFi Cable Modem Router Model C3000 4. Select ADVANCED > Setup > LAN Setup. 5. Specify the range of IP addresses that the modem router assigns: a. In the Starting IP Address field, type the lowest number in the range. This IP address must be in the same subnet as the modem router. b. In the Ending IP Address field, type the number at the end of the range of IP addresses. This IP address must be in the same subnet as the modem router. 6. Click the Apply button. Your settings are saved.
N300 WiFi Cable Modem Router Model C3000 A login screen displays. 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 screen displays. 4. Select ADVANCED > Setup > LAN Setup. 5. In the Address Reservation section of the screen, click the Add button. 6. In the IP Address field, type the IP address to assign to the computer or server.
N300 WiFi Cable Modem Router Model C3000 To delete a reserved address entry: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 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 screen displays. 4. Select ADVANCED > Setup > LAN Setup. 5.
N300 WiFi Cable Modem Router Model C3000 The WPS process automatically sets up your wireless computer with the network password when it connects. The modem router WPS screen displays a confirmation message. Specify Basic WiFi Settings The modem router comes with preset security. This means that the WiFi network name (SSID), network key (password), and security option (encryption protocol) are preset in the factory. You can find the preset SSID and password on the modem router label.
N300 WiFi Cable Modem Router Model C3000 4. Select Wireless. 5. In the Region list, select your region. In some locations, you cannot change this setting. 6. (Optional) Select the Enable Wireless Isolation checkbox. When wireless isolation is enabled, computers and devices that join the network have access to the Internet, but not to each other. 7. To turn off the wireless radio, scroll down and clear the Enable Wireless Gateway Radio check box.
N300 WiFi Cable Modem Router Model C3000 Up to 145 Mbps is the default setting, which allows 802.11n and 802.11g wireless devices to join the network. g & b supports up to 54 Mbps. The 300-Mbps setting allows 802.11n devices to connect at this speed. 12. Click the Apply button. Your settings are saved. If you connected wirelessly to the network and you changed the SSID, you are disconnected from the network. 13. Make sure that you can connect wirelessly to the network with its new settings.
N300 WiFi Cable Modem Router Model C3000 WPA2-PSK [AES] radio button is selected so that new or old computers and wireless devices can connect to the WiFi network by using either WPA2 or WPA security. The Passphrase field displays. 6. In the Passphrase field, enter the network key (password) that you want to use. It is a text string from 8 to 63 characters. 7. Write down the new password and keep it in a secure place for future reference. 8. Click the Apply button. Your changes are saved.
N300 WiFi Cable Modem Router Model C3000 5. Select any of the following wireless settings: • Enable Guest Network. When this check box is selected, the guest network is enabled, and guests can connect to your network using the SSID of this profile. • Enable SSID Broadcast. If this check box is selected, the wireless access point broadcasts its name (SSID) to all wireless stations. Stations with no SSID can adopt the correct SSID for connections to this access point.
N300 WiFi Cable Modem Router Model C3000 Enable or Disable the Wireless Radio If you used the WiFi On/Off button to turn off the wireless radio, you can’t log in to the modem router to turn them back on. You must press the WiFi On/Off button again for two seconds to turn the wireless radio back on. To enable or disable the wireless radio: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1.
N300 WiFi Cable Modem Router Model C3000 Specify WPS Settings Wi-Fi Protected Setup (WPS) lets you join the WiFi network without typing the WiFi password. To specify WPS Settings: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 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.
N300 WiFi Cable Modem Router Model C3000 To set up a wireless access list: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 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 screen displays. 4. Select ADVANCED > Advanced Setup > Wireless Settings. 5.
N300 WiFi Cable Modem Router Model C3000 6. In the Network Profiles (2.4 GHz b/g/n) list, select the radio button for the SSID (WiFi network) that you want to use the access list for. 7. Select the Turn Access Control On check box and select one of the following radio buttons: • Allow List. Allow computers and devices in the list to connect with WiFi. • Deny List. Deny WiFi access to computers and devices in the list. 8. Click the Add button. The screen displays a list of available wireless cards. 9.
