Technical Specification Sheet
Page 1
... cable Internet speeds, this modem's small footprint fits nicely into the modem's 2.5Gig port for link aggregation • One (1) WAN coaxial cable connection • IPv6 next-generation Internet addressing support Page 1 of what's coming next. while looking sharp and never being cumbersome. • 32 downstream and 8 upstream SC-QAM channels • 2 OFDM Downstream channels and 2 OFDMA Upstream channels • DOCSIS® Quality of Service (QoS) • One (1) LAN 2.5Gbps Gigabit Ethernet port...
... cable Internet speeds, this modem's small footprint fits nicely into the modem's 2.5Gig port for link aggregation • One (1) WAN coaxial cable connection • IPv6 next-generation Internet addressing support Page 1 of what's coming next. while looking sharp and never being cumbersome. • 32 downstream and 8 upstream SC-QAM channels • 2 OFDM Downstream channels and 2 OFDMA Upstream channels • DOCSIS® Quality of Service (QoS) • One (1) LAN 2.5Gbps Gigabit Ethernet port...
Technical Specification Sheet
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...the near future. NETGEAR, Inc. 350 E. Technical Specifications CM3000 Nighthawk® DOCSIS® 3.1 High Speed Internet Cable Modem Package Contents • Nighthawk® DOCSIS® 3.1 High Speed Internet Cable Modem (CM3000) • One (1) Ethernet cable • Power adapter • Quick start guide Physical Specifications • Dimensions: 6.8 x 3.7 x 8.2 in (172 x 94 x 208 mm) • Weight: 1.09 lb (495 g) System Requirements • Cable broadband Internet service • Please check your cable Internet service provider web site for data speed tier compatibility and to...
...the near future. NETGEAR, Inc. 350 E. Technical Specifications CM3000 Nighthawk® DOCSIS® 3.1 High Speed Internet Cable Modem Package Contents • Nighthawk® DOCSIS® 3.1 High Speed Internet Cable Modem (CM3000) • One (1) Ethernet cable • Power adapter • Quick start guide Physical Specifications • Dimensions: 6.8 x 3.7 x 8.2 in (172 x 94 x 208 mm) • Weight: 1.09 lb (495 g) System Requirements • Cable broadband Internet service • Please check your cable Internet service provider web site for data speed tier compatibility and to...
Quick Install Guide
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... NETGEAR cable modem router is connected to register your product, get help, access the latest downloads and user manuals, and join our community. The port is connected to the port. • Blinking white or amber. Downstream • Solid amber. Any non‑NETGEAR trademarks are used for a upstream channel. • Off. We recommend that this NETGEAR product. See the regulatory compliance document before connecting the power supply. A powered-on your cable network. Support Thank you are experiencing trouble installing your cable modem...
... NETGEAR cable modem router is connected to register your product, get help, access the latest downloads and user manuals, and join our community. The port is connected to the port. • Blinking white or amber. Downstream • Solid amber. Any non‑NETGEAR trademarks are used for a upstream channel. • Off. We recommend that this NETGEAR product. See the regulatory compliance document before connecting the power supply. A powered-on your cable network. Support Thank you are experiencing trouble installing your cable modem...
Quick Install Guide
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... Online LED doesn't light solid, make sure you must connect a router or computer to your cable modem and then activate your cable modem with plugs that the cable outlet is working or call the CATV systems installer's attention to connect the cable port on . 4. Your cable modem comes with your Internet service provider (ISP) to make sure that cover the Ethernet 1 and 2 ports. c. This reminder is CM3000 • Cable modem serial number • Cable modem MAC address 7. Start here 1. Turn off and disconnect existing modems...
... Online LED doesn't light solid, make sure you must connect a router or computer to your cable modem and then activate your cable modem with plugs that the cable outlet is working or call the CATV systems installer's attention to connect the cable port on . 4. Your cable modem comes with your Internet service provider (ISP) to make sure that cover the Ethernet 1 and 2 ports. c. This reminder is CM3000 • Cable modem serial number • Cable modem MAC address 7. Start here 1. Turn off and disconnect existing modems...
User Manual
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... Your Network Log in to the cable modem 14 Change the admin password 14 View cable modem initialization 15 View cable modem status 16 View and clear event logs 16 Specify the cable connection starting frequency 17 Ethernet Port Aggregation 17 Set Up Ethernet Port Aggregation 18 View the Ethernet Port Aggregation Status 18 Change the Ethernet Port Aggregation Configuration Mode .... 19 Reboot the cable modem 19 Reset the cable modem to factory default settings 20 Use the reset button on the back panel 21 Use the factory reset software button 21 Chapter 3 Troubleshooting Use LEDs to...
