Remote monitor of Cable Modem

I have a Motorola Surfboard SB5100 cable modem. The modem is in another room. For unknown reasons I sometimes loose my connection. Is there any software available, especially a widget, that cou.ld display the status lights of my modem on my desktop so I could quickly and easily check my modem status if I loose network response?

I found a workable solution in another post either here or over on the Broadband Reports site.
With my modem, I enter "http://192.168.100.1/startup.html" and I get a web page generated by my modem displaying its status. I can click and get some other information. Not quite a widget but still I can quickly check to see my modem's status.
I don't know if this will work for other brands of modems.

Similar Messages

How do I configure my AirPort Extreme as a wireless access point? My cable modem goes to a router, and one of those ports goes to my AirPortExtreme.

I am about to hook up my airport extreme. My cable modem goes into a router, and one of those ports will supply my airport extreme. I was told by the Apple Store that I would need to configure my airport extreme as a wirreless access point. How do I do this?

With sbcgobal I got a Gateway 2wire modem. What I would like to know is how do I set up my APE as remote?
Unfortunately, you won't be able to do this as few non-AirPort routers will work with AirPorts in a Wireless Distribution System (WDS).

Why has my native windows 7 Pro-64 network to a windows 7 Pro-64 VM has slowed to a crawl and freezes, after the new Arris cable modem was installed?

Please appreciate the details, so the complete situation can be visualized:
The office network:
New Mac Mini PC running Win 7Pro 64, (in boot camp), networked to an iMac running the same Win 7 Pro 64, VM, UNDER Fusion 7Pro.
To review: My treatment rooms former dell PC/running vista business/ running the server and network versions of my Dental practice mgmt & X-ray capture apps, had no probs WLAN to the front desk iMac running the same PC client dental network apps under the same vista business, & Fusion 4. The dell slowly fried its power supply .
I could not wait to replace it with a Mac mini/ boot camp/ win7 pro 64 bit, as it has to run natively to capture X-rays. The front desk iMac was also upgraded to os10.10.3/ Fusion 7pro/ and its own matching Win7 pro 64bit. The iMac is wired and WLAN connected to a netgear d600 router and a Time Warner Cable modem. The modem then failed and was replaced by an arris modem. As the Arris was configured out of the box, the network ran much slower slowed, as compared to the original modem. BUT- The Vonage 2 line phone system stopped working- no incoming or outgoing voices could be heard after it rang. Then twc remote configured it and the phone now works, but the network iMac slowed to a crawl, and now freezes when accessing the Mac Mini PC dental server to edit or enter data. The Mini perfectly accesses the internet via wifi. It accesses the front desk canon printer by wifi, and can print share they the iMac that is wired to the printer, as well, BUT, the network connection is a spinning pinwheel. The front desk imac easily finds the Mac Mini PC server on the network. It connects easily by entering the servers IPv4 address SHOULD THAT last value change. But if data isn't entered in slow motion, the window and app freezes, and has to be force quit by Task Manager!
Cause:
1. I think TWC switched the cable modem from the default- Non Bridged, to Bridged mode. Could this be the cause?
2. The network setting in fusion, on the iMac is auto detect, a setting that always worked with vista and with the new Win7 system, before TWC installed the new arris modem. 3. Switching to NAT does not work at all is there a different setting to use?
3. Does the Netgear Router have to have a port or pref configured so as not to block the Server.
4. might in need an Access Point (I have an extra netgear wdr3400) ).
5. Do I need an Extender that plugs into the AC LINE?
I hope this info helps.
PS:(some addtl info:
1. File sharing works fine between the minis -Mac and boot camp sides and between the iMacs- Mac and VM sides and between eother side to or from either of the 2 computers! 2. Also either office computer and all of my my home macs , (& my iPad, & iPhone), can access each other instantly and flawlessly, with splash top streamer and jump desktop remote apps, as controller or as client! In fact, the front desk iMac can remote control the mini PC AS IF YOU WERE DIRECTLY ENTERING INFO I TO IT!
SO I think it's either a misconfiguration in the TWC cable modem &/or some additional pref to config in the router? Thanks so much for your help, (been using VM's since VPC1. & Win95 in a iMac, 1999, DV MODEL! (TWC BLAMES VONAGE FOR NOT OPENING SOME PORTS IN THE TELE MODEM. Vonage blames TWC FOR NOTopeningj ITS PORTS IN THE CABLE MODEM, when they meant the ports on the Netgear. They have passed the buck for 6 weeks with not even a guess at what to do. VERY FRUSTRATING! Again, thanks to all!