N300 WiFi Cable Modem Router Model C3000 To set up Dynamic DNS: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 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 screen displays. 4. Select ADVANCED > Advanced Setup > Dynamic DNS. 5.
N300 WiFi Cable Modem Router Model C3000 If you use applications such as multiplayer gaming, peer-to-peer connections, or real-time communications such as instant messaging or remote assistance (a feature in Windows XP), enable UPnP. To enable Universal Plug and Play: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 3. Enter the modem router user name and password.
N300 WiFi Cable Modem Router Model C3000 The UPnP Portmap Table displays the IP address of each UPnP device that is accessing the modem router and which ports (internal and external) that device has opened. The UPnP Portmap Table also displays what type of port is open and whether that port is still active for each IP address. To refresh the information in the UPnP Portmap table, click the Refresh button.
7. Manage Your Network 7 This chapter describes the modem router settings for administering and maintaining your modem router and home network.
N300 WiFi Cable Modem Router Model C3000 View Modem Router Status To view modem router status and usage information: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 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 screen displays. 4.
N300 WiFi Cable Modem Router Model C3000 4. Select ADVANCED > Administration > Gateway Status. The Cable Information pane displays the following: • Hardware Version. The modem router model. • Firmware Version. The version of the modem router firmware. It changes if you upgrade the modem router firmware. • Cable Modem Serial Number. The serial number of the cable modem. • CM Certificate. The status of the cable modem certificate.
N300 WiFi Cable Modem Router Model C3000 Show Statistics To view statistics for the Internet connection: 1. Launch an Internet browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1 A login screen displays. 3. Enter the 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 screen displays. 4. Select ADVANCED. 5.
N300 WiFi Cable Modem Router Model C3000 View Connection Status To view the Internet connection status: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 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 screen displays. 4. Select ADVANCED. 5.
N300 WiFi Cable Modem Router Model C3000 A login screen displays. 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 screen displays. 4. Select ADVANCED. The Wireless Settings (2.4 GHz) pane displays the following information: • Name (SSID). The wireless network name (SSID) that the modem router uses. • Region. The geographic region where the modem router is being used.
N300 WiFi Cable Modem Router Model C3000 • Wireless AP. Indicates whether the modem router WiFi radios are on or off. If the wireless radios are turned off, the WiFi On/Off LED on the front panel is off. • Broadcast Name. Indicates whether the modem router is broadcasting its SSID. • Wireless Isolation. Indicates if wireless isolation is enabled. When wireless isolation is enabled, wireless clients can connect to the Internet, but cannot access each other or access Ethernet devices on the network.
N300 WiFi Cable Modem Router Model C3000 6. Click the OK button. The modem router reboots. Change the Router Mode By default, the modem router is in router mode. This means that it works both as a modem and as a router. You can share the Internet connection without using another router. If you want to cable the modem router to a router, then you must log in to the modem router and change its Router Mode setting. Selecting Router Mode prevents network conflicts.
N300 WiFi Cable Modem Router Model C3000 View Logs of Modem Router Activity The log is a detailed record of the websites you have accessed or attempted to access. Up to 256 entries are stored in the log. Log entries display only when keyword blocking is enabled. No log entries are made for the trusted LAN client. To view or customize logs: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1.
N300 WiFi Cable Modem Router Model C3000 • Attempted access to blocked sites and services • Connections to the Web-based interface of this Gateway • Gateway operation (startup, get time etc.) • Known DoS attacks and Port Scans • Port Forwarding/Port Triggering 6. To save your changes, click the Apply button. 7. To refresh the log screen, click the Refresh button. 8. To clear the log entries, click the Clear Log button. 9. To send the log immediately, click the Send Log button.
N300 WiFi Cable Modem Router Model C3000 Manage the Modem Router Configuration File The configuration settings of the modem router are stored within the modem router in a configuration file. You can back up (save) this file to your computer, restore it, or reset it to the factory default settings. Back Up Settings To back up the modem router’s configuration settings: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.
N300 WiFi Cable Modem Router Model C3000 A login screen displays. 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 screen displays. 4. Select ADVANCED > Administration > Backup Settings. 5. Click the Browse button to find and select the cfg file. 6. Click the Restore button. The file is uploaded to the modem router and the modem router reboots.
