Jump to content
Search In
  • More options...
Find results that contain...
Find results in...
MikeSK

Netgear Nighthawk CM1100 DOCSIS 3.1 Cable Modem

Recommended Posts

Posted · Original PosterOP

The online documentation I have found for the "Netgear Nighthawk CM1100 DOCSIS 3.1 Cable Modem" has been very limited in detail. 

I intend to install a Wifi router behind this Cable Modem.

Question:

  • Does the "Netgear Nighthawk CM1100 DOCSIS 3.1 Cable Modem" allow for setting up DMZ, port forwarding and or pass through?

 

 

Link to post
Share on other sites

It's a pure cable modem, it has almost no functionality and will just pass through the public IP to your router behind it. You'll need a proper router to setup a DMZ, port forwarding, etc. behind the modem.


Current Build Log:

 

Original Build:

 

Link to post
Share on other sites

All the modem does is interpret incoming signals on the cable. You would need routers and other equipment to setup a DMZ


PCMR

Primary PC: Lazarus | Build: https://pcpartpicker.com/list/tv7hLJ | Build Log: https://linustechtips.com/main/topic/1000427-lazarus/

Case: Fractal Design Define R6 | PSU: Seasonic Focus Platinum 750W | Mobo: Asus ROG STRIX B350-F | Front Panel: Asus DVD/RW Drive

CPU: Ryzen 5 2600x @ Stock Speeds | 32 GB DDR4 RAM (4x8) Corsair Vengeance 2933MHz | CPU Cooler: Noctua NH-D15 SE-AM4

Storage: 1TB 7200rpm Toshiba 3.5" HDD, 2TB 5400rpm Seagate Firecuda SSHD, 500GB Samsung 970 EVO, 500GB Samsung 860 EVO, 4TB Toshiba X300 7200rpm HDD

Fans: Corsair 120mm SF x 3, Fractal Design 140mm Dynamic X2 x 3 | Peripherals: Asus Strix Flare, Corsair Scimitar Pro | GPU: GTX 1070 STRIX

Expansion Cards: Asus Hyper M.2 x16 Card, Asus Xonar DGX | USB devices: Asus AC66 USB 3.0 AC wifi adapter, Blue Snowball, NZXT Hue+

Displays:  23" 1080p 60Hz, Asus PB258Q 27" 1440p 60Hz | OS: Windows 10 Home x64

Secondary PC: Dell Inspiron 15 5000 Gaming 

CPU: Intel Core i5-7300 HQ | RAM: 16 GB DDR4 RAM | GPU: GTX 1050 4 GB | Storage: 1TB 5400rpm Western Digital HDD, 500GB 960 EVO

OS: Windows 10 Home x64

Tertiary PC: *insert name here*/HTPC | Build: https://pcpartpicker.com/list/8W4cLJ | Build Log: https://linustechtips.com/main/topic/1030228-htpcconsole-build/

Case: Silverstone Grandia GD09 | PSU: Seasonic Focus Plus Gold 650W | Mobo: Asus Q87m-E/CSM | Front Panel: DVD/RW Drive

CPU: Intel Core i5-4670k | RAM: 32GB DDR3 (4x8) Kingston HyperX | CPU Cooler: Cryorig C7

Fans: Arctic F8 PWM x2, Arctic F12 PWM x 2 | Peripherals: Generic USB Mouse, Dell PS/2 keyboard | Display: HP 2310m 23" 1080p

Expansion Cards: Asus PCE-AC55 PCIe AC wifi/bluetooth adapter, (may, add Asus Xonar DG)

Storage: 1TB 7200rpm Western Digital 3.5" HDD, 1TB Western Digital 2.5" SSD

GPU: Asus GTX 960 Turbo 4GB| OS: Windows 10 Home x64

Mobile Devices

Asus Zenfone 4 Max | Battery: 5400 mAh | Approx Battery Life: 3 Days | Storage: 32 GB Internal Memory, 32 GB mSD Card

RAM: 3 GB RAM | APU: Qualcomm Snapdragon 435 @ 1.4 GHZ | Display: 5.5" 720p | OS: Android 8.1

 

Asus ZenPad S3 10 | Battery: 4000 mAh | Approx Battery Life: 2 Days | Storage: 64 GB Internal Memory, 32 GB mSD Card

RAM: 4 GB RAM | CPU: MTK MT8176 | GPU: IMG GX6250 | Display: 9.7" 2k | OS: Android 7.1

Consoles

Nintendo Switch | 128 GB Samsung micro SD

PS4 Slim | Stock 1TB 5400rpm HDD

Networking

Cable Modem | Asus CM-16

Wireless Router | Asus RT-AC66U_B1

Link to post
Share on other sites
Posted · Original PosterOP

Thanks, the instructions mentioned signing in to the modem and setting up features.  It has two ports on the back that can be used to increase it's ethernet bandwidth which I inferred may mean it had a partial router/limited firewall functionality.  I will get a Wireless Router before I intend to start using this in place of the Xfinity rented modem. 
 

