Gateway is a computer networking term. A gateway allows two or more computers to connect to the internet at the same time. While doing so, only the gateway's IP address will be visible externally. The other computers will be *hidden* behind the gateway.

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What does “On-link” mean on the result of “route print” command?

I'm using Windows 7. When I type "route print" under command prompt, I get a IPv4 Route Table with several "On-link" values under the Gateway column. For example, like this one: IPv4 Route Table ...
13
votes
4answers
18k views

How can I ping via an alternate gateway?

Our network has two modems, each one hidden behind a router. The primary router is on 10.1.1.1, the backup router is on 10.1.1.2, and are both configured to the 10.1.1.0/24 subnet. Both routers have ...
9
votes
6answers
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How can I find the IP address of my client bridge router?

I have a client bridge (LinkSys WRT54GL router with DD-WRT firmware). I specified an IP address of 192.168.1.2 for the device, however, when I run ipconfig, the default gateway is now 192.168.0.1. ...
9
votes
3answers
8k views

SSH server can't be connected to when VPN is turned on

I recently found that when my workstation connects through a VPN connection then its SSH server can't be connected to from a remote site. I am sure it's a routing problem because the the VPN client ...
8
votes
1answer
7k views

Understanding Windows Routing Tables and Default Gateways

long-time reader, first-time poster! First, let me thank you all for reading this post, and for having such great answers to everyone's questions. I think this is the only time I've had to post ...
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5answers
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What's the difference between “default gateway” and “preferred DNS server”?

TCP/IP Properties of a network connection in Windows Server 2003 has two different options, "Default gateway" and "Preferred DNS server".
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votes
4answers
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Identify the device if it is hub, switch, router or gateway

If you are given two hosts which are connected via a blackbox which you dont know. How can you recognize that blackbox as hub, switch, router or gateway without using any additional device or host? ...
6
votes
3answers
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SCP through SSH gateway connection

My network layout is something like this: Now Alice has access to SSH gateway (just gateway from now on) with: ssh alice@external.ip and the authorized keys file on the gateway looks like this ...
6
votes
3answers
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VirtualBox: VPN networking test environment

I want to setup VirtualBox instances of Ubuntu guest to make a VPN test network. The host is Windows 7 Ultimate. My hope is to setup a VirtualBox instance which represents a gateway for the test ...
5
votes
3answers
769 views

Multiple home routers

Suppose I have the following configuration: Router A: WAN port connected to the Internet, LAN = 192.168.1.0/24 Computer A: Connected to router A as 192.168.1.101 Router B: WAN port connected to ...
5
votes
1answer
548 views

Rackspace Firewall/Gateway Setup

I have rackspace account and wish to have this sort of setup: Firewall/Gateway eth0 - Public IP (56.X.X.X) eth1 - Private IP (10.X.X.X) Ubuntu 10.10. Accepts connections from the internet and ...
4
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2answers
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Why does `route` hang for a while before the route table being dumped?

Typing the command: % route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.0 * 255.255.255.0 U 2 0 ...
4
votes
1answer
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How do I configure AT&T's Uverse 2Wire 2701HGV-B Gateway into DMZPlus Mode?

I subscribed for AT&T's Uverse service and they shipped me a Wire 2701HGV-B Router/Gateway/Firewall/WiFi. I would like to configure AT&T's hardware to have less control and use my trusted ...
4
votes
1answer
35 views

Batch file - splitting a default gate way in to it's component parts, adding a number then reconstituting

Basically, what I need to do is get the default gateway of a Win7 machine which I have accomplished with the below code: @echo off for /f "skip=1 delims={}, " %%A in ('wmic nicconfig get ...
4
votes
1answer
2k views

Configuring default gateway returned by dhcp server

I have a machine which connects via ethernet to a private LAN, and wireless to a network which provides internet connectivity. The private LAN uses a wireless router to perform DHCP. The problem is ...
3
votes
2answers
857 views

Connecting 20 pin power supply to a 24 pin board

I have scoured the web and unable to find a manual for my board telling me how I should hook up my new power supply. PC: Gateway GT5628 Board: Intel Desktop Board DG33SXG2 Original Power Supply: ...
3
votes
1answer
10k views

Find out dhcp assigned gateway and dns settings in Linux (CentOS)

