Thanks for the input, What you describe is exactly what I have now.I agree that it should not be blocking anything at all but I learned from dealing with Cisco and Xyplex routers that things are not always as they seem or should be. If the modem does not have port forwarding then changing the port forwarding settings on anything downstream will have no effect whatsoever.Nope, Just gonna go lick my wounds and carry on, Thanks. Got the box now, just need the machete to chop the antenna off the window glass. T-Mobile uses some really good adhesive.
Well, here is the conclusion, sorry it is not more exciting.The response from Arris Technical Support is"As first instance, we apologize for the inconvenience you're currently experiencing with your CM820. We are sorry to inform you that the advance configuration you're trying to perform is not available on the CM820 because it is a standalone modem. Port Forwarding is only available in devices with firewall security settings, such as routers or gateways."Had I known all this weeks ago I wouldn't be under the care of health professionals now. Being from Texas I know when to get off the horse and walk. In this case I am going to walk to the storage unit to retrieve the box then spend the afternoon trying to pry the antenna off the window glass...into the box and on with what's left of my life.Thanks to the community for all the help and suggestions.
I do appreciate all the suggestions. The Cellspot is before the router. The problem does seem to be with the necessary UDP ports on the Arris CM820 Cable Modem not being open. T-Mobile Tech Support cannot "see" the Cellspot from their lofty perch so the Arris CM820 Cable Modem is blocking those portsI am able to get to the setup screen on the Arris CM820 cable modem but cannot get to the advanced features screen because it is password protected.Where I currently stand is. I have sent an email to Arris requesting help on accessing the modem and setting up the ports. It has been several days and no response back from them. For all I know there is no easy way to do this on this cable modem but experience says there is. I have to believe the techs at Spectrum when they say they cannot access the internal screens via the cable port. There should be but perhaps that "feature" was left out.My only hope now is that someone at Arris gets in touch with me by the end of the week. One would think
I am very close to being whipped on this problem.Tech Support can't see the CellSpot box because the ports on the cable modem are not open. Support gave me the Arris telephone number.Arris won't talk to a customer if the device came from a provider (Spectrum)Spectrum says they can't access the modem web site to configure because the screen says that function is unavailble.I have tried to connect directly to the cable modem to access it's internal web site but it is not connecting at all (timeouts)I have not found anything on UDP ports on the CM820 out in the Webiverse,So if nobody has an idea I guess I will call tomorrow and ask to send this unit back and end my misery.As festive as a flashing green power light seems to be I think I can do without it. After three weeks I really don't want to develop an addiction to it.
Still nothing. over 24 hours since last boot up with Tech Support driving. Trouble ticket is open.Wishing everyone a great Forth of July
The unit did arrive today. It is a V1 instead of a V2 like the last unit.It was connected and powered up at 14:15 Central time and has now been running for 2 hours and 30 minutes.Same indications as the last unit with a flashing power light and a solid Internet light.At least I don't have to wait the 72 hours called for in the V2 unit as this one said up to two hours may be required. Oops missed that one.
On your advice I did contact the customer service and ordered a replacement.I should arrive by next Monday.I will document my efforts from there.Again, Spectrum Cable into a Arris CM820 cable modem (only one port output) Spectrum says all ports are open and that modem cannot block any traffic.From there into the Personal Cellspot V2 via yellow supplied cable.From the Personal Cellspot V2 to a wireless router and an ethernet switch. Everything downstream from the personal cellspot is working normally.When I receive the replacement unit I will replace it and the yellow cable just to be sure. I will post when it is done and started.
It is Thursday at 12:26 and no change in the lights.That makes 75 hours and 26 minutes. (I think that is more than the up to 72 they said it might take)
10:00 Wednesday 49 hours after power up and still a blinking power light and a yellow internet light. Keep in mind that I let it run for a week prior to this power up and still nothing.
I am not going to touch anything until either it starts to work or Monday comes around.My last contact with T-Mobile tech support had me calling Spectrum (I am in the Dallas Area) They told me all the ports were open on my cable modem. I am connected directly to the cable modem (with the yellow cable, perhaps color makes the difference) The only thing that is not working is the cell tower function. I can do WiFi calling so I am not hard down because of this.I will post every day with an update until it works or Monday. 32 hours and counting since power up.
As of Tuesday (24 hours) 09:00 Same lights showing (no change)Today I have 0 bars on the T-Mobile signal in the house
The only lights I have on the Cellspot is a flashing green power and a solid yellow Internet.It is hooked directly to the Arris Cable Modem CM820 and downstream from the Cellspot is the Lynksys WiFi router and from that is a Ethernet Switch.All that is working but I only have 1 bar which tells me the CellSpot is not doing it's cell tower emulation.Today is Monday so After this post I will unpower the lot at 09:00 Dallas time and power it all back up again (similar to what you did) I will then give it until next Monday and if no change...back it goes.
Glad to see you have your problem resolved. Mine ran over the weekend and still no change. I am ready to just return it and do without.
Fortunately for me everything else is working fine just not set up yet.Real shame all this to solve a problem that shouldn't exist in the first place. I even remember when you could switch channels on your tv without it taking a really long time to switch. This all should be a nearly instantaneous database lookup and setup.
My V2 is doing the very same thing. Flashing lights but no sync.Setup is;1. Cable modem (Spectrum) Cable in, WAN out.2. Yellow cable from WAN port to Cell Spot Yellow.3. Cell Spot output to Lynksys Wireless Broadband Router4. Lynksys output to an 8 port switch5. Rest of the world connected to the switch.As instructed I called Spectrum and asked for the UDP ports 123, 500, 4500 to be opened and was told that my modem does nothing at all but a pass through and they (Spectrum) cannot see anything downstream from the modem.It has been in this condition for the past two days. I have pressed the reset button and I have pressed and held the reset button but it still just flashes.What do I do next?
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