N300 WiFi Cable Modem Router Model C3000 To set the password for the user name admin: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 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 screen displays. 4. Select ADVANCED > Administration > Set Password. 5.
N300 WiFi Cable Modem Router Model C3000 4. Select ADVANCED > Administration > Event Log. The log screen shows the following information: • Time. The time the event log entry was recorded. • Priority. The severity for this event log entry. • Description. A description of this event log entry. 5. To refresh the log screen, click the Refresh button. 6. To clear the log entries, click the Clear Log button.
N300 WiFi Cable Modem Router Model C3000 In the Utility list,Ping is selected by default. 5. Specify the following parameters for the ping utility: • Target. The IP address of the ping target computer. • Ping Size. The size (in bytes) of the ping packet. • No. of Pings. The number of times to ping the target computer. • Ping Interval. The time between pings. 6. Click the Start Test button. The ping results display. 7. To stop a ping test, click the Abort Test button. 8.
N300 WiFi Cable Modem Router Model C3000 4. Select ADVANCED > Administration > Diagnostics. 5. In the Utility list, select Traceroute. 6. Specify the following parameters for the traceroute utility: • Target. The IP address or host name of the computer you are tracing. • Max Hops. The maximum number of hops to allow when tracing the route. • Data Size. The input the size (in bytes) of the packet. • Base Port. The port number to send the packet to. • Resolve Host.
N300 WiFi Cable Modem Router Model C3000 The BASIC Home screen displays. 4. Select ADVANCED > Administration > Wireless AP. From this screen, you can view wireless access points in use in your area. View or Change the Modem Router Wireless Channel To view or check your wireless channel: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 3.
N300 WiFi Cable Modem Router Model C3000 4. Select ADVANCED > Administration > Wireless Channel. Your network is shown in blue. Yellow shows other networks in your area. Many countries and geographic locations have laws or guidelines about which channels can be used. Depending on your location, some channels might not be available. If many wireless networks at your location use the same channel as your wireless network, you might experience interference.
N300 WiFi Cable Modem Router Model C3000 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 screen displays. 4. Select ADVANCED > Advanced Setup > Remote Management. 5. Select the Turn Remote Management On check box. 6. Under Allow Remote Access By, specify the external IP addresses to be allowed to access the modem router’s remote management.
N300 WiFi Cable Modem Router Model C3000 2. Type your modem router’s WAN IP address into your browser’s address or location field followed by a colon (:) and the custom port number. For example, if your external address is 134.177.0.123 and you use port number 8080, enter http://134.177.0.123:8080 in your browser.
8. Specify Internet Port Settings 8 You can use port forwarding and port triggering to set up rules for Internet traffic. You need networking knowledge to set up these features.
N300 WiFi Cable Modem Router Model C3000 Set Up Port Forwarding to a Local Server If you have a server in your home network, you can allow certain types of incoming traffic to reach the server. For example, you might want to make a local web server, FTP server, or game server visible and available to the Internet. The modem router can forward incoming traffic with specific protocols to computers on your local network.
N300 WiFi Cable Modem Router Model C3000 If the service that you want to add is not in the list, create a custom service. See Add a Custom Port Forwarding Service on page 88. 9. In the Server IP Address field, enter the IP address of the computer that will provide the service. 10. Click the Add button. The service displays in the list. Add a Custom Port Forwarding Service To add a custom service: 1. Find out which port number or range of numbers the application uses.
N300 WiFi Cable Modem Router Model C3000 • If the application uses a single port, enter the same port number in the Ending Port field. • If the application uses a range of ports, enter the ending port number of the range in the External Ending Port field. 12. Type the port numbers in the Internal Starting Port and Internal Ending Port fields. 13. Type the IP address in the Internal IP address field or select the radio button for an attached device listed in the table. 14. Click the Apply button.
N300 WiFi Cable Modem Router Model C3000 Delete a Port Forwarding Entry To delete a port forwarding entry: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 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 screen displays. 4.