How to find the gateway and DNS IPs in a DHCP configured network in CentOS? I'm using CentOS installed in vmware using NAT connection and I want to make the ip static.
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2answers
47 views

Disabling internet connections while keeping one web service online

I know similiar questions were asked, but my problem has a little twist. I'm new at IT administration, but my supervisor gave me a task to complete: I have to disable web browsing on one of the ...
3
votes
1answer
14k views

Setting multiple gateway for internet connection

In our office we have windows xp and 8 pc connected in network.We are using about 4 internet connections. But in pc only one default gateway is set.But if one internet connection is failed then ...
3
votes
1answer
2k views

Linux: multiple network connections - 3G/4G / Wifi / LAN / etc; how can i set a preferred network connection to use?

I've been looking at how I can setup a laptop that has multiple network interfaces, but a problem exists if all the connections are active, i.e. 3G, WiFi and LAN are all connected, I would like it to ...
3
votes
2answers
2k views

2 gateways 1 nic Ubuntu

Please note that this is ONE NIC and TWO Gateways Now this solution is super easy in Windows: * Connection Properties -> TCP/IP Properties -> Default Gateways -> Add (separated by metrics) I notice ...
3
votes
1answer
28 views

dynamically distribute gateway

Here is picture of very simplified network: Linux is running on all of PCs. PC10 act like router = default gateway for net 1 and net2. Everywhere is IPv6 protocol. All PCs must have static IPv6 ...
3
votes
1answer
296 views

Allow only one website using iptables in a linux router [duplicate]

I have a Linux server I'm using as a router for my internal network. I need to block all the websites except one or two using iptables. How can I set this up?
3
votes
0answers
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Windows 8.1: Force all traffic through VPN

I have applications running which need to access a URL through the VPN - NOT through the general internet. I want to be able to specify that all traffic MUST flow through the VPN, but I don't know ...
3
votes
1answer
353 views

Using a Ubuntu AWS instance as tunnel for RDP to simulate bandwidth

I have a bunch of windows instances on EC2 which I can connect to using RDP. I want to test the performance of RDP under various bandwidth and latency conditions. I know about thetc qdisc tool which ...
3
votes
1answer
3k views

Using VPN connection in OSX will only route through the first service in “Service Order”

I am trying to get my VPN connection to only route network traffic related to my workplace through the VPN connection and any other traffic through my Wi-Fi connection. If I have my Wi-Fi at the top ...
3
votes
1answer
83 views

maillist to (local) NNTP server gateway [closed]

Does anybody know a maillist to (local) NNTP gateway software? Some maillist systems like Mailman provide to interface the maillist they manage with (a) NNTP (system). This of course can be configured ...
2
votes
3answers
5k views

Why there is only one Default Gateway?

I am novice in networking trying to figure how multiple network interfaces work. My doubt is when there are two or more NIC's on a machine, what is the meaning of default gateway present in the ...
2
votes
3answers
654 views

How do I know what screws go where when I'm reassembling a laptop?

I've used the Gateway M275 repair manual to disassemble my laptop for a repair job and (while I'm in there) some cleaning. I have never done this before, and while I think I remember what screws go ...
2
votes
2answers
222 views

Having problems getting past a user account password

I have a computer from a friend that I would like to mess around with but before I do anything with it, I need to get some files off of it for the friend. There is a user password on the account and I ...
2
votes
2answers
350 views

Find Serial Number of Gateway Without Case

Our Gateway PC crashed, and necessitated a re-install of Windows 7. We did not have an OEM version of Windows 7 lying around, so I grabbed an old (genuine) copy, and installed that. Evidently, the ...
2
votes
1answer
539 views

what's the purpose of an IP Gateway? [duplicate]

Possible Duplicate: What's the difference between “default gateway” and “preferred DNS server”? My hosting provider gives me an IP and an IP gateway address. I ...
2
votes
3answers
177 views

Is there a way to tell my modem/packets to go to a gateway other than that of my ISP?

My attempts to get onto www.radioshack.com come up with a 'Network Connectivity' error in the browser (both SeaMonkey, and Chrome). tracert got as far as my National Internet Backbone ...
2
votes
4answers
10k views

Gateway laptop battery, “Plugged in, not charging”. Why isn't it charging?

