Questions tagged [gateway]

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 =====...
Junfeng's user avatar
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25 votes
1 answer
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How do I still have Internet connectivity after removing the default gateway IP address from macOS network configuration?

I am trying to learn/experiment with some networking basics. I am on macOS with DHCP configured. I purposely removed the default gateway IP address (192.168.0.1) by going to the networking settings. I ...
java_doctor_101's user avatar
20 votes
4 answers
64k 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 ...
Luke Schlather's user avatar
15 votes
3 answers
38k 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 ...
btw0's user avatar
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14 votes
7 answers
101k views

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. ...
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12 votes
2 answers
9k views

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 ...
Lenik's user avatar
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11 votes
5 answers
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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".
Kev's user avatar
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11 votes
1 answer
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Understanding Windows Routing Tables and Default Gateways

Note:This is my home computer lab and not a business/production environment. I'm more than happy to break it and fix it again, so any suggestions are welcome! SUMMARY I've added this quick summary ...
Gund's user avatar
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10 votes
5 answers
61k views

What is 1.1.1.1? Why does it work for traceoute but not ping?

Today while trying out with networks I took traceroute of 1.1.1.1 and found my gateway address. Whereas I pinged 1.1.1.1 it results with packet loss. I googled about 1.1.1.1 and can't find any ...
BlueBerry - Vignesh4303's user avatar
8 votes
3 answers
11k views

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 [email protected] and the authorized keys file on the gateway looks like this #/...
zidarsk8's user avatar
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8 votes
2 answers
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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.
Mohsenme's user avatar
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7 votes
4 answers
27k views

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? ...
user3749029's user avatar
7 votes
3 answers
5k views

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 ...
lurscher's user avatar
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7 votes
5 answers
64k views

How to find a WiFi repeater's IP to configure it?

I want to configure my WiFi repeater's settings. I'm connected through WiFi, as my laptop's Ethernet port broke. I searched for the repeater's manual, it says that I should be able to connect using ...
oScarDiAnno's user avatar
6 votes
1 answer
20k 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 ...
user1190's user avatar
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5 votes
2 answers
14k views

Complete masquerading NAT example using nftables on Linux?

I'm looking for a complete example how to do this using nftables. It should be a DHCP client on the upstream interface, have a 192.168.0.0/24 LAN on the other interface, and also act as a firewall. ...
Johannes Ernst's user avatar
5 votes
4 answers
912 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 ...
netvope's user avatar
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5 votes
1 answer
5k views

WireGuard VM or Container to act as gateway

I have a home server running Proxmox with 9 VM's and CT's. I would love to be able to route specific VM/CT traffic through a VPN gateway. I know that this can be done with OpenVPN, but it's quite ...
Powerful Cat's user avatar
5 votes
1 answer
20k views

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 ...
MasD's user avatar
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5 votes
1 answer
595 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 ...
ehftwelve's user avatar
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4 votes
3 answers
2k views

Subnet or Not with 20 mask?

In a client warehouse,I'm installing a Pick to Light system but I'm having connection issues between the server and the P2L controller. sometimes they communicate, sometimes they are not. Their IT use ...
odifis's user avatar
  • 43
4 votes
2 answers
15k views

Strange default router address for interface 'ppp0'

I'm using a 3G-modem to provide an Internet connection to my Linux box. So, when I issue the ifconfig command, I see the following: ppp0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST> ...
maniaque's user avatar
  • 143
4 votes
2 answers
23k views

Can a subnet have more than one gateway?

I am new to networking. While reading Network+ Guide Networks books, I came to Subnets but the book does not mention how many gateways a subnet can have. For example for 192.168.1.0/24 the gateway is ...
Adelin's user avatar
  • 167
4 votes
1 answer
3k views

Connect device to internet using a Linux Computer

I have the next architecture: [Device Eth0]--LAN---[Eth 0 Linux Computer Wth0]--Wifi--[Router Wifi] Device Eth0 :IP:10.0.0.15, MK:255.255.255.0,GW:10.0.0.2 Linux Computer Eth0: IP:10.0.0.2, MK:255....
ramon74's user avatar
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4 votes
1 answer
2k views

socat UDP IPv6 to IPv4 gateway results in lots of processes

I have an IPv4-only UDP application listening on port 624. I created an IPv6/IPv4 front-end with socat, listening on port 625. I can now use the server's IPv4 or IPv6 address to access the IPv4-only ...
Matt Muggeridge's user avatar
4 votes
1 answer
477 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 ...
Toby MacDonnell's user avatar
4 votes
1 answer
7k 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?
pamchi's user avatar
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4 votes
1 answer
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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 ...
gravidThoughts's user avatar
4 votes
1 answer
6k 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 ...
Brett Ryan's user avatar
3 votes
3 answers
8k 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 /etc/...
Sirish Kumar Bethala's user avatar
3 votes
2 answers
1k views

