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0
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0answers
16 views

How does an Internet buffer work? [closed]

Maybe my understanding of buffers is completely wrong, but I am under the assumption that it is basically stored information to be accessed by a network or computer or whatever else has a buffer. I ...
1
vote
1answer
159 views

Analog modem to virtual server or server [closed]

Does anyone know of any services/providers that offer connecting an analog modem (to telephone line) on a server? Thanks!
-1
votes
2answers
1k views

How can I use my AP's DHCP server? [closed]

I have a Huwawei modem and a TP Link access point, I did the setup everything works, the TP Link is using the DHCP of the modem. The issue is that I want to use TP LINK as DHCP, not the Huwawei. In ...
2
votes
2answers
76 views

How to replace a hardware modem by virtual modem

I have an embedded device that is connected by an old dial-up modem to the Internet. I cannot change the embedded device but would like to connect the embedded device to a Linux machine that has an ...
-2
votes
0answers
10 views

modem mode vs bridge mode [migrated]

What is the difference between a modem mode and bridge mode? The scenario is that we have a router supporting ADSL, and a second router with more advanced options. Two routers are connected so that ...
0
votes
1answer
87 views

How to use two different ISP on same LAN with one Ethernet switch?

Sorry if same question is asked on Stackoverflow. I searched and tried some configuration but are not working in my case. I have a LAN with 6 machines which are on same network (each other can be ...
1
vote
0answers
40 views

Gateway/Modem overload when running a web spider

Problem: All other devices on the network experience serious lag and timed out web pages, email, chat dropping, etc while this is running. This is a cross post from stackoverflow, I may have used the ...
0
votes
1answer
47 views

Modem, Router, Switch configuration [closed]

I have two switches in different rooms, both wired to a router (LAN ports) which is in turn wired (WAN port) to a cable modem. I want to switch from cable to DSL for cost reasons, but keep the router ...
13
votes
3answers
11k views
0
votes
1answer
43 views

modem rejects logon credentials If I try to connect through http://modem/. works fine if I connect with http://<ipaddr>/

This is a real bugger:) My modem is a ZTE ZXHN H108L, connected to a linux firewall/router/gateway. The gateway is a Slackware 14.0 system on which DNS, DHCP, VPN and transparent PROXY run. The ...
0
votes
1answer
256 views

How to connect a /dev USB modem in an LXC container?

I've been struggling with various tutorials to hook up my /dev/ttyACM0 in a lxc container. Basically I've tried adding the following line in my lxc config : lxc.cgroup.devices.allow = c 166:* rwm ...
0
votes
0answers
550 views

Windows Server 2012 RRAS/NAT with PPPoE Modem

I'm trying to connect to a BT Openreach VDSL Modem with Windows Server 2012 R2 Essentials, I have RRAS with NAT set up. My server looks like this; NIC 1 - Into a TP-Link Switch to connect a myriad ...
0
votes
0answers
33 views

Using a Barracuda F400 Firewall Router Without a Modem

I'm looking into a problem where VoIP phones don't ring for some of the incoming calls that I believe might be due to the network configuration. Do you need a modem if you are using a Barracuda F400 ...
3
votes
1answer
237 views

How to set up Incoming Connection over modem for offline Windows 7 system

I have a Windows 7 computer that will be offline except for a modem connection. From a previous question I have worked around an error setting up the Incoming Connection. (The RemoteAccess service ...
-2
votes
1answer
92 views

How to get a portable LTE modem + wifi access point that uses replaceable (AA/AAA) batteries? [closed]

There is a lot of devices, that act as a 3G/4G modems and access points. Their weak part is that they use internal battery, which is expensive/not easily replaceable. The ideal solution would be to ...
0
votes
0answers
29 views

TAPI Scripting - Script calls to a modem

So I'm looking into trying to be able to script dialing phone numbers to a modem and receiving output if the site is "up" or "down." Is this possible using TAPI? What scripting languages would I have ...
0
votes
1answer
68 views

Bash — Using a character-based graphical utility to store output

I'm using bash to script a remote dialing program in an Ubuntu(14.04) server and I am having some significant trouble trying to read the output from it. I would like the program to execute as I would ...
0
votes
1answer
730 views

Port forward remote desktop without a gateway over 3G modem router [closed]

I'm trying to connect from a laptop, through a VPN, and a 3G modem/router, to a remote PC / computer. PC (192.168.1.33) | 3G Modem (192.168.1.22) | [3G internet, connecting to VPN] | ...
1
vote
1answer
40 views

Minicom Successive Address Dialing

I've been tasked with writing a script for the minicom connection utility that tests a series of numbers in its dialing directory, I have found the baked in scripting language to be near useless. I've ...
1
vote
1answer
154 views

One router and one modem+router. Can I pass a static IP range from one to the other?