Okay Saint Steven, I'll bite:
I read your description multiple times, very carefully, and I am still confused. May I suggest the following:
* Follow basic troubleshooting procedures. Isolate each individual problem. Don't try to get everything working at once. Make one change at a time.
* If I read your description correctly, the Netgear D600 (??) Router is the office LAN (not WLAN). Connect each piece on the LAN separately one-by-one, and test each piece individually. Get your LAN and its devices working first. Forget about the Vonage and the Arris Cable modem.
* Next, look at your Internet connection. Again, try each piece separately. Depending on how the original cable modem and the new Arris cable modem are configured, you may also have to adjust the configuration of the Netgear D600 Router.
* Finally, if you are still having problems, try to organize your thoughts and presentation before you post again. List each element in your network. List how each element is configured. Be systematic.
"Arris cable modem" does not help much - some are simple bridges, others are routers, etc.
To answer your questions:
1. I can't tell from your confusing description, but I don't think so. It seems like the problems are associated with the system changes you made (replacing Dell, etc.) and the problems seem to be isolated to the local LAN.
2. Auto detect should work, but it is easy to change and test, as long as you change one thing at a time.
3. No. The Netgear router should allow all communications on the local LAN. Could you have put the "server" in the DMZ?
Note: I could not find a Netgear "D600" model in a web search. Do you mean N600?
4. No. I doubt that you need an additional access point. Based on your description, everything appears to connect to the LAN.
5. No. See 4.
To repeat myself:
* Do careful, systematic troubleshooting.
* Provide carefully written, detailed description of your network and system configurations when you ask for help.
Good luck!

Vonage between cable modem and Airport Express is a problem

I have my Comcast cable modem connected via Ethernet to the Vonage box which is connected via Ethernet cable to my Airport Express. When I try to connect wirelessly via my Powerbook it's a crapshoot whether or not I can connect to the internet. Mostly the quality is very poor if you can connect at all. If I cut the Vonage out of the equation hooking the cable modem to the Airport Express it works perfect. So Vonage is my problem and I need to change some settings either with my computer or my Airport Express, but which ones? I've been given several different ideas from the information I've sifted through (i.e. change the DNS, change the sharing prefs, get a hard wired router). Oddly enough an old HP computer I have in the basement connected to the internet via another Airport Express has no problems with connection at all. If someone could let me know which of these fixes I am preparing to try would work the best I would appreciate it.

Interesting. So you have two Airport Express devices configured into a WDS, with the one upstairs functioning as the main base station and the one downstairs functioning as a remote base station. And your PC downstairs connected to the remote base station has no problems connecting to the internet. Is that PC cabled to the Airport Express, or does it connect wirelessly to the remote Airport Express?
What happens if you bring the Powerbook downstairs to where the PC now resides. Does the Powerbook then get the same great internet connection as the PC?

My 3000H will no longer connect to the internet via my cable modem - help please.

I have 3 computers and a media server on a Linksys router with a Comcast cable modem. Everything AOK. 3 weeks ago my Lenovo 3000H shut down and rebooted for no reason. Then I began getting popups while I was on the internet saying that I needed to click on a button to make a dial-up connection. I would hit X or Cancel to make it go away. It happend more frequently and other related popups started, but I could close them and continue normally. Last weekend It happened again but I lost my connection to the internet and it would not reconnect. Now I get a big error message "Connecting through Wan Miniport(PPPOE)... Error 815: The broadband netowrk connection could not be established on your computer because the remote server is not responding. This could be caused by and invalid value for the "Service Name" field for this connection. Please contact your ISP and inquire about the correct value for this field and update it in the Connection Properties..
I called Comcast. They don't have a clue what Error 815 is. I have changed every cable, rebooted the modem, router and all computers countless times, and reset the modem per Comcast. I have taken the router out and connected directly into the Lenovo. I have gone through every screen related to broadband connection to no avail although, being a beginner, I see screens that I have no clue what they do.I have a couple of friends and a Comcast fellow who tried to walk me through the steps they thought would restore my connectio. No luck.
Can anyone walk me through the necessary steps to get me back to ground zero and then through the steps to reestablish my broadband connection?
Help Please?

