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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Detect network clients connect and disconnect

I have a linux gateway/server, which sharing PPPoE internet connection between network users. Seeking for a proper way to detect when network clients are connected to and disconnected from the ...
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1answer
310 views

Debian based server picks wrong network as gateway

I'm configuring own server to act as router. It has three interfaces, two cable and wifi. Following this article to configure access point. After setting bridge i have problem with default gateway. ...
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6k 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 ...
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99 views

How does UPnP know which IGD to port forward on if there is more than one IGD?

Say I have two IGDs on the same subnet with UPnP enabled. The host is configured to use one as its default gateway. How do UPnP applications know which IGD to port forward on. I don't think they use ...
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1k views

debian gateway using iptables

I am having problems setting up a debian gateway server. My goal: Having eth1 the WAN interface. Having eth0 the LAN interface. Allow both ports 22 (SSH) and 80 (HTTP) accessed from the outside ...
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1answer
7k 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 ...
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1answer
4k 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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1answer
130 views

Don't resolve DNS wildcards for a domain on local network

I've set up a local Mageia Linux server as a gateway, with local DHCP dhcpd and DNS bind9 servers. The DNS server is also used for a domain name domain.tld, which has a wildcard A/AAAA record. But I ...
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1answer
188 views

How do I verify an SMS came from the number which is in the From field? [closed]

I am wondering if it's possible to determine if any SMS'es I get that are suspicious, can be checked if they really come from the sender without actually calling the number and asking the person ...
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46 views

Impacts of daily work with gateway-based parental control

I am considering to install a gateway-based parental control system at home. I specifically want to activate ratings-based web filtering. From the documentation of commercial solutions such as ...
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1answer
895 views

Ping retrieves an IP from DNS, but loses all packets

I'm working with a minimal installation of RHEL 6. When I first turned this machine on, it couldn't ping anybody. It turned out that I needed to add the GATEWAY under /etc/sysconfig/networking and ...
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862 views

1 Public Facing NIC and 1 Private Facing NIC - Different Subnets and Different Default Gateways

I have tried many approaches to my problem. I had gotten his to work using static routes. But, I wanted a RAID 0 setup so I wiped and installed a clean minimal Centos 6.4 system. Current: Centos ...
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618 views

ppp0 strange default router address

I'm using 3G-modem to provide an Internet connection to my Linux box. So, when I issue ifconfig command, I see the following: ppp0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST> mtu 1500 ...
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2answers
174 views

Using same gateway on all workstations, but two workstations have no outside access [closed]

I have 11 computers, all of which should be using the same gateway to reach out to the internet and also to resolve for primary DNS. 9 of the 11 machines have no issue, but two of the machines will ...
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226 views

Gateway Laptop boots to BIOS, but not OS

I have a Gateway MP8708. These are the following symptoms: able to boot to and enter BIOS can change BIOS settings and remembers them does not show any problems during BIOS boot can push F10 to ...
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1answer
132 views

default gateway to set on devices connected to routerless auto-ip LAN?

I have a TCP/IP device connected to the ethernet port on my windows 7 laptop. The laptop has a static IP address but is set to use auto-IP devices on the LAN The device can be set to use a static IP ...
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1answer
272 views

Cannot connect or ping Firewall/Gateway but internet is fine

I cannot ping my Gateway or connect to it via browser. My internet however works fine, how is this possible? Using Advanced IP Scanner i can also find the IP adress of my Gateway as active. I tried to ...
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1answer
2k views

Multiple default gateways warning

I'm a little out of my depth on this problem here. I'm getting the warning about multiple default gateways. I'm not understanding where the multiple gateways is coming from. I've gathered the ...
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2answers
127 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 ...
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1answer
2k views

How to configure Gateway as Proxy Server

In my office environment, my machine is configured with an IP address, Subnet Mask and a Default Gateway. The Default Gateway does not allow internet connectivity but is configured to provide us with ...
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1answer
125 views

Can iptables be used to convert a single-homed host into a NAT server?

I have an Internet-enabled machine, HostA, with one NIC. I have another machine, HostB, with one NIC that is not Internet-enabled. I would like HostB to be able to share HostA's Internet-connection. ...
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1answer
73 views

What does gateway mean in linux route table?

Does it mean the next hop of the route? Can the gateway be the next next hop, if there is an internal router in the private network?
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4k 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 ...
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53 views

Host Not reachble on a Network Interface

I have two network interfaces on my linux system. When I select eth0 as default gateway , everything works fine. I can connect to the system from other computers, but when I select eth1 as default ...
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1answer
73 views

Subnets and gateways

I have a doubt with subnets and their gateways. For example assume I have four subnets using a mask of 255.255.255.192: A) 192.168.1.0 B) 192.168.1.64 C) 192.168.1.128 D) 192.168.1.192 If the ...
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351 views

Why does my Gateway Laptop squeal when turned on?

