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IT Gurus: Question on 2nd Home Network

Old 03-20-2019, 08:27 AM
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Default IT Gurus: Question on 2nd Home Network

Does anyone have any ideas about adding a 2nd non-wifi network for your home? My wife teaches on line and her and her students use a third party app for interaction that requires an Ethernet connection to the modem. I moved our router/modem to the basement where her “classroom” is set up so she could wire directly into the modem. It works well for her but the WIFI in the main and upper level floor sucked. So I bought a Wifi extender to boost the signal.

We have a strong signal now but the internet speed is way down when connected to the extender, which is evidently the price you pay for using an extender. Speed is fine if you are in the basement connected to the main network.

So I would like to set up her own network down in her classroom so I can bring the main router back upstairs and lose the extender. We did try adding a second modem but that just cause the two to fight each other and nothing worked.

Any ideas on how to do this with my existing service? I spoke to Xfinity, who my internet is through, but the CS rep was clueless and kept just trying to sell me extenders.

Thanks in advance
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Old 03-20-2019, 08:31 AM
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If you have a wire to the classroom and a second wireless modem router, turn the DHCP off in the second modem router, be sure the second modem router has a different SSID and channel from the first one. That should be all you need.
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Last edited by HDRyder999; 03-20-2019 at 11:25 AM.
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Old 03-20-2019, 08:40 AM
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repeaters are the worst thing they ever invented/sold.

assess point. run an ethernet cable from modem/router in basement up to the main floor or upper level. Plug in assess point. Plenty of speed and works seamlessly throughout house. If you don't want to run ethernet, use powerline networking. It will be good enough for an assess point and cheap enough.
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Old 03-20-2019, 08:51 AM
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Originally Posted by WaterEnjoyer View Post
repeaters are the worst thing they ever invented/sold.

assess point. run an ethernet cable from modem/router in basement up to the main floor or upper level. Plug in assess point. Plenty of speed and works seamlessly throughout house. If you don't want to run ethernet, use powerline networking. It will be good enough for an assess point and cheap enough.
This

or install Mesh WIFI and setup a guest network separate from yours
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Old 03-20-2019, 08:52 AM
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assess point = access point (in case you were to google it)
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Old 03-20-2019, 08:53 AM
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What is your budget?

This can easily be done with some fairly affordable network hardware. For example..what you're doing here is a piece of cake with a Ubiquiti Unifi gateway, a Unifi switch, and a Unifi access point or two (depending on the size of your house). I can create a bunch of virtually distinct/separate wired and wireless networks.
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Old 03-20-2019, 08:57 AM
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Originally Posted by HDRyder999 View Post
If you have a wire to the classroom and a second wireless modem, turn the DHCP off in the second modem, be sure the second modem has a different SSID and channel from the first one. That should be all you need.
I think you meant to use the term "wireless router"..and not "modem"
Modems don't do any DHCP, nor do they run any wireless. A modem is just a pure "bridge" that converts 1x medium (such as coax or copper pair or fiber) to ethernet or serial.

Routers typically run DHCP. for a network. Wireless routers are a residential product which combine a wireless access point into a router. Most ISPs now provide a "Gateway"..which is an all in one combo of a modem, and a router, and wireless access point.
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Old 03-20-2019, 09:23 AM
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Access point is your answer. Place it in your deadzone and wire it to the router in the basement. Problem solved.
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Old 03-20-2019, 09:41 AM
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Originally Posted by Fish Hunter IV View Post
Does anyone have any ideas about adding a 2nd non-wifi network for your home? My wife teaches on line and her and her students use a third party app for interaction that requires an Ethernet connection to the modem. I moved our router/modem to the basement where her “classroom” is set up so she could wire directly into the modem. It works well for her but the WIFI in the main and upper level floor sucked. So I bought a Wifi extender to boost the signal.

We have a strong signal now but the internet speed is way down when connected to the extender, which is evidently the price you pay for using an extender. Speed is fine if you are in the basement connected to the main network.

So I would like to set up her own network down in her classroom so I can bring the main router back upstairs and lose the extender. We did try adding a second modem but that just cause the two to fight each other and nothing worked.

