F5F Stay Refreshed Power Users Networks Technical issues with modem, router, or related devices.

Technical issues with modem, router, or related devices.

Technical issues with modem, router, or related devices.

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carp3
Senior Member
572
10-28-2025, 04:46 PM
#11
Channel Lock Status Modulation Channel ID Frequency (MHz) Power (dBmV) SNR (dB) Corrected Uncorrected 1 Locked QAM256 1 513.0 -4.8 40.8 2221 0 2 Locked QAM256 2 519.0 -5.1 40.5 2575 0 3 Locked QAM256 3 525.0 -5.2 40.3 2662 0 4 Locked QAM256 4 531.0 -5.6 40.2 2782 0 5 Locked QAM256 5 537.0 -5.7 40.1 2512 0 6 Locked QAM256 6 543.0 -5.9 39.9 2300 0 7 Locked unknown 0 0.0 0.0 0.0 0 Total 17144
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carp3
10-28-2025, 04:46 PM #11

Channel Lock Status Modulation Channel ID Frequency (MHz) Power (dBmV) SNR (dB) Corrected Uncorrected 1 Locked QAM256 1 513.0 -4.8 40.8 2221 0 2 Locked QAM256 2 519.0 -5.1 40.5 2575 0 3 Locked QAM256 3 525.0 -5.2 40.3 2662 0 4 Locked QAM256 4 531.0 -5.6 40.2 2782 0 5 Locked QAM256 5 537.0 -5.7 40.1 2512 0 6 Locked QAM256 6 543.0 -5.9 39.9 2300 0 7 Locked unknown 0 0.0 0.0 0.0 0 Total 17144

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FluffyDough
Junior Member
3
10-29-2025, 11:18 AM
#12
Downstream appears fine. Verify upstream SNR—aim for below 54dB and above 35dB. If your signals look good, consider rebooting the modem; it might be due to a misdownload. The config file determines your speed. Should everything else work, contact them directly. It seems you only have seven downstream channels, which is unusual.
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FluffyDough
10-29-2025, 11:18 AM #12

Downstream appears fine. Verify upstream SNR—aim for below 54dB and above 35dB. If your signals look good, consider rebooting the modem; it might be due to a misdownload. The config file determines your speed. Should everything else work, contact them directly. It seems you only have seven downstream channels, which is unusual.

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Griefer0215
Junior Member
13
10-29-2025, 02:13 PM
#13
Upstream is 43-44. The fourth stream matches the eighth for down. I’m not sure how many times I’ve unplugged the modem. Comcast has done it too. Twice with the new modem. Would this affect the modem to only see one specific computer and just that device? That’s the main problem right now. I can’t use a router with my modem and no other computer besides the one I’m currently connected to.
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Griefer0215
10-29-2025, 02:13 PM #13

Upstream is 43-44. The fourth stream matches the eighth for down. I’m not sure how many times I’ve unplugged the modem. Comcast has done it too. Twice with the new modem. Would this affect the modem to only see one specific computer and just that device? That’s the main problem right now. I can’t use a router with my modem and no other computer besides the one I’m currently connected to.

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owldragonaxe
Member
223
10-31-2025, 06:02 PM
#14
Modems shouldn't worry about the device connected. If you're stuck, you might need to restart both the modem and the device to get an IP address. You can attempt using a router and copying the MAC address of the working computer to test. The connection might be fine. Our area only had three upstream channels for a while. We just added the fourth recently.
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owldragonaxe
10-31-2025, 06:02 PM #14

Modems shouldn't worry about the device connected. If you're stuck, you might need to restart both the modem and the device to get an IP address. You can attempt using a router and copying the MAC address of the working computer to test. The connection might be fine. Our area only had three upstream channels for a while. We just added the fourth recently.

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Arthur_theking
Junior Member
6
10-31-2025, 06:53 PM
#15
I remember seeing an option to manually configure the MAC address on the router. I'll take a look and update you.
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Arthur_theking
10-31-2025, 06:53 PM #15

I remember seeing an option to manually configure the MAC address on the router. I'll take a look and update you.

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grosdent
Junior Member
7
11-04-2025, 12:52 PM
#16
The MAC adjustment didn't make a difference. I'm really confused.
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grosdent
11-04-2025, 12:52 PM #16

The MAC adjustment didn't make a difference. I'm really confused.

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HC_Andi
Member
74
11-04-2025, 05:25 PM
#17
I'm here to help figure this out. It sounds like either the router's WAN connection is broken or the modem isn't working properly. It's tough to tell for sure.
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HC_Andi
11-04-2025, 05:25 PM #17

I'm here to help figure this out. It sounds like either the router's WAN connection is broken or the modem isn't working properly. It's tough to tell for sure.

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thavuk
Junior Member
1
11-07-2025, 10:06 AM
#18
I've also switched to another router. One I'm familiar with functions well. This new modem is operating just like the previous one. Ugh.
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thavuk
11-07-2025, 10:06 AM #18

I've also switched to another router. One I'm familiar with functions well. This new modem is operating just like the previous one. Ugh.

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Luxa22
Member
82
11-09-2025, 04:02 AM
#19
Activate the modem and remove the phone line connection. Connect the modem using Ethernet to a computer. Access the settings at 192.168.0.1 or 10.0.0.1 according to your model and verify connectivity. Set up DHCP, then reinsert the modem into the phone line and connect another PC. Send a ping from the first PC to the second: Windows/Linux uses ping 192.168.1.2. Ensure you update the IP address to match the connected machine. If successful, your internal network is functional. Try pinging google.com to confirm broader connectivity. If issues persist, I can guide you through advanced router settings.
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Luxa22
11-09-2025, 04:02 AM #19

Activate the modem and remove the phone line connection. Connect the modem using Ethernet to a computer. Access the settings at 192.168.0.1 or 10.0.0.1 according to your model and verify connectivity. Set up DHCP, then reinsert the modem into the phone line and connect another PC. Send a ping from the first PC to the second: Windows/Linux uses ping 192.168.1.2. Ensure you update the IP address to match the connected machine. If successful, your internal network is functional. Try pinging google.com to confirm broader connectivity. If issues persist, I can guide you through advanced router settings.

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Lover_Girl
Member
197
11-13-2025, 02:38 PM
#20
As stated above. Hes on Cable internet not DSL. No Phone line. Its a standard Motorola modem. Which uses the 192.168.100.1 address. Im for sure, I have a Motorola cable modem myself, But mine is from before Motorola was bought by google, sold to Arris and the name was sold to Xoom.
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Lover_Girl
11-13-2025, 02:38 PM #20

As stated above. Hes on Cable internet not DSL. No Phone line. Its a standard Motorola modem. Which uses the 192.168.100.1 address. Im for sure, I have a Motorola cable modem myself, But mine is from before Motorola was bought by google, sold to Arris and the name was sold to Xoom.

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