Emma-
In Safari, press on the Bookmarks icon and select History. Then press on Clear History at the top of that menu, and see it there is any improvement.
If not, try unplugging your WiFi router for a few seconds. Then reset the iPad's network. Go to Settings-General-Reset-Reset Network Settings. You will need to reconnect the iPad to WiFi.
Fred

Personal file sharing via a cable modem and AEBS

At home, my Internet access is provided by a Comcast cable modem. It used DHCP; however, the address I get assigned rarely changes. What I want to do is use my G5 and an external disk to back up files from my MBP while I travel.
I have a new AirPort Extreme Base Station which I use as my router. Is there any documentation available to download that tells me how to set up the AirPort base station to allow me to mount my G5's disks on my laptop when I travel? I know I need to enable personal file sharing, but how do I get the router to allow me to access my G5's disks from my hotel? I also want to access the disk drive that's connected to my AEBS remotely.
I can do this when I connect via my MBP to my AEBS wirelessly and it works great, but I don't know what to do on the AEBS to allow it to be done from anywhere.
Any tips will be appreciated.

Hmmm, don't have the "Extreme" AEBS here... Express or something, so it looks like this one...
http://portforward.com/english/routers/port_forwarding/Apple/AirPortExtreme/FTP. htm
And the setup has no "continue" button... just the ADD, OK, and then Update buttons.

Is it possible to run AirTunes without a cable modem or any of that stuff?

Hi all,
I have an airport express base station and an airport extreme card in my machine (Powerbook G4). I got the base station as a gift, and all I want to do with it is play AirTunes. I don't want to print from the hallway or download anything from anywhere on earth. In fact, I don't even have DSL or a cable modem or anything like that. I still use dial-up because I don't spend much time on the Internet.
Anyway, I've had no luck getting this stuff to work. All I get is the flashing amber light. My stereo is plugged into the base station, and my base station is plugged in. But the base station just keeps flashing amber, and needless to say, nothing is working.
So...what the @%$* do I have to do to get this thing to play some music? Do I have to have more plugged into the base station than just the stereo? I know these are probably dumb questions, but hey, I read all the documentation that came with the base station, and I still have no clue (BTW, note to Apple: hire some people who know how to write real-world documentation that actually explains how and why this stuff works and what to do when things go wrong).
ANY help would be appreciated, and by all means, please do explain it to me like I'm a six year old. I've been using Macs all my life, but this stuff is just getting to be a little more than "take it out of the box, plug it in, and watch it work."
Thanks,
Robin
PowerBook G4 (original titanium one) Mac OS 9.2.x

Although you don't need an Internet or network connection to stream iTunes to your AirPort Express Base Station (AX) wirelessly, it will continue to flash amber, by design, because you don't.
To set up AirTunes on the AX, temporarily connect your computer directly (using an Ethernet cable) to the Ethernet port of the AX, and then, use the AirPort Admin Utility to check these settings:
Music tab
- Enable AirTunes on this base station (checked)
- Enable AirTunes over the Ethernet port (optional)
- iTunes Speaker Name: <whatever you wish>
- iTunes Speaker Password (optional)
In iTunes:
iTunes > Preferences... > Advanced > General
- Look for remote speakers connected with AirTunes (checked)

OfficeJet J6450 - Printer connects wirelessly but doesn't print post cable modem replacment

Equipment: My printer is an OfficeJet J6450. I run Windows Vista, current update.
Likely triggering event: I replaced my docsis 3.0 modem with a doscis 2.0 modem. The ISP remained the same. All other computer software and firewall remained the same.
Malfunction: After the cable modem replacement, I found that I could no longer print to my HP OfficeJet 6450. I would get an error in the printer window "Error - printing." After restarting after the initial error appeared, I would get the error "Error - sent to printer."
What I did:
At first I uninstalled and re-installed the HP software for the printer (complete package with exceptions of PhotoSmart and HP customer monitoring program).
Using the printer's network connection wizard, I entered the wireless router password to the printer. At first I didn't get a connection. Then I restarted both the computer and the printer. I also returned to the network default setting on the printer, and repeated the configuring the network. The connection finally succeeded.
The network self-test page and the printer's network wizard confirm the connection. The printer's digital display and the HP diagnostic utility also confirmed the connection. But the diagnostic utility can't print a test page and throws up an error - "Test print failed."
The disappointing result: I still cannot get anything to print wirelessly.
...Thanks in advance for your suggestions to get my printer back up and running...
This question was solved.
View Solution.