Any ideas on how to do this with my existing service? I spoke to Xfinity, who my internet is through, but the CS rep was clueless and kept just trying to sell me extenders.

Thanks in advance
What options do you have for running new ethernet cables?

If not, I would put your equipment back where it was and run a powerline extender to the basement (uses existing power lines). Functionally lets your run over ethernet the whole way and they are cheap:

https://smile.amazon.com/TP-Link-Pow...s%2C130&sr=1-3
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Old 03-20-2019, 09:45 AM
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Thank you for the feedback so far.
I probably should have said I am IT stupid in my original post as much of what has been said is over my head. Has made for some interesting google-ing but has furthered my feeling of network ignorance. DHCP, SSID, Ubiquiti? I did get the part about assess/access though.

As far as my equipment, I have what I guess is a Gateway as it is modem/router all in one that Xfinity provided. I also have a simple Netgear CM600 cable modem that is compatible with Xfinity. There is an RF or R6 (or whatever coax is called now) connection right by her desk in her classroom. There is no patch for phone or ethernet.

For whatever reason the app my wife uses needs a hardwire connection to the internet and not wifi. I have a feeling it has something to do with all the data going back and forth..web cams, interactive software, voice, etc but really have no clue. I do know it won't work for shit over Wifi, so wifi for it is out.

I am really just trying to get my Gateway back up on the main level of my house to give me adeqyate wifi and give her a hardwire connection in her basement classroom. So as far as budget goes, think CATTNAP: Cheapest Available Technology That Narrowly Avoids Prosecution.

Thanks again Gents!
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Old 03-20-2019, 09:48 AM
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Originally Posted by Fish Hunter IV View Post
Does anyone have any ideas about adding a 2nd non-wifi network for your home? My wife teaches on line and her and her students use a third party app for interaction that requires an Ethernet connection to the modem. I moved our router/modem to the basement where her “classroom” is set up so she could wire directly into the modem. It works well for her but the WIFI in the main and upper level floor sucked. So I bought a Wifi extender to boost the signal.

So I would like to set up her own network down in her classroom so I can bring the main router back upstairs and lose the extender.
I guess clarify what you mean. When I first read it..those words in "bold" above tell me you want a "separate" wired (and possibly wireless) network for her classroom. Meaning..a network that may still share your internet connection, but will not be able to see/cross over/mix with your home network devices. When you mentioned "her classroom" I thought that even more...due to security/compliance reasons on her behalf.

So if one of your home computers had malware that could spread across a network...it could not infect her devices. And visa versa.

If you don't need that..if you just want to "extend" your wired and wireless network downstairs..this is even easier. You can keep your Comcast gateway (combo modem/router upstairs)...and we can find several different approaches to extending the wired, and wireless..downstairs to her "classroom in the basement".

Question...do you have COAX throughout the house? I'm sure where your Comcast gateway upstairs is now (probably living room..by the TV?) you have coax there. Does it tie in with coax cable downstairs in the basement? If so...you can get a kit (pair" of "MoCA bridges" These convert ethernet to coax..and visa versa on the other end. We can convert another wireless router to be a wireless access point..and utilize its several ethernet ports to be a switch so she can plug in several wired devices.

If no coax downstairs, there is another similar product that utilizes your homes existing electrical power system. Ethernet over Powerline bridges. It's a kit consisting of at least a pair...and you would plug one it up by your Comcast gateway..and another downstairs in the basement. You plug them into a power outlet. They have an ethernet port on them. On the one upstairs..run an ethernet cable from it to one of the ports in the back of your Comcast gateway. And downstairs...similar to the MoCA scenario above...take a wireless router and we'd do a few steps to convert it to a wireless access point..and hang it off of the bridge.
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Old 03-20-2019, 09:53 AM
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I would not have visting kids on the same network as my family stuff under any circumstances.

Assuming your cable/modem router assigns DHCP addresses automatically (most residential ones do) you could setup two separate residential wireless routers connected to the cable modem router's switch ports. You would need to assign different subnets to each residential wireless router and both of these would need to be different from the lan subnet used by the cable modem router. Also you would need to setup separate WIFI SSID's and passwords.