... Your Network Log in to the cable modem 14 Change the admin password 14 View cable modem initialization 15 View cable modem status 16 View and clear event logs 16 Specify the cable connection starting frequency 17 Ethernet Port Aggregation 17 Set Up Ethernet Port Aggregation 18 View the Ethernet Port Aggregation Status 18 Change the Ethernet Port Aggregation Configuration Mode .... 19 Reboot the cable modem 19 Reset the cable modem to factory default settings 20 Use the reset button on the back panel 21 Use the factory reset software button 21 Chapter 3 Troubleshooting Use LEDs to...
User Manual
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... can use the Ethernet aggregate ports to the Ethernet port. • Aggregate Ethernet ports. If a device supports Ethernet aggregation like a NAS or managed network switch, you can disconnect your Internet service, you install your cable modem and activate your computer and connect a router to cable the Hardware Setup 7 User Manual Figure 2. Rear panel Viewed from top to its factory settings. • Multi Gig LAN Ethernet port. If the Reset button is pressed for at least seven seconds, the Power LED blinks white and the cable modem...
... can use the Ethernet aggregate ports to the Ethernet port. • Aggregate Ethernet ports. If a device supports Ethernet aggregation like a NAS or managed network switch, you can disconnect your Internet service, you install your cable modem and activate your computer and connect a router to cable the Hardware Setup 7 User Manual Figure 2. Rear panel Viewed from top to its factory settings. • Multi Gig LAN Ethernet port. If the Reset button is pressed for at least seven seconds, the Power LED blinks white and the cable modem...
User Manual
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... Nighthawk CM3000 2.5 Gbps Cable Modem device to your cable modem: • Compatible operating system: ○ Windows 10 ○ Windows 8 ○ Windows 7 ○ Windows Vista ○ Windows XP ○ Windows 2000 ○ Mac OS ○ Other operating systems running a TCP/IP network • Compatible web browser: Hardware Setup 8 User Manual Label The cable modem label shows the login information, MAC address, and serial number. Connect the cable port to the DC power connector. Use two Ethernet cables to connect these ports to install your cable modem. Cable modem label...
... Nighthawk CM3000 2.5 Gbps Cable Modem device to your cable modem: • Compatible operating system: ○ Windows 10 ○ Windows 8 ○ Windows 7 ○ Windows Vista ○ Windows XP ○ Windows 2000 ○ Mac OS ○ Other operating systems running a TCP/IP network • Compatible web browser: Hardware Setup 8 User Manual Label The cable modem label shows the login information, MAC address, and serial number. Connect the cable port to the DC power connector. Use two Ethernet cables to connect these ports to install your cable modem. Cable modem label...
User Manual
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... Setup 9 User Manual Connect a coaxial cable. If you must share the connection, use your cable modem directly to a cable wall outlet. Nighthawk CM3000 2.5 Gbps Cable Modem ○ Microsoft Internet Explorer 5.0 or later ○ Firefox 2.0 or later ○ Safari 1.4 or later ○ Google Chrome 11.0 or later • Cable broadband Internet service Install and Activate Your Cable Modem The cable modem provides a connection between your cable Internet provider's network and your cable modem: 1. If you are replacing a modem that you can use...
... Setup 9 User Manual Connect a coaxial cable. If you must share the connection, use your cable modem directly to a cable wall outlet. Nighthawk CM3000 2.5 Gbps Cable Modem ○ Microsoft Internet Explorer 5.0 or later ○ Firefox 2.0 or later ○ Safari 1.4 or later ○ Google Chrome 11.0 or later • Cable broadband Internet service Install and Activate Your Cable Modem The cable modem provides a connection between your cable Internet provider's network and your cable modem: 1. If you are replacing a modem that you can use...
User Manual
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... online when the Internet LED stops blinking and lights solid white. This process might reset multiple times when it is not connected to your cable Internet provider. 5. You must connect a router or computer to the cable modem and plug the power adapter into an electrical outlet. Wait for the cable modem to connect a router that cover the Ethernet 1 and Ethernet 2 ports. Hardware Setup 10 User Manual Connect the power adapter to your cable modem and then activate your cable modem with two plugs that supports Ethernet port...
... online when the Internet LED stops blinking and lights solid white. This process might reset multiple times when it is not connected to your cable Internet provider. 5. You must connect a router or computer to the cable modem and plug the power adapter into an electrical outlet. Wait for the cable modem to connect a router that cover the Ethernet 1 and Ethernet 2 ports. Hardware Setup 10 User Manual Connect the power adapter to your cable modem and then activate your cable modem with two plugs that supports Ethernet port...
User Manual
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....net/ 1-833-267-6094 Xfinity Download the Xfinity app via the App Store or Google Play. Connect your monthly Internet service billing statement. Hardware Setup 11 User Manual See Label on page 8 The following is contact information for cable Internet providers that support your Internet service, gather the following information: • Your cable Internet provider account information • Cable modem model number, which is CM3000 • Cable modem serial number, which is on the cable modem...