I had been running a Huawei HG612 connected to a DD-WRT router for internet services using PPPoE as authentication. Due to an office move, I need to have a DG834 modem+router which will be used for ...
5
votes
6answers
3k views

Ubuntu failover from Ethernet-to-ADSL-modem to USB 3G dongle

I have an internet connected Ubuntu server, connected by Ethernet to a residential ADSL line. This is adequate, most of the time, but I can't rely upon the ADSL link to be as reliable as I'd like. ...
1
vote
1answer
1k views

Asterisk, IAXModem & Hylafax how-tos?

I'm trying to set up Asterisk and IAXModem to send faxes via T38 (Yes, I know I'm swatting a fly with a Buick...) However, since I'm trying to do something so small with a product so large, I'm having ...
1
vote
2answers
93 views

UltraSPARC Serial Port and Required Cable

I have two large SPARC machines and no monitor cable that plugs into them. So I'm trying to get a serial connection to them through null modem cables. However, there doesn't appear to be such ports on ...
0
votes
1answer
774 views

How to connect devices behind Comcast router/modem with devices behind wireless router [closed]

I know this is going to seem like a simple solution but I have been unable to find a clear answer through Google. Simple office setup: I have a Comcast modem/router that has 4 hard wired ports. In ...
-5
votes
2answers
424 views

Make own dial-up ISP using broadband connection [closed]

So, I see no reason why this wouldn't be possible. I have a Linux server (a Raspberry Pi to be exact) connected via Ethernet to a broadband ISP. I want to be able to dial a number, have it go ...
0
votes
1answer
265 views

Why won't mutliple identical 56k fax modems work in Windows?

I've just installed two identical fax modems into a Windows Server 2003 Standard server and for whatever reason, the first one works fine and the other doesn't. They both create virtual COM ports and ...
-3
votes
1answer
128 views

I need a 5th port on a 4-port modem [closed]

I'm managing a big building, with a lot of services/vendors and I have a DMZ'd 4-port cable modem, Model: SMC8014, that has 4 separate networks branching off each of its 4 ports. Each network has its ...
4
votes
4answers
975 views

How a router decides destination of packet?

I have a basic networking question. Two PCs are communicating on a WLAN. Both the PCs are behind routers or modems. Both the PCs have the same public IP. That public IP is most of the time is either ...
0
votes
0answers
260 views

Chat: alarm - pppscript failed connection

I have a gsm modem (using a 3G mobile sim) on a linux machine, and I'm often experiencing the following problem: at boot, the chat script tries to connect every 60 seconds until connected. From time ...
-3
votes
2answers
48 views

Can ISPs learn customers ADSL modem brand? [closed]

Can ISPs learn customers ADSL modem brand by any means?
0
votes
0answers
306 views

Ubuntu 12.10: wvdial connection shared through NAT resets and reconnect with every packet request

I'm having this problem: I'm sharing my wvdial modem connection through NAT configuration with these commands: $ sudo iptables -t nat -A POSTROUTING -s 192.168.0.0/24 -o ppp0 -j MASQUERADE $ sudo ...
-2
votes
2answers
586 views

Antenna connection 3G modems [closed]

something less software related. :) I need to identify the antenna connector for two of 3g modems. the connector looks like this: I do have a crc9 antenna i would like to use, so i just have to ...
0
votes
0answers
493 views

Hylafax isn't working on Ubuntu 12.04 with Elsa Microlink 56K modem

The Setup Ubuntu 12.04 64bit Elsa Microlink 56k modem: root@energie1:~$ stty -a -F /dev/ttyACM0 speed 9600 baud; rows 0; columns 0; line = 0; intr = ^C; quit = ^\; erase = ^?; kill = ^H; eof = ^D; ...
0
votes
3answers
238 views

What's the best fail-safe backup option to access the firewall in case the network becomes unreachable?