Go to Start > Control Panel > Printers and delete all instances of the printer.
Next, re-add the printer:
1. Make sure the printer is turned on and connected to your network. Verify that you can access the printer's internal web page by browsing to its IP address before continuing. Get the IP address from a Wireless Netowork Test on the front of the printer (usually in the Network menu).
2. Click >> Start >> Control panel >> Printers.
3. Click the Add a printer
4. Select Local printer
5. Select Create a new port and select Standard TCP/IP Port and click Next button.
6. Under Device type, select TCP/IP Device. Under Hostname or IP address, enter the printer's IP address. Click Next.
7. Select Hewlett-Packard from the list of manufacturers and select and select your printer model. Click Next.
If your printer model was not listed, then select Have Disk, browse the HP CD that came with your printer and select the first file that starts with hp and ends with inf. Click Open then OK. Select your printer model. Click Next.
8. If you are asked, use the currently installed driver.
9. It will ask for the Printer name -- enter a new name or use the existing one. This will be the name of the printer that you select from other applications.
10. You may be asked to share the printer. Choose NO.
11. The Print Test Page box appears. Go ahead and print it.
12. Click Finish.
Say thanks by clicking "Kudos" "thumbs up" in the post that helped you.
I am employed by HP

Accessing home mac fromwork through a router and cable modem

Hi - i'm really struggling with this - spent hours looking around net finding out how to set this up and as far as i can tell i've got it all set right - however it refuses to work.
I want to be able to access files on my home mac from work. Various ways of doing this i have read is SSH (or SFTP - Remote login) FTP Access or personal file sharing - tried them all can't get any to work so problem somewhere.
Have an NTL cable modem wired to a Netgear RP614 router which has Ip address A.A.A.A on its WAN port. It has B.B.B.1 on its LAN port. I have an airport base station acting only as a wireless access point (ie DHCP is turned off) router is allocating IP addresses - my ibook has B.B.B.3 - but have reserved this address for my iBook, ie it is as good as fixed as the router always gives my iBook this IP (using MAC address). Have port forwarded all necessary ports on the router, 22, 20, 21, 548 to B.B.B.3. Apple firewall is switched off - what am i doing wrong? I have also set the router to link to a DynDNS service to update its WAN IP everytime to my domain name i have set up.
If i try to FTP with transmit or fetch it doesnt work, if i try SFTP with fetch or transmit it doesn't work, and filesharing via connect to server doesn't work.
What am i dong wrong? How come everyone else can get this working but i can't?
cheers!!!

Right i tried my iBook connected directly to the cable modem and everything works then! Although one thing i did notice is that in the sharing windows in preferences at the bottom where it tells you how to connect to that particular service it didn't report the Ip address it reported a name - something like bcu-cu-cust36-bag-ntl.com - however when i looked this up it did resolve as the IP address reported by my network preferences.
So i'm not quite sure whats going wrong here - i'm gogin to try taking my airport base station out of the equation and hard wire my laptop to the router and see what joy there....

EA2700 not recognized by Cable Modem

I have an EA2700 (fimware "classic" 1.0.14.129982) that used to work perfectly fine with a Comcast cable modem. I just recently switched to Charter with an Arris TM902 modem and that's where the problems started. The cable modem will not recognize my router. I have to plug in a computer into the cable model when it starts up. Then I need to clone the MAC address and restart the router (after disconnecting the computer). Why isn't the cable modem recognizing the router when I restart it? I guess this could work if it would be a one time thing but I had to power-cycle the modem and it stopped recognizing the router even with the cloned MAC address. So I had to do the whole spiel again.
Is there any way to make this work easier? Should I update my router's firmware to the "smart" one?
Any suggestions are welcome ...
Thanks,
Joe