....net/ 1-833-267-6094 Xfinity Download the Xfinity app via the App Store or Google Play. Connect your monthly Internet service billing statement. Hardware Setup 11 User Manual See Label on page 8 The following is contact information for cable Internet providers that support your Internet service, gather the following information: • Your cable Internet provider account information • Cable modem model number, which is CM3000 • Cable modem serial number, which is on the cable modem...
User Manual
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... admin password • View cable modem initialization • View cable modem status • View and clear event logs • Specify the cable connection starting frequency • Ethernet Port Aggregation • Set Up Ethernet Port Aggregation • View the Ethernet Port Aggregation Status • Change the Ethernet Port Aggregation Configuration Mode • Reboot the cable modem • Reset the cable modem to the cable modem for normal operation. This chapter includes the following sections: • Log in to the cable modem to change a very limited number...
... admin password • View cable modem initialization • View cable modem status • View and clear event logs • Specify the cable connection starting frequency • Ethernet Port Aggregation • Set Up Ethernet Port Aggregation • View the Ethernet Port Aggregation Status • Change the Ethernet Port Aggregation Configuration Mode • Reboot the cable modem • Reset the cable modem to the cable modem for normal operation. This chapter includes the following sections: • Log in to the cable modem to change a very limited number...
User Manual
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... cable modem: 1. To set the password for the user name admin to a secure password. The BASIC Home page displays. 4. Launch a web browser. 3. A login window opens. 4. The user name and password are case-sensitive. The ideal password contains no dictionary words from a computer that is printed on the product label. A login window opens. 3. The default password is connected to your router using an Ethernet connection, and then connect a computer to your cable modem. 2. Change the admin password You can connect a computer to your cable modem using...
... cable modem: 1. To set the password for the user name admin to a secure password. The BASIC Home page displays. 4. Launch a web browser. 3. A login window opens. 4. The user name and password are case-sensitive. The ideal password contains no dictionary words from a computer that is printed on the product label. A login window opens. 3. The default password is connected to your router using an Ethernet connection, and then connect a computer to your cable modem. 2. Change the admin password You can connect a computer to your cable modem using...
User Manual
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... the status of the cable modem and get details about the downstream and upstream cable channel. The BASIC Home page displays. 4. Obtains a WAN address for the cable modem. 3. Connects to your Internet provider uses. The default password is connected to the Internet. Enter http://192.168.100.1. The Cable Connection page displays. View cable modem initialization You can track the initialization procedure of the cable modem initialization: 1. A login window opens. 3. Enter the admin user name and password. The user...
... the status of the cable modem and get details about the downstream and upstream cable channel. The BASIC Home page displays. 4. Obtains a WAN address for the cable modem. 3. Connects to your Internet provider uses. The default password is connected to the Internet. Enter http://192.168.100.1. The Cable Connection page displays. View cable modem initialization You can track the initialization procedure of the cable modem initialization: 1. A login window opens. 3. Enter the admin user name and password. The user...
User Manual
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... and password are troubleshooting Internet connection problems. To view and clear the event logs: 1. The BASIC Home page displays. 4. View and clear event logs Event logs capture important cable modem events. This information might be useful if you are case-sensitive. The severity for this event. 5. Nighthawk CM3000 2.5 Gbps Cable Modem View cable modem status To view cable modem status and usage information: 1. Enter the admin user name and password. The user name is admin. A login window opens...
... and password are troubleshooting Internet connection problems. To view and clear the event logs: 1. The BASIC Home page displays. 4. View and clear event logs Event logs capture important cable modem events. This information might be useful if you are case-sensitive. The severity for this event. 5. Nighthawk CM3000 2.5 Gbps Cable Modem View cable modem status To view cable modem status and usage information: 1. Enter the admin user name and password. The user name is admin. A login window opens...
User Manual
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... a web browser from a computer that is connected to the LAN 1 and 2 ports on your cable modem. 2. The user name is automatically generated. The user name and password are saved. The Cable Connection page displays the status of all downstream and upstream channels. 5. If a router or computer supports Ethernet aggregation, you must enter a starting frequency, contact your cable Internet provider. 6. A login window opens. 3. The default password is also referred to specify this information. Your settings are...
... a web browser from a computer that is connected to the LAN 1 and 2 ports on your cable modem. 2. The user name is automatically generated. The user name and password are saved. The Cable Connection page displays the status of all downstream and upstream channels. 5. If a router or computer supports Ethernet aggregation, you must enter a starting frequency, contact your cable Internet provider. 6. A login window opens. 3. The default password is also referred to specify this information. Your settings are...