A more elegant solution would be to buy a better grade of router that allows separate subnets isolated from each other but both connected to the Internet.
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Old 03-20-2019, 09:53 AM
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Originally Posted by Fish Hunter IV View Post
As far as my equipment, I have what I guess is a Gateway as it is modem/router all in one that Xfinity provided. I also have a simple Netgear CM600 cable modem that is compatible with Xfinity. There is an RF or R6 (or whatever coax is called now) connection right by her desk in her classroom. There is no patch for phone or ethernet.
Which Comcast gateway do you have? (should be a sticker on the bottom..like the one I have at home, Arris T1682G or something like that)
And the Netgear..is this some second.."spare" device you had that you tried setting up downstairs? You're not currently using the Netgear upstairs in addition to the Comcast gateway right?
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Old 03-20-2019, 10:00 AM
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Originally Posted by Fish Hunter IV View Post
Does anyone have any ideas about adding a 2nd non-wifi network for your home? My wife teaches on line and her and her students use a third party app for interaction that requires an Ethernet connection to the modem. I moved our router/modem to the basement where her “classroom” is set up so she could wire directly into the modem. It works well for her but the WIFI in the main and upper level floor sucked. So I bought a Wifi extender to boost the signal.

We have a strong signal now but the internet speed is way down when connected to the extender, which is evidently the price you pay for using an extender. Speed is fine if you are in the basement connected to the main network.

So I would like to set up her own network down in her classroom so I can bring the main router back upstairs and lose the extender. We did try adding a second modem but that just cause the two to fight each other and nothing worked.

Any ideas on how to do this with my existing service? I spoke to Xfinity, who my internet is through, but the CS rep was clueless and kept just trying to sell me extenders.

Thanks in advance
there are plenty of solutions. first is leaving the modem/router where they were and running an ethernet cable down into the basement. second would be hard wiring an access point (not extender). there are some other solutions but these are probably the best two.
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Old 03-20-2019, 10:23 AM
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Originally Posted by Fish Hunter IV View Post
Thank you for the feedback so far.
I probably should have said I am IT stupid in my original post as much of what has been said is over my head. Has made for some interesting google-ing but has furthered my feeling of network ignorance. DHCP, SSID, Ubiquiti? I did get the part about assess/access though.

As far as my equipment, I have what I guess is a Gateway as it is modem/router all in one that Xfinity provided. I also have a simple Netgear CM600 cable modem that is compatible with Xfinity. There is an RF or R6 (or whatever coax is called now) connection right by her desk in her classroom. There is no patch for phone or ethernet.

For whatever reason the app my wife uses needs a hardwire connection to the internet and not wifi. I have a feeling it has something to do with all the data going back and forth..web cams, interactive software, voice, etc but really have no clue. I do know it won't work for shit over Wifi, so wifi for it is out.

I am really just trying to get my Gateway back up on the main level of my house to give me adeqyate wifi and give her a hardwire connection in her basement classroom. So as far as budget goes, think CATTNAP: Cheapest Available Technology That Narrowly Avoids Prosecution.

Thanks again Gents!
Move the equipment back upstairs, get a powerline adapter for $30 and move on with your life

See the post two above this for a link.

If that doesn't work, you can get into a more complicated solution.
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Old 03-20-2019, 10:31 AM
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Originally Posted by Seacat FL View Post
I would not have visting kids on the same network as my family stuff under any circumstances.

A more elegant solution would be to buy a better grade of router that allows separate subnets isolated from each other but both connected to the Internet.
Yes, this was kinda my idea. I want the network she uses in her teaching to be independent of the house one. Apologies if that was not clear from the beginning.

Originally Posted by YeOldeStonecat View Post
Which Comcast gateway do you have? (should be a sticker on the bottom..like the one I have at home, Arris T1682G or something like that)
And the Netgear..is this some second.."spare" device you had that you tried setting up downstairs? You're not currently using the Netgear upstairs in addition to the Comcast gateway right?
My gateway is a CISCO DPC3941T. The Netgear is just a spare modem that I had. It is not being used for anything now. Works fine though.