Duchtel wrote:
I have an EA2700 (fimware "classic" 1.0.14.129982) that used to work perfectly fine with a Comcast cable modem. I just recently switched to Charter with an Arris TM902 modem and that's where the problems started. The cable modem will not recognize my router. I have to plug in a computer into the cable model when it starts up. Then I need to clone the MAC address and restart the router (after disconnecting the computer). Why isn't the cable modem recognizing the router when I restart it? I guess this could work if it would be a one time thing but I had to power-cycle the modem and it stopped recognizing the router even with the cloned MAC address. So I had to do the whole spiel again.
Is there any way to make this work easier? Should I update my router's firmware to the "smart" one?
Any suggestions are welcome ...
Thanks,
Joe
Since you are changing ISP’s and using a new modem, best to reset your router back to factory settings. Press and hold its reset button down for 15 seconds and wait for the lights to stabilize. It is okay to enable the MAC Address Clone since most Cable Internet Service Providers for a router like you have would require it in order for the internet to work. Upgrading to the Cloud firmware is fine, too, that you will be able to take advantage as well of accessing your router from a remote location.

Multiple sites ASA's connected to Cable modems with same DHCP address

I have several locations with an ASA 5505 installed behind a cable modem. The cable modem is issuing DHCP for the same network address range in these locations. I have the outside interface obtaining DHCP from the cable moden network and the asa's are receiving the same outside address. I have the remotes set to use EZVPN to create the VPN tunnel back to the head end ASA 5540. I am seeing constant rekeying for phase 2 for those remote sites. is there any thing I can do short of assigning each asa a unique outside address?

Dave
The Linksys doing NAT is the reason why the ASA sees all the traffic as having source address as 192.168.2.1. The only way for the ASA to see the original 192.168.1.x address is to change the Linksys to not do NAT.
One thing that I notice is that there is not a route statement in what you posted for the 192.168.1.0 network. It is not clear whether the route does exist and you did not post it or whether the route does not exist. But if it does not exist it would certainly be a reason why you lose Internet connectivity when you change the Linksys to not perform NAT. (the ASA would have no knowledge of how to forward to the network and would drop all the traffic). Try adding the route to the ASA and changing the Linksys to not perform NAT and let us know if it works.
HTH
Rick

SMC Cable Modem/Router strange behavior

I have a home network that has my own router/wifi, so my Comcast cablem modem/router is used to pass data from the Comcast internet interface to my router and provide a telephone line. My network takes care of everything else. Earlier this week, Comcast had to replace the router because the telephone service failed. When I got home from my business trip, I began to reconfigure the router to meet my needs. The router is an Arris Model TG862G. After I got all the settings the way I wanted, my network could no longer reach the Internet. A laptop connected directly to the router could. After lots of headscratching, I restored the modem to factory defaults. Network access returned. I began setting the options one at a time, testing network connectivity at each step. Everything worked fine until I turned ON "Remote Management" by HTTP on port 8080 (the default, which was grayed out so I could not change it). As soon as I saved the setting, network connectivity to the internet died. Once I saved the values, the port number then became editable. I changed the port number and network connectivity resumed. I have noticed before that Comcast must use port 8080 for some internal stuff because I was never able to get an incoming connection on port 8080 to work. Other ports worked fine, but not 8080. So there is some "magic" on port 8080 that not only makes it unavailable for incoming traffic but also causes the routing within the cable modem to fail. It is unfortunate that the router defaults to that port. Very strange.

When I plug in a macbook air (10.8) via Ethernet USB, connected to one of the LAN ports on the TC, I get a strange 169.x.x.x IP address. Something tells me the TC isnt bridging here...
Suggest that you first check to make sure that the AirPort Express is bridging to the Ethernet port. To test, temporarily turn off the wireless on your laptop and connect it directly to the Express using an Ethernet cable.
Can the laptop connect and log on to the Internet?
If it can, then you know the Express is delivering an Ethernet signal, and the TC needs some trobleshooting.
It the laptop cannot connect, you must first troubleshoot to find out why the Express is not bridging to the Ethernet port.