Any wireless router recommendations?

Link to post
Share on other sites
1 minute ago, MikeSK said:

It has two ports on the back that can be used to increase it's ethernet bandwidth

I've never seen that before, wtf.

1 minute ago, MikeSK said:

which I inferred may mean it had a partial router/limited firewall functionality.

"used to increase it's ethernet bandwidth" doesn't sound like "router/limited firewall" features to me, lmao.

 

You'll need other equipment to make a DMZ. I think you need two routers, but I may be wrong.


PCMR

Primary PC: Lazarus | Build: https://pcpartpicker.com/list/tv7hLJ | Build Log: https://linustechtips.com/main/topic/1000427-lazarus/

Case: Fractal Design Define R6 | PSU: Seasonic Focus Platinum 750W | Mobo: Asus ROG STRIX B350-F | Front Panel: Asus DVD/RW Drive

CPU: Ryzen 5 2600x @ Stock Speeds | 32 GB DDR4 RAM (4x8) Corsair Vengeance 2933MHz | CPU Cooler: Noctua NH-D15 SE-AM4

Storage: 1TB 7200rpm Toshiba 3.5" HDD, 2TB 5400rpm Seagate Firecuda SSHD, 500GB Samsung 970 EVO, 500GB Samsung 860 EVO, 4TB Toshiba X300 7200rpm HDD

Fans: Corsair 120mm SF x 3, Fractal Design 140mm Dynamic X2 x 3 | Peripherals: Asus Strix Flare, Corsair Scimitar Pro | GPU: GTX 1070 STRIX

Expansion Cards: Asus Hyper M.2 x16 Card, Asus Xonar DGX | USB devices: Asus AC66 USB 3.0 AC wifi adapter, Blue Snowball, NZXT Hue+

Displays:  23" 1080p 60Hz, Asus PB258Q 27" 1440p 60Hz | OS: Windows 10 Home x64

Secondary PC: Dell Inspiron 15 5000 Gaming 

CPU: Intel Core i5-7300 HQ | RAM: 16 GB DDR4 RAM | GPU: GTX 1050 4 GB | Storage: 1TB 5400rpm Western Digital HDD, 500GB 960 EVO

OS: Windows 10 Home x64

Tertiary PC: *insert name here*/HTPC | Build: https://pcpartpicker.com/list/8W4cLJ | Build Log: https://linustechtips.com/main/topic/1030228-htpcconsole-build/

Case: Silverstone Grandia GD09 | PSU: Seasonic Focus Plus Gold 650W | Mobo: Asus Q87m-E/CSM | Front Panel: DVD/RW Drive

CPU: Intel Core i5-4670k | RAM: 32GB DDR3 (4x8) Kingston HyperX | CPU Cooler: Cryorig C7

Fans: Arctic F8 PWM x2, Arctic F12 PWM x 2 | Peripherals: Generic USB Mouse, Dell PS/2 keyboard | Display: HP 2310m 23" 1080p

Expansion Cards: Asus PCE-AC55 PCIe AC wifi/bluetooth adapter, (may, add Asus Xonar DG)

Storage: 1TB 7200rpm Western Digital 3.5" HDD, 1TB Western Digital 2.5" SSD

GPU: Asus GTX 960 Turbo 4GB| OS: Windows 10 Home x64

Mobile Devices

Asus Zenfone 4 Max | Battery: 5400 mAh | Approx Battery Life: 3 Days | Storage: 32 GB Internal Memory, 32 GB mSD Card

RAM: 3 GB RAM | APU: Qualcomm Snapdragon 435 @ 1.4 GHZ | Display: 5.5" 720p | OS: Android 8.1

 

Asus ZenPad S3 10 | Battery: 4000 mAh | Approx Battery Life: 2 Days | Storage: 64 GB Internal Memory, 32 GB mSD Card

RAM: 4 GB RAM | CPU: MTK MT8176 | GPU: IMG GX6250 | Display: 9.7" 2k | OS: Android 7.1

Consoles

Nintendo Switch | 128 GB Samsung micro SD

PS4 Slim | Stock 1TB 5400rpm HDD

Networking

Cable Modem | Asus CM-16

Wireless Router | Asus RT-AC66U_B1

Link to post
Share on other sites
3 minutes ago, MikeSK said:

Any wireless router recommendations?

I have the Asus AC66U, which I believe has support for DMZ stuff. 