I've had a Gateway MS2274 model laptop for about a year and just recently when I plug in the charger it says, "Plugged in, Not charging." It doesn't make sense to me why it's not charging. - The ...
2
votes
2answers
7k views

Linux route add between static LAN and Wifi Gateway

I have two local machines connected to each other via wired ethernet and one of those machines is also connected to a wifi network which provides internet access. A pseudo-graphical representation ...
2
votes
2answers
417 views

How to send an SMS Message using Email or HTTP Protocols

I want to write a piece of PHP code that will send SMS to any number in the world. I read somewhere one can use email to do this as follows. user-number@carrier-domain.com ⇒ ...
2
votes
2answers
942 views

Iptables port mapping from two PCs to one

We have 3 PCs, two of it are connected to internet (both of it have 2 NIC) PC1: eth0 - 1.0.0.1 (external IP) eth1 - 172.16.0.1 (internal IP) PC2: eth0 - 1.0.0.2 (external IP) eth1 - 172.16.0.2 ...
2
votes
2answers
4k views

I don't want my DHCP to be a default gateway

I have a device which runs a DHCP server. When I connect it with USB to my computer, the PC gets an IP address and the device becomes the default gateway. I just want the device to agree on IP ...
2
votes
1answer
38 views

Constant drop in connection with two chained routers

I have a Cisco DPC3829 gateway and a TP-Link TL-WR841N router connected to the gateway in order to separate the router network and use the gateway as a guest network. This way, I can create a ...
2
votes
1answer
527 views

OSX Yosemite - How to add route having two default gateways

I'm on OSX Yosemite and I have two different active connections... - WIFI (en0) - Tethering USB (en7) SnakeBook:~ root# netstat -nr Routing tables Internet: Destination Gateway ...
2
votes
2answers
20k views

Drive letters swapped after system restore (C: → D:)

I’ve been having problems with my Gateway desktop recently. I decided to do a system restore (in safe-mode), and the next thing I knew, the drive letter had been changed from C: to D:. I can’t do ...
2
votes
1answer
441 views

Windows IP conflict after setting Static IP

I am having troubles setting my static IP address. I double check all of my default settings and tried to make my IP static. Here is what I entered I have tried various different IP addres ...
2
votes
4answers
253 views

How-to build a one-size-fits-all server?

Background on me, I am an "at home" admin for 5 college students. So I need low ping (online gaming), high connection load (torrents) and high throughput. Currently I have an older twin 1.4 GHz ...
2
votes
1answer
1k views

(Sort of) bridge superhub with netgear router WGR614V9

I've got a virgin super hub (sigh), and a netgear WGR614V9 plugged into eachother. They form two separate networks in the house. The WGR614V9 has a subnet mask of 255.255.255.0 and the superhub has a ...
2
votes
2answers
198 views

Cannot setup ssh gateway

I am trying to setup a ssh gateway. I have a physical host (H) and a number of VMs on it. The host can ssh to one of the VMs (A) and then ssh to others from it (lets call it B). I have this in ...
2
votes
3answers
336 views

Redirect unregistered users to the site on local machine

I have a server 192.168.0.3 (SERVER). Running Ubuntu Server + DHCP server + Apache; The router 192.168.0.1 (ROUTER) (I haven't access to it); I have a web-application on SERVER for registration users ...
2
votes
1answer
247 views

Have Ubuntu server prefetch and store mail for a Windows workstation?

I'd like to have my Ubuntu server (that also acts as a file and webserver) pre-fetch my mail from varying mail-accounts and have my Windows workstation fetch it from this Ubuntu server, in stead of ...
2
votes
2answers
2k views

Looking for a router-like web interface for my Debian gateway [closed]

Hey, I need a web interface program for my debian gateway which has the features of a router's one. Specifically, I must be able to easily Forward ports to various clients on the LAN or the router ...
2
votes
2answers
304 views

Windows 7 querying my gateway port 80

Recently I got a new laptop with Windows 7. I have a Linux Ubuntu gateway where I block pretty much everything except exactly what I want public like Apache and forwarding of the Windows 7 packets. ...
2
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5answers
5k views

Windows 7 Default Gateway problem

I have a strange problem (or at least seems strange to me) the below are IP configurations for two laptops on my home network which consists of a main router 192.168.11.1 and a connected wireless ...