EA4500 Won't get a DHCP WAN address from Cable Modem

I have an EA 4500 that I used to replace a bad WRT45 (or something like that). We have an ADT camera system that allows you to view the cameras locally and remotely. All I have to do is set a static internal address on the DVR and the public IP on the router in the application. I duplicated the setting in the old router and everything was running smoothly. However, the speed test result I was getting from the router and speedtest.net were not even close to what we were paying for (wireless and wired. But it was functional.
I called Comcast and they said we needed a Docsis 3 modem. So, I went to the Comcast office and they traded out my modem for a docsis 3. Hooked it up and everything was working again. Speeds were better but not really up to par. Hooked my laptop directly into the new modem and I was getting speeds off the charts. Frustrated, I called Comcast, they said the modem needed to be put in Bridge mode. Then the EA4500 wouldn't get a DHCP WAN adress. They took it out of bridge mode. Same result.
They sent a tech out (Mind you I've been a Network Engineer for almost 20 yrs) and he tells me they gave me the wrong modem (I wasn't there either, roommate let him in). He replaced the modem with a new all inclusive router/switch/wifi modem. He then proceeds to setup a whole new network, which of course , except the laptops that connected, my devices don't see ( printers, cameras, dvr, etc). Then, this baffles me... he did a factory reset on my EA4500. So now there are 2 seperate networks one with slow Internet and one without WAAN services.
After all this, my EA4500 still will not get a WAN address when plugged into the new modem. I would just use their new modem but to make any config changesto it, something as simple as changing the SSID name or the password, you have to call them. They won't give you access to the admin page.
Anyone have any ideas why my EA4500 won't get a WAN address? Oh, btw, I did do a MAC address clone on the EA4500 while connected to the modem and it DID get the address, but the speeds were dismal, not even 1mb up or down.

@stix180
There is a need to reset and reconfigure the EA4500 router to work with the new modem. There are certain configurations on the router that will make it work for a particular modem, and this might be causing the issue. Cable modem authenticates end users through username and password but there are cable modem/router as well in which the IP address are on the same range with the default IP address of the router. Please try to check the IP address of the computer wired directly to your modem, it should not be on the same IP address range with the EA4500 router since it will cause IP address conflict. You can change the default IP address of your router from 192.168.1.1 to 10.10.10.1. Please try to make sure that your router also has the latest firmware version installed. And it would help if you do port forwarding on the router for your camera and DVRs to resolve NAT issues.

Connecting AX and ethernet wire to cable modem (and ARD).

Hi all,
This has to be easy, but after 10 minutes of searching, I can't readily find the answer.
I have a cable modem (with one port) which works with my Macbook just fine. I plugged in an Airport Express (and used wireless only) and it works fine also, EXCEPT:
When using Apple Remote Desktop (the latest version) to control the Macs at my office, the status of all remote Macs is: Screen Sharing. When I connect to a remote system, I can see and control that Mac, but I can't copy anything either way (from remote to local or visa-versa).
When connected to the cable modem with an ethernet cable, everything works fine.
SO, I would like to connect maybe a 3 port hub to the cable modem and use both the ethernet cable and the AX (for other computers & iPhone) at the same time. Will this work? Can someone suggest a good hub/switch for this if it does?
Secondly, is there a way to use ARD on a wireless computer? It would be nice to go to a hot-spot and control my remote Macs.
Thanks.
mike p.

SO, I would like to connect maybe a 3 port hub to the cable modem and use both the ethernet cable and the AX (for other computers & iPhone) at the same time. Will this work?
No. You need a router not an Ethernet hub (or switch). The AX can't do the job because it only has a single Ethernet port.
Secondly, is there a way to use ARD on a wireless computer?
Sure. It works just like any other computer behind a router. You must configure the computer to be at a fixed IP address and then forward/map the appropriate ports through the router to the computer.

Continually knocked off home network while cable modem looks normal

I have a cable modem connected to an Airport Extreme base station (circa 2005, so it's the 802.11b/g). Almost every day I get knocked off my home network and the name of the network that shows up is "linksys" for some reason. The cable modem lights continue to flash in their normal sequence. I live in a private house, not an apartment building.
What I then do is follow a protocol that I discovered on this site (I don't remember if it was this forum) a couple of years ago -- I shut down all the computers, unplug the modem and Airport, wait five minutes, and then plug everything back in sequence.
Last night after I got through yelling at my cable company, they ran some tests remotely and suggested that the problem was with the Airport base station. How can I check for the connectivity of that? What in the System Preferences or Airport Setup can I look at? Thanks.

Change the wireless channel on your AirPort Extreme to try to avoid the interference that you are picking up from the Linksys router in your vicinity.
Open AirPort Utility - click Manual Setup
Click the Wireless tab/label located just below the row of icons
Start with Channel 11
Update to save your changes
Keep trying different channels working your way down until you find a clear channel, or you run out of channels

Remote monitor of Cable Modem

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