We're hosting 12 servers on a rack in a datacenter with minimally sufficient administrative skills to do the job right now. We have VPN to a firewall and a DMZ and internal network configured. But ...
0
votes
1answer
61 views

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 / ...
2
votes
2answers
567 views

How can dial a modem phone number from an IP connection? [closed]

I have Cisco router in a remote location. I have attached a modem to the aux port of the router. The problem I am facing is how do I dial the modem's phone number from my computer in my house that ...
1
vote
1answer
580 views

Connect from firewall to Cisco 877 in Bridged mode

I have a Cisco 877 in bridged mode acting as an ADSL2 modem only. My firewall is doing PPPOE and the internet works great. What I would like to do is give vlan1 on the Cisco 877 an IP address e.g. ...
6
votes
3answers
4k views

Old dial up modem noise explanation [closed]

I am looking for a technical documentation on the connection procedure used on the old Dial Up modem that generate this sound: http://www.youtube.com/watch?v=iHW1ho8L7V8 I can't find anything on ...
1
vote
5answers
1k views

How do I route a public Class C network through Comcast router?

We have a public class C network that our company owns, we're moving from T-1 lines to cable, most of my public servers will be moving to a data center, but I still need the public class C network ...
1
vote
0answers
416 views

Setting up Cisco routers using WIC-1AM interface cards for backup/failover over dialup

I have two 1751 routers using a 56K connection. The routers work with out any issues. I want to add a WIC-1AM to each router as backup/failover. All I need to do for the routing should add a new ...
1
vote
1answer
78 views

Server is pingable on some ips but not on others

We have comcast business class internet with 5 static IPs. 4 out of 5 of them are assigned to a server that sits right behind the smc. The smc has DHCP disabled so it should be in pass through mode. ...
0
votes
4answers
2k views

Find the ip address of my modem from outside my network [closed]

I am out of town, and dyndns droped my account and deleted my ip address. I set up a new dyndns account, but I really need the ip address of my home modem. Is there any way for me to retrieve it? ...
1
vote
0answers
1k views

usb_modeswitch not switching

After I upgraded from kernel 2.6.18 to 3.5.3 modeswitch started not to work for me. Although lsusb shows my usb modem, usb_modeswitch does not switch it. My system information is like below. I ran ...
2
votes
2answers
1k views

How can I team or balance two DSL connections? [duplicate]

Possible Duplicate: Is there a sensible way of ‘teaming’ two ADSL connections? WARNING: I am NOT a networking professional (obviously, see below) but I am a programmer and have a decent ...
0
votes
1answer
1k views

What's the best scenario for using a wireless router with Comcast Business Class [closed]

Just had Comcast Business Class internet installed (usage details at bottom of post). During the call to order I asked about the hardware they'd be providing and was told it was a docsis 3 modem that ...
0
votes
1answer
167 views

Connectiong adsl router/modem and router with bridgemode

I have one adsl modem/router which is not "top" of the line and it lack allot of options which I need. I was able to acquire one Cisco router recently which has all options that I need ( like DMZ, ...
2
votes
2answers
275 views

Modem/router that can handle 50+ clients

I have a network of 50+ PCs, with a Dynalink RTA 1320 for internet access, and have issues with internet speed. The Dynalink connects with a PPPoA connection. Only about 20 actually have internet ...
0
votes
1answer
110 views

How can I add multiple modems to windows XP when only one physical modem is connected?

I'm working with some older software (Procomm Plus) and it requires about 40 modems to be installed. It doesn't need 40 physical modems installed, just around 40 installed in windows xp and mapped to ...
1
vote
1answer
555 views

SSH client error “Connection Time Out”

I am trying to connect to an ec2 instance via a Java SSH client. The error I am getting is Connection Time out. Now the problem is either with The Modem - DWM-156 HSUPA 3.75G USB ADAPTER (I am ...
2
votes
1answer
939 views

Prevent specific USB Mass Storage mount with udev on Ubuntu?

On Ubuntu 10.04, I have a USB 3G dongle which presents itself initially as a USB Mass Storage device with Windows drivers. usb_modeswitch can be used to get it to present itself as a modem, but the ...