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Questions tagged [modem]

145 questions
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Easy management of multiple connections

on a Windows 7 machine I need to switch back and forth two connections: the LAN connection (that works behind a proxy) and a wireless connection via a USB modem. This requires every time to activate / deactivate two connections in the manager and…
pistacchio
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Is the WAN IP of an ADSL modem likely to remain the same if it is not rebooted?

Is the WAN IP of an ADSL modem likely to remain the same if it is not rebooted? Do ISPs change the WAN IP of an ADSL connection while in session (ie. prior to reboot) ?
CJ7
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Routing static IP traffic on a Comcast Business Class IP Gateway (SMCD3G-CCR)

We are in the process of replacing our firewall, which is currently the only thing connected to our Comcast Business Class modem. Comcast gives us 5 static IP addresses. Currently, all traffic to all 5 static IPs goes directly to the existing…
Jake Wilson
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T38modem manuals?

Are there any T38modem users here? I'm trying to figure out how to call T38modem with SIP. I've got everything except the --route option for receiving. I know my own phone number, but I am not sure how to set it up. Currently, I have: --route…
Brian Postow
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Intermittent disconnect: which needs replacing, the router or the modem?

We have a WatchGuard SOHO 6 with the latest firmware (6.4.1) and an ISP-supplied DSL modem. The firebox's PPPoE settings look like this: We've been having a problem lately where our internet service will go down every once in a while at no…
Kev
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How to set primary port in ModemManager?

I have a pretty old and pretty buggy modem. The QMI interface does not work reliably, so i want to use ttyUSB2 (at) instead. Is there a way to tell ModemManager to use that? Also is there a way to tell it to only use it IF the model number is…
jsaak
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Creating a gsm (LTE) connection without APN in NetworkManager

I work with a device that has an LTE modem, which has been working properly so far for many users out-of-the-box without having to configure its APN - this is not the case for all users, some of them DO require an APN setting. However,…
Chubas
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How to get a static internal IP for a 4G modem using ModemManager and NetworkManager?

I have around 16 EM160R-GL 4G USB modems connected to one Ubuntu server, which I use NetworkManager to dial up to the ISP. The problem is that the network interface I am getting on my machine has an internal IP that is fetched from the ISP, and it…
roee klinger
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Strange Port Forward Behavior

I have multiple facilities with a Sierra Wireless Modem/Router with ports forwarded to an Ubuntu Edge Computer (443 web interface, 22 SSH, etc.) Recently, we're seeing strange behavior where the forwarded web interface loads extremely slowly, or…
Oscar M
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Remote Access CPU with Different Gateway IP Sierra Wireless Modem

Suppose I have a facility with a simple, flat, LAN on the 192.168.1.x subnet. However, it has two Gateway devices (Sierra Wireless RV55 cell modems) - one at 192.168.1.1, and the other at 192.168.1.2. I have a CPU on site that is configured at…
Oscar M
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How to create VLAN in ZTE ZXHN H298A Router

I have a router / modem called ZTE ZXHN H298A V1.0 TTN.19T4_210317. I'm sharing my network with neighbours but I want to capsule my network and/or the guests network to protect my local network. So I tried to create a VLAN for the guest's WiFi but I…
kanka.dev
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ISP configured Dynamic IP is different from what websites see when I access them

We switched our internet connection and now something wired is going on. I am using a TP Link Archer 1600 modem. The ISP asked me to set connection type as "Dynamic IP" under EWAN settings. Internet is working just fine. But my modem shows the below…
Mathew Paret
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How do I hook up a business modem with 6 ports to a switched network?

I have a small business modem that has 6 ports on it, each being a static IP. My network has grown however to the point where I have more than 6 devices, so I am moving to use a switch, which has other benefits as well. Does that make my 6 static…
Tyler Durden
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Strongswan works on embedded device via ethernet but not with 4G modem

I have a Gateworks SBC with an installed Ubuntu 20.04. My SOC is connected with an USB to ethernet adapter (eth0) as DHCP Client (192.168.88.102) to my Mikrotik router (DHCP Server), which acts as my gateway to internet(Masquerade). I have installed…
Gerbaum
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Permission denied in Kannel server

Kannel Server is giving me this error on /var/log/kannel/smsmodem.log I have a Centos 7 server with kannel-1.4.4 2020-07-23 17:39:00 [4245] [6] ERROR: System error 13: Permission denied 2020-07-23 17:39:00 [4245] [6] ERROR: AT2[modemgsm]: Couldn't…
Billy Vejo
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