How to use local filemanager to do a ssh -J (jump, gateway)

This is what I am trying to do. I want to connect to a server C, using a local file manager (nautilus, nemo, pcmanfm). I used to do this just writing sftp://username@ServerC in the location bar, or ...
Andres Navarro Alsina's user avatar
3 votes
1 answer
2k views

Why is tracert not showing my public ip address?

Tracert does not show the IP of my WAN interface, not the gateway also. My public IP starts with 37 and it does not appear in tracert. tracert www.google.com 1 3 ms 3 ms 2 ms vodafone....
sssss's user avatar
  • 31
3 votes
4 answers
73k 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 ...
Brice's user avatar
  • 31
3 votes
2 answers
2k views

If localhost is called 'localhost', why is the gateway not called 'gateway'? [closed]

If you run server services in your computer, it is very easy to configure the same computer to use it: just point the client to localhost. Now the gateway often runs your DHCP, DNS, proxy, firewall, ...
William C's user avatar
  • 2,479
3 votes
1 answer
49 views

Routing all ethernet connection requests to a single page

For an art exhibition, i am trying to configure a raspberry pi to work as a gateway to the internet. Connected to the pi is a 4G dongle and a wifi router. I have used IP Tables to forward all ethernet ...
Milan van Dijck's user avatar
3 votes
1 answer
5k 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 ...
Diego's user avatar
  • 51
3 votes
1 answer
27k 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 ...
IT researcher's user avatar
3 votes
1 answer
3k 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 ...
user avatar
3 votes
2 answers
4k 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 ...
anon5456919's user avatar
3 votes
1 answer
2k views

Route between two private networks

I have a two private networks (home: 192.168.1.0/24 and virtual: 10.10.0.0/24) which I like to connect and have them to be reachable in both ways. Network home is managed by my home router which is ...
Michael-O's user avatar
3 votes
1 answer
83 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 ...
user557323's user avatar
3 votes
1 answer
11k views

virtualbox: How is the Gateway IP of a guest OS determined when configured as NAT

In a host system, a gateway generally refers to the IP address of either a router or a network segment. Generally, the output of route PRINT or route -n corroborates to the actual IP of my gateway. D:...
Abhijit's user avatar
  • 225
3 votes
1 answer
3k views

Two DHCP interfaces asigned to two default gateways to OS

I have a Ubuntu box that has two networking interfaces (eth0 and wlan0). They are both configured for DHCP in /etc/network/interfaces, but they both assign a default gateway: /etc/network/interfaces ...
user140600's user avatar
3 votes
0 answers
545 views

MacBook / OSX can't access router/gateway web admin page - but other devices in same network can

Problem I’m trying to access my router web admin page, http://192.168.0.1/, from my MacBook. I can easily access the web admin page from other devices, like my Windows machine and my iPhone. But not ...
user4029736's user avatar
3 votes
0 answers
6k views

set up Windows 10 PC as internet gateway for a Linux PC on local LAN to access internet

I have a Windows 10 PC with two NICs that I want to use as a gateway between a small LAN which is using 192.168.0.x IPv4 addressing and the internet. What I have set up is the Windows 10 PC with two ...
Richard Chambers's user avatar
3 votes
2 answers
739 views

linux routing - how to switch PCs between multiple gateways

I have a linux router with multiple gateways (cable modem, ppp, vpn, etc). What's the best way to forward all internet traffic for individual users through different gateways? Here's an example: ...
internet-og's user avatar
3 votes
1 answer
916 views

Failed to connect to Internet when using an OpenWRT VM as gateway

I have set up an OpenWRT x86-64 virtual machine with VirtualBox. The VM has two network interface, one for LAN and the other for WAN, all bridged to Wi-Fi interface of the host (Macbook). I want the ...
abcdabcd987's user avatar
3 votes
0 answers
8k views

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 ...
Craig Johnstone's user avatar
3 votes
1 answer
473 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 ...
AjP's user avatar
  • 31
3 votes
0 answers
5k 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 ...
marcusw's user avatar
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