Originally Posted by YeOldeStonecat View Post
I guess clarify what you mean. When I first read it..those words in "bold" above tell me you want a "separate" wired (and possibly wireless) network for her classroom. Meaning..a network that may still share your internet connection, but will not be able to see/cross over/mix with your home network devices. When you mentioned "her classroom" I thought that even more...due to security/compliance reasons on her behalf.

Question...do you have COAX throughout the house? I'm sure where your Comcast gateway upstairs is now (probably living room..by the TV?) you have coax there. Does it tie in with coax cable downstairs in the basement? If so...you can get a kit (pair" of "MoCA bridges" These convert ethernet to coax..and visa versa on the other end. We can convert another wireless router to be a wireless access point..and utilize its several ethernet ports to be a switch so she can plug in several wired devices.
I have coax run throughout the house. One cable comes into the house and goes into a splitter that branches it off to a bunch of rooms. I think I have 11 total cable connection points including the one right by her classroom desk where the Gateway is now connected so she can plug right in to the ethernet port on the back of the gateway . Gateway was located upstairs in the living room by the TV.
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Old 03-20-2019, 10:37 AM
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Originally Posted by Fish Hunter IV View Post

I have coax run throughout the house. One cable comes into the house and goes into a splitter that branches it off to a bunch of rooms. I think I have 11 total cable connection points including the one right by her classroom desk where the Gateway is now connected so she can plug right in to the ethernet port on the back of the gateway . Gateway was located upstairs in the living room by the TV.
OK..so the quick approach, try a "MoCA" kit. Took me forever to type one of my replies where I mentioned this or the PowerLine kit (MattGoose was on the same thought..he mentioned the powerline kit).

Basically if you can't run ethernet to a location in a building...(or within reasonable budget)..use a pair of these to "convert" existing Coax or Powerline...into a make-shift ethernet.
They work pretty good. Depends on the quality of the existing coax or powerline. Some systems run fine forever, but on some older setups...once in a blue moon you may find them offline and just need to reboot them (unplug..plug back in).

I've setup quite a few over the years and generally they work fine. Even used a set myself when I was temporarily living in an old 3x story farmhouse and I didn't want to spend the money on running ethernet.

Here is a link to some moca kits
https://www.newegg.com/Product/Produ...=-1&isNodeId=1

Question..will your wife need more than 1x network(data) jack in the basement? And will she want wireless in the basement?
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Old 03-20-2019, 12:08 PM
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Originally Posted by YeOldeStonecat View Post

Question..will your wife need more than 1x network(data) jack in the basement? And will she want wireless in the basement?
Don't think so. She has desk top computer that she uses just for her teaching. Yes, wireless would be needed because she sometimes uses her Ipad for teaching props. Whats funny is that when the Gateway was upstairs, WIFI was not bad in the basement. Put the Gateway in the besement and WIFI sucks upstairs.

Thank you for taking the time to explain and provide ideas/solutions to me!
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Old 03-20-2019, 12:43 PM
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And you mentioned her "class"...are students bringing their computers to her office in the basement? Or using them? Or...it's just her..in her office?

So bringing a physical network connect to her computer... (Ethernet cable..aka CAT5, CAT5e, CAT6)....the several approaches mentioned above.
*Run ethernet cable from where your Comcast gateway is upstairs...down to where her computer will be. May or may not be an option for you. But it's the best, most reliable. And if you can run it yourself..the least expensive.
*Pickup a kit (pair) of MoCA bridges. As you can see, they do have some cost..from 60 to 100 bucks or so. And it's another piece of equipment to have stuffed where your Comcast gateway is. You'll connect the MoCA there to the Comcast gateway via a short piece of ethernet cable (patch cable). And you'll put the other one downstairs..and run a short length of ethernet cable from it..to your wifes computer (or you can put a switch there if you need multiple computers).

And since you say the wifi signal in the basement is OK when the Comcast gateway is upstairs..we'll leave it at that. If it's weak...we can likely help you configure that Netgear you have to be repurposed as an access point for downstairs.
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Old 03-20-2019, 12:56 PM
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This is the best mesh wifi network I have found on a decent budget. This should get you where you need to be, aside from running a network cable upstairs.

https://eero.com/
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