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1
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2answers
52 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 ...
-1
votes
1answer
60 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 ...
11
votes
3answers
8k views

What's the difference between a switch, a router, and a modem?

What's the difference between a switch, a router, and a modem?
-4
votes
2answers
146 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
105 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
110 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
745 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
105 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
41 views

Can ISPs learn customers ADSL modem brand? [closed]

Can ISPs learn customers ADSL modem brand by any means?
0
votes
3answers
159 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 ...
1
vote
1answer
96 views

Web ERP slow response when somebody upload files in an ADSL connected office

We have developed, and deployed, a web ERP for various small companies (less 30 users each one). Those who have cable connection don't experience any problems related with slow connections, but one is ...
0
votes
1answer
59 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
187 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 ...
0
votes
2answers
376 views

How can I use my AP's DHCP server?

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 ...
1
vote
1answer
234 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
379 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
65 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
1k 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? ...
0
votes
0answers
103 views

How well supported is reverse ssh tunelling - wireless modems?

Does anyone know if GPRS cell modem providers univerally allow reverse SSH tunnels to be established? I'm looking for a solution to reliably allow SSH connections to systems on wireless modems that ...
1
vote
2answers
725 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
118 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, ...
0
votes
0answers
110 views

Communicate from PC in internet to remote GSM device

I have several remote devices that use GSM modem and gather data. I need to communicate with those devices from a PC station located in a office using the dial up connection. Is there a way to do this ...
2
votes
2answers
259 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
79 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 ...
2
votes
1answer
765 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 ...
1
vote
1answer
96 views

Replacing modem with a vpn router

Can I replace an open network iconnect 624 modem with a cisco router in a small network that needs multiple PPTP VPN connection? iconnect 624 modem doesnt allow multple simultaneous PPTP VPN channels? ...
1
vote
1answer
509 views

Gateway Modem loses ability to DNS lookup intermittently, often under heavy load

We're using a Bell 2Wire Gateway modem/router as our only hub (with some switches attached). Intermittently, but frequently when a large download is initiated, all computers on our LAN lose the ...
0
votes
1answer
126 views

Bridging DSL wifi router to a PacketCable modem [closed]

I used to use a DSL based Internet connection (an AirLive WT-2000ARM). Recently I changed my Internet connection and it is now provided through PacketCable. The provider gave a modem for it (Thomson ...
0
votes
1answer
936 views

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 ...
1
vote
0answers
243 views

Cisco 678 Will Not Work using PPPoE

I am attempting to configure a Cisco 678 because I am totally sick on my Actiontec. However, I am running into some problems. It seems as though the Cisco is able to train the line, but I am unable to ...
0
votes
2answers
128 views

Why does sending mails via a modem connection is so slow?

I have a mail server that periodically connects to the Internet via modem dialup. And before I was able to send emails with attachments of 300kb and 500kb in just only 1 or 2 minutes. I have not made ...
0
votes
1answer
71 views

WiFi Hotspot Security / Payments [closed]

I'm setting up a local coffee shop network-And we need to display a terms of service / authentication screen before they can connect to internet. Internet --> PC/SERVER --> Wireless Router Then ...
1
vote
2answers
114 views

256k speed connection to host multiple users

I've been given a 256k modem for a 2 day event to allow users access to the internet. There will be multiple connections (I anticipate 30+). How can I set this up so that it can support that many ...
0
votes
0answers
217 views

Fax modem sends corrupt output, receives OK

I've got a brand-new external USRobotics 56k fax modem attached via serial cable to COM1 on an HP DL380 running vSphere 4.1. The guest operating system in question in Server 2003 Std, SP2. Serial ...
0
votes
1answer
729 views

How to setup tp-link wi-fi adsl router to use internet signal from cable modem (there is no WAN port)

I have TP-LINK TD-8901G router and it has 4 LAN ports, but there is no separated WAN port. Also, I have one CISCO 2100 cable modem. So, how I can setup tp-link to use signal from cisco modem and to ...
5
votes
3answers
970 views

Connecting to an analog dial-in PSTN terminal without a PSTN line

there's a computer ("server") that has no Internet connection, and it is located in a place with no GSM signal. The only way to get connection to it is an analog modem (US Robotics 56Kbit/s). This ...
1
vote
1answer
631 views

How to configure public IP behind a modem/router (Actiontec GT724R)

I want to figureout how to use a public IP address (ISP provided) behind the modem/router. I'm replacing an aging modem with a NEW one, which is an actiontec GT724R modem. Its manual is Here This ...
1
vote
2answers
558 views

Two wireless access points directly connected to modem possible?

I've got the following arrangement set up: Wireless Modem/Router/Switch --> Router 1 (LAN to LAN) Wireless Modem/Router/Switch --> Router 2 (LAN to LAN) with: Wireless Modem/Router/Switch Static ...
4
votes
2answers
450 views

Modem emulator for Ubuntu

Anyone know of an end-to-end modem emulator which supports AT commands? I've tried several Windows products but none seem to work with Cygwin. Something native to Linux and Unix is preferable. And ...
1
vote
2answers
538 views

Port Forwarding not working locally

I have a new Comcast Business Gateway that just replaced my old, perfectly-functional residential modem. I noticed the router I had only had a 10/100 ethernet WAN port but I have a 100mbit connection, ...
1
vote
1answer
187 views

Modem with support for wired 802.1x

I'm looking at allowing internet access for only a few scattered users on a school network. One method I'm considering is using 802.1x authentication for the modem. Of course there are simpler options ...
1
vote
2answers
384 views

Windows - how to clone network connections entry to another machine

Let's assume we have two Windows XP computers with identical hardware configuration, including GPRS modem connected to COM1 serial port. On the first PC we add new modem device, set up gprs connection ...
0
votes
1answer
174 views

wvdial centos zoom modem redial issue

I have a zoom modem that dials out initially fine when I control-c out and try and redial it hangs, how do I tell wvdial to reset the modem before dialing I searched google but could not find the ...
0
votes
1answer
188 views

Local sharing between Netgear router and modem

We have 2 internet (Broadband) connection, About connection 1 ADSL modem (Binatone) + Netgear wireless router (Netgear WGR614-v10) ADSL Modem (192.168.1.0) , Wireless router (192.168.2.0) About ...
0
votes
1answer
375 views

Westell 7500 - unable to reach static IPs from external network

I am trying to troubleshoot a network configuration at a remote site. It's a standard configuration for us, that we use across multiple sites. The only difference here is that this ISP uses PPPoE, ...
1
vote
1answer
176 views

Best multi-port modem to use with a Hylafax server?

I need to figure out what modem to use with 6 external lines or more for a fax2email gateway server using hylafax. I could go with something internal or external on a PC, but I need to be able to ...
1
vote
1answer
126 views

Modem Question - PPPoE and PPPoA

What's the difference between PPPoE and PPPoA?