N300 WiFi Cable Modem Router Model C3000 How the Modem Router Implements the Port Forwarding Rule The following sequence shows the effects of a port forwarding rule: 1. When you type the URL www.example.com in your browser, the browser sends a web page request message with the following destination information: • Destination address. The IP address of www.example.com, which is the address of your modem router. • Destination port number. 80, which is the standard port number for a web server process. 2.
N300 WiFi Cable Modem Router Model C3000 Add a Port Triggering Service To add a port triggering service: 1. Launch a web browser from a computer or wireless device that is connected to the network. 2. Type http://routerlogin.net or http://192.168.0.1. A login screen displays. 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 screen displays. 4.
N300 WiFi Cable Modem Router Model C3000 • Any (the default) allows any computer on the Internet to use this service. • Single address restricts the service to a particular computer. 9. Select the service type, either TCP or UDP or TCP/UDP (both). If you are not sure, select TCP/UDP. 10. In the Triggering Port field, enter the number of the outbound traffic port that will open the inbound ports. 11.
N300 WiFi Cable Modem Router Model C3000 • Never. The modem router does not use port triggering even if you have specified port triggering settings. • Per Schedule. Port triggering is used based on the settings in the Schedule screen. • Always. Always use port triggering. 7. In the Port Triggering Timeout field, enter a value up to 9999 minutes. This value controls how long the inbound ports stay open when the modem router detects no activity.
9. 9 Troubleshooting This chapter gives information about troubleshooting your modem router. This chapter includes the following sections: • Use LEDs to Troubleshoot • Cannot Log In to the Modem Router • Troubleshoot the ISP Connection • Troubleshoot a TCP/IP Network Using a Ping Utility Tip: NETGEAR provides helpful articles, documentation, and the latest software updates at support.netgear.com.
N300 WiFi Cable Modem Router Model C3000 Use LEDs to Troubleshoot The following table provides help when using the LEDs for troubleshooting. Table 3. LED troubleshooting LED Behavior Action All LEDS are off when the modem router is plugged in. Make sure that the power cord is properly connected to your modem router and that the power supply adapter is properly connected to a functioning power outlet. Check that you are using the 12 VDC power adapter from NETGEAR for this product.
N300 WiFi Cable Modem Router Model C3000 Note: If the IP address of your computer is shown as 169.254.x.x: Recent versions of Windows and Mac OS generate and assign an IP address when the computer cannot reach a DHCP server. These autogenerated addresses are in the range of 169.254.x.x. If your IP address is in this range, check the connection from the computer to the modem router and reboot your computer.
N300 WiFi Cable Modem Router Model C3000 Use Ping to Test the LAN Path to Your Gateway You can use ping to verify that the LAN path to your modem router is set up correctly. To ping the modem router from a computer running Windows 95 or later: 1. From the Windows toolbar, click the Start button and select Run. 2. In the field that is provided, type ping and then the IP address of the modem router, as in this example: ping 192.168.0.1 3. Click the OK button.
N300 WiFi Cable Modem Router Model C3000 If the path is working, you see this message: Reply from < IP address >: bytes=32 time=NN ms TTL=xxx 2. If you do not receive this reply, do the following: • Check that the Internet LED is lit. • If your ISP assigned a host name to your computer, enter that host name as the account name in the Internet Setup screen. • Check that your computer has the IP address of your modem router listed as the default gateway.
A. Supplemental Information This appendix includes the following sections.
N300 WiFi Cable Modem Router Model C3000 Factory Default Settings You can return the modem router to its factory default settings. To restore the factory default settings: 1. Locate the small hole in the bottom of the modem router. The Reset button is located inside this hole. 2. Use a paperclip or sharp object to press and hold the Reset button for over seven seconds.
N300 WiFi Cable Modem Router Model C3000 Factory Default Settings Wireless Wireless communication Enabled SSID name As shown on the product label Security WPA/WPA2. The default password (WPA key) is on the product label.
N300 WiFi Cable Modem Router Model C3000 Table 4. Technical specifications Technical Specifications (continued) Interface Local: 10BASE-T, 100/1000BASE-Tx, RJ-45 802.11n/g/b Internet: DOCSIS 3.0. Downward compatible with DOCSIS 2.0, 1.1 and 1.