PCMR

Primary PC: Lazarus | Build: https://pcpartpicker.com/list/tv7hLJ | Build Log: https://linustechtips.com/main/topic/1000427-lazarus/

Case: Fractal Design Define R6 | PSU: Seasonic Focus Platinum 750W | Mobo: Asus ROG STRIX B350-F | Front Panel: Asus DVD/RW Drive

CPU: Ryzen 5 2600x @ Stock Speeds | 32 GB DDR4 RAM (4x8) Corsair Vengeance 2933MHz | CPU Cooler: Noctua NH-D15 SE-AM4

Storage: 1TB 7200rpm Toshiba 3.5" HDD, 2TB 5400rpm Seagate Firecuda SSHD, 500GB Samsung 970 EVO, 500GB Samsung 860 EVO, 4TB Toshiba X300 7200rpm HDD

Fans: Corsair 120mm SF x 3, Fractal Design 140mm Dynamic X2 x 3 | Peripherals: Asus Strix Flare, Corsair Scimitar Pro | GPU: GTX 1070 STRIX

Expansion Cards: Asus Hyper M.2 x16 Card, Asus Xonar DGX | USB devices: Asus AC66 USB 3.0 AC wifi adapter, Blue Snowball, NZXT Hue+

Displays:  23" 1080p 60Hz, Asus PB258Q 27" 1440p 60Hz | OS: Windows 10 Home x64

Secondary PC: Dell Inspiron 15 5000 Gaming 

CPU: Intel Core i5-7300 HQ | RAM: 16 GB DDR4 RAM | GPU: GTX 1050 4 GB | Storage: 1TB 5400rpm Western Digital HDD, 500GB 960 EVO

OS: Windows 10 Home x64

Tertiary PC: *insert name here*/HTPC | Build: https://pcpartpicker.com/list/8W4cLJ | Build Log: https://linustechtips.com/main/topic/1030228-htpcconsole-build/

Case: Silverstone Grandia GD09 | PSU: Seasonic Focus Plus Gold 650W | Mobo: Asus Q87m-E/CSM | Front Panel: DVD/RW Drive

CPU: Intel Core i5-4670k | RAM: 32GB DDR3 (4x8) Kingston HyperX | CPU Cooler: Cryorig C7

Fans: Arctic F8 PWM x2, Arctic F12 PWM x 2 | Peripherals: Generic USB Mouse, Dell PS/2 keyboard | Display: HP 2310m 23" 1080p

Expansion Cards: Asus PCE-AC55 PCIe AC wifi/bluetooth adapter, (may, add Asus Xonar DG)

Storage: 1TB 7200rpm Western Digital 3.5" HDD, 1TB Western Digital 2.5" SSD

GPU: Asus GTX 960 Turbo 4GB| OS: Windows 10 Home x64

Mobile Devices

Asus Zenfone 4 Max | Battery: 5400 mAh | Approx Battery Life: 3 Days | Storage: 32 GB Internal Memory, 32 GB mSD Card

RAM: 3 GB RAM | APU: Qualcomm Snapdragon 435 @ 1.4 GHZ | Display: 5.5" 720p | OS: Android 8.1

 

Asus ZenPad S3 10 | Battery: 4000 mAh | Approx Battery Life: 2 Days | Storage: 64 GB Internal Memory, 32 GB mSD Card

RAM: 4 GB RAM | CPU: MTK MT8176 | GPU: IMG GX6250 | Display: 9.7" 2k | OS: Android 7.1

Consoles

Nintendo Switch | 128 GB Samsung micro SD

PS4 Slim | Stock 1TB 5400rpm HDD

Networking

Cable Modem | Asus CM-16

Wireless Router | Asus RT-AC66U_B1

Link to post
Share on other sites
22 minutes ago, Eastman51 said:

I've never seen that before, wtf.

"used to increase it's ethernet bandwidth" doesn't sound like "router/limited firewall" features to me, lmao.

 

You'll need other equipment to make a DMZ. I think you need two routers, but I may be wrong.

DOCSIS 3.1 can do well over gigabit speeds so it's there for if you have a 1.5Gbit or 2Gbit plan :)

You would need a router that could have dual WAN interfaces at least.


Current Build Log:

 

Original Build:

 

Link to post
Share on other sites
1 hour ago, MikeSK said:

Thanks, the instructions mentioned signing in to the modem and setting up features.  It has two ports on the back that can be used to increase it's ethernet bandwidth which I inferred may mean it had a partial router/limited firewall functionality. 

Its so the modem "Might" support faster speeds in the future. But currently that feature is not used as there are not speeds over 1 Gbps on Coax currently. The Docsis 3.1 spec maxes out at 10 Gbps down 2Gbps up. The Full duplex Docsis 3.1 standard they are working on now should be able to provide symmetrical 10 Gbps speeds. Of course this is all theoretical. I doubt the cable network will ever be able to achieve those speeds. 

 

1 hour ago, MikeSK said:

Any wireless router recommendations?

I have the Synology RT2600 AC, it works well. Great range and speed, but for $200 USD it better have that. Its also nice that It keeps track of my monthly bandwidth usage. This way I can make sure Comcast is not trying to fuck me over on the cap and overages. While I dont use the feature, this router also allows you do limit bandwidth to select devices and make sure certain devices always have bandwidth available. 


You ever notice that many establishments have a sign that as "No Shirt, No Shoes, No service"? They never say anything about pants............ You know what that implies. You dont have to wear pants. 

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

×