My gateway NV78 laptop starts squealing as soon as it is turned on, not thru the speakers, and continues until Windows is booted up where upon it quits. It runs quiet until it is shutoff and rebooted ...
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335 views

Gateway P-6860fx Bios Options Greyed/Grayed Out

Gateway P-6860fx Bios Options Greyed/Grayed Out I had bios boot password protected. The other day I booted into a corrupted windows and it wanted to repair. I powered off with power button to ...
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8 views

High latency/ping to local gateway WHILE STREAMING [wireless] [duplicate]

Recently I've become fed up with my wireless internet and want to identify the problem. I don't have a patch cord yet to test a direct connection but so far every computer I've tested has reported ...
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2answers
479 views

High latency/ping to local gateway WHILE STREAMING [wireless]

Recently I've become fed up with my wireless internet and want to identify the problem. I don't have a patch cord yet to test a direct connection but so far every computer I've tested has reported ...
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0answers
407 views

iproute nexthop not working - defining multiple default gateways

I have several point to point connections and I’d like to use all of them as default gateways. I saw this link which explains how to do this using load balancing by calling ip route with a next hop ...
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1answer
113 views

Network communication slowdown after setting gateway on linux

We have two computers in local network, which need to communicate via TCP/IP. Communication is working regularly until we set up the gateway; TCP communication is much slower (takes 10-20 seconds for ...
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1answer
3k views

Driver for AMD M880G with ATI Mobility Radeon HD 4200

I have Gateway NV53 nootebook and I just reinstalled my windows 7 . Before the reinstal I had display adapter - AMD M880G with ATI Mobility Radeon HD 4200 like this - After I reinstalled the ...
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92 views

SSH through a tunnel or directly depending on the network I'm conncted to

Is it possible to "automatically" configure ssh to use a gateway to connect to a remote machine based on the client's IP address or something in the likes? Suppose I'm at my laptop, which I can plug ...
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422 views

Gateway NV59C (Windows 7) Connecting to a tv via HDMI

I have connected my laptop to my tv via HDMI cable, and I get a picture on my tv, however, my tv does not put audio out; instead the laptop plays the audio. How do I switch it, so my tv plays the ...
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1answer
1k views

Windows 8: cannot set default gateway anymore (with hyper-v setup) for vEthernet

I set up Hyper-V some time ago. Recently, on the host, the network has stopped working, even though on the guest it is still working (both using static network settings over LAN). After checking the ...
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1answer
283 views

How to get the gateway for a specific route on command line in Windows?

Is there a way to print out the gateway for a specific route (not interface) in Windows (in this case Win7)? I'd need to add a route dynamically in an OpenVPN _up script, but since the gateway is ...
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114 views

Unsuccessful startup of Gateway LT27

I turn on my Gateway LT27 and get the message "No bootable device - Please restart system". If I hit F2 to get into setup mode, it just hangs. Once in a while, when I reboot, I randomly press a ...
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1answer
187 views

Client Login before accessing the internet

I wanted to create an internet gateway server where the client connecting to my network must enter a username and password, where the server checks if username and password is correct before they can ...
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86 views

Gateway LT210 wrong ram size reported by BIOS after restart

Just upgraded a Gateway LT210 from 1GB to 2GB, BIOS 1.26 When it boots, 2GB are recognized by both Bios and Windows. This is consistent, I can do it any number of times. However, if I reboot ...
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3answers
762 views

How to make my Ubuntu an internet gateway for my Android phone

I want to use the internet of my school on my Android, the problem is they have a Squid proxy, and many applications on my phone don't use the proxy at all. The obvious solution is to install a ...
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282 views

Debian + Unknown host google.com using bridge network

I am trying to install Debian Linux based OS in my XP machine using VM Ware and I trying to setup bridge connection to access the network. But I am getting the error "Unknown host google.com". ...
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2answers
300 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, ...
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1answer
494 views

I have Internet acess without default gateway IP. Strange for me

Every time I want to connect to a new machine I am allowed to connect(wire) to the internet the next day. Once connected I can disconnect for hours and I get the internet again. The router is set to ...
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1answer
496 views

Can a subnet has more than one gateway?

I am new to networking while reading Network+ Guide Networks books, I came into Subnets but, nowhere they mentioned how many gateways a subnet can have. For example for 192.168.1.0/24 the gateway is ...
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2answers
811 views

Sipura / Linksys / Cisco SPA3102 problems with analogue phone

I have bought 2 of these SPA3102 - One direct from china(verified original) and one from Ebuyer UK but it is called SPA3102 -UK I find this guide and followed it I am only going to talk about the ...
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43 views

Make a server ( other than the router ) to be the default gateway for a subnet

I am trying to make a server ( lets call it server_A) which is different from the router to be the gateway for a subnet. Why do I want this ? I want to host a loadbalancer on server_A using LVS-NAT, ...
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268 views

Windows 7 - wireless but wired connection loses default gateway almost daily

I'm using Windows 7 Professional with SP1. I have a Virgin Super Hub (Netgear wireless router and modem combined). I have a wireless connection to a laptop which is fine. I have a wired connection ...
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347 views

IP tables gateway

I am trying to make an iptables gateway. I ordered 3 dedicated server from my hosting company all with dual nics. One server has been given all the ip addresses and is connected directly to the ...
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89 views

Port redirection to gateway on a Mac

How can I redirect certain ports to a specific gateway on Mac OS X Lion? In my case, exclude torrent traffic from being sent to a VPN tunnel. Meaning that traffic in and out to ports 49152-65534 ...
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239 views

Load-balancing: response packets not routed - iptables

I have a problem with iptables. I'm trying to setup a load balancer between 2 uplinks. I can mark packets and connections, use ip rule to choose routing table (so changing the gateway). But, when I ...