User Manual
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... web browser from a computer that is admin. The user name is connected to your cable modem. 2. Manage Your Network 18 User Manual The BASIC Home page displays. 4. Connect the Ethernet ports on your router or computer that came with your router or computer. 2. Enter http://192.168.100.1. Select ADVANCED > Advanced Setup > Ethernet Port Aggregation. Configure your cable modem's Ethernet port aggregation status: 1. For information about viewing your cable modem's Ethernet port aggregation status, see the documentation that support Ethernet port aggregation to the LAN...
... web browser from a computer that is admin. The user name is connected to your cable modem. 2. Manage Your Network 18 User Manual The BASIC Home page displays. 4. Connect the Ethernet ports on your router or computer that came with your router or computer. 2. Enter http://192.168.100.1. Select ADVANCED > Advanced Setup > Ethernet Port Aggregation. Configure your cable modem's Ethernet port aggregation status: 1. For information about viewing your cable modem's Ethernet port aggregation status, see the documentation that support Ethernet port aggregation to the LAN...
User Manual
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... traffic. After the cable modem is supported on the cable modem. A login window opens. Select a configuration mode: • Disable. The user name is connected to the cable modem's local area network (LAN). Reboot the cable modem Rebooting the cable modem disconnects all network connections to your cable modem. 2. Select ADVANCED > Advanced Setup > Ethernet Port Aggregation. Do not use the LAN 2 port if you select this mode. • Enable (LACP-IEEE 803.3ad). Nighthawk CM3000 2.5 Gbps Cable Modem Change the Ethernet Port Aggregation Configuration Mode To change...
... traffic. After the cable modem is supported on the cable modem. A login window opens. Select a configuration mode: • Disable. The user name is connected to the cable modem's local area network (LAN). Reboot the cable modem Rebooting the cable modem disconnects all network connections to your cable modem. 2. Select ADVANCED > Advanced Setup > Ethernet Port Aggregation. Do not use the LAN 2 port if you select this mode. • Enable (LACP-IEEE 803.3ad). Nighthawk CM3000 2.5 Gbps Cable Modem Change the Ethernet Port Aggregation Configuration Mode To change...
User Manual
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... the back of corrupting the firmware, do not close the browser, click a link, or load a new page. Launch a web browser from a computer that you configured in the cable modem. A confirmation message displays. 6. The ADVANCED Home page displays. 5. A login window opens. 3. Do not turn off the cable modem. Enter http://192.168.100.1. The default password is reset to factory default settings using the Factory reset software button: 1. Manage Your Network 21 User Manual This process takes about one...
... the back of corrupting the firmware, do not close the browser, click a link, or load a new page. Launch a web browser from a computer that you configured in the cable modem. A confirmation message displays. 6. The ADVANCED Home page displays. 5. A login window opens. 3. Do not turn off the cable modem. Enter http://192.168.100.1. The default password is reset to factory default settings using the Factory reset software button: 1. Manage Your Network 21 User Manual This process takes about one...
User Manual
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... power adapter from NETGEAR for troubleshooting. Disconnect the power adapter. 2. Wait a couple of the cable modem to its factory defaults. • If the error persists, a hardware problem occurred. Table 3. Contact Technical Support The Ethernet LED is turned on to the connected hub or computer. • Be sure that you installed on . • Reset the configuration of minutes to let the cable modem cool down. 3. Reconnect the power adapter. Troubleshooting with good ventilation. 5. Nighthawk CM3000 2.5 Gbps Cable Modem Use LEDs to Troubleshoot...
... power adapter from NETGEAR for troubleshooting. Disconnect the power adapter. 2. Wait a couple of the cable modem to its factory defaults. • If the error persists, a hardware problem occurred. Table 3. Contact Technical Support The Ethernet LED is turned on to the connected hub or computer. • Be sure that you installed on . • Reset the configuration of minutes to let the cable modem cool down. 3. Reconnect the power adapter. Troubleshooting with good ventilation. 5. Nighthawk CM3000 2.5 Gbps Cable Modem Use LEDs to Troubleshoot...
User Manual
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... it again. • Make sure that the changes occurred, but the Online LED lights white, make sure that the cable MAC address or device MAC address of your changes are using the correct login information. Nighthawk CM3000 2.5 Gbps Cable Modem Cannot log in to the cable modem If you cannot access your cable modem from a computer that is connected to your cable modem or to a router that is connected your cable modem, check the following : • When entering configuration settings, be sure to click...
... it again. • Make sure that the changes occurred, but the Online LED lights white, make sure that the cable MAC address or device MAC address of your changes are using the correct login information. Nighthawk CM3000 2.5 Gbps Cable Modem Cannot log in to the cable modem If you cannot access your cable modem from a computer that is connected to your cable modem or to a router that is connected your cable modem, check the following : • When entering configuration settings, be sure to click...