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Questions tagged [gateway]

A gateway is a network point that acts as an entry way to another network.

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Routing local LAN through ipsec to remote LAN

I have a local LAN network 192.168.1.0/24 and on the remote side a LAN network of 172.30.0.0/16, with OpenSWAN on both sides that can ping each other's LAN address, and the local gateway machine can ...
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How to change Gateway on VPN on Linux in terminal ? gatewat is this format “bs1-ovpn-tcp.pointtoserver.com”

Please can you tell me how i can change the gateway (see pictures) from terminal. Example: I have this Gateway:bs1-ovpn-tcp.pointtoserver.com and need to change with this one :in1-ovpn-tcp....
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how to keep local default gateway when connecting witn VPN

i used VPN to connect to my Windows server 2016 at our office. vpn pptp and Remina. everything works very well. but when i disconnect, the default gateway is changes and do not come back to local ...
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How to bridge two interfaces with netplan

I want to setup a gateway on an Ubuntu 18.04 machine with 2 eth ports - ETH1 - WAN connection, connected to my corporate network with DHCP ETH0 - LAN connection, connected to my laptop statically I ...
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Dell Gateway 5000 with Ubuntu Core 16 doesn't identify sim card inserted in the slot

I have Dell Gateway 5000 with Ubuntu Core 16 installed in it. I am inserting a sim card in the slot, but the Gateway doesn't identify it. The led indicating the mobile network is off. The sim card is ...
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32 views

Port forwarding between three PC's

Architecture: configuration: PC 1 eth0(a) - 172.xxx.xx.xxx PC 2 br0(b) - 172.xxx.xx.xx PC 2 br1(e) - 192.xxx.xx.xx PC 2 container eth0(c) - 172.xxx.xx.xx PC 2 container eth1(d) - 192.xxx.xx....
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27 views

Ubuntu 16.04 - Wi-fi , IP is on a network different than my gateway

I have a partitioned Lenovo pc. One partition with Ubuntu desktop 16.04, one with Windows 10. Windows has internet connection, Ubuntu does not. It is on a different network. I tried gathering some ...
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1answer
138 views

two machines direct link + connection through switch

This is crosspost from Super Users, since it might attract more people here. I have been trying for the last couple of days to get a setup like the one below working. I have a server Ubuntu 16.04 ...
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1answer
2k views

Networking problem on Ubuntu 18.04: no gateway

After a fresh installation of Ubuntu 18.04 LTS I have configured netplan to use a static IP address by following the instructions available online here: https://www.tecmint.com/ifconfig-vs-ip-command-...
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20 views

Wine make Default Gateway timeout

I'm a new user of ubuntu and I'm facing a weird behavior when using ubuntu 18.04. I'm playing an offline windows game on Wine v3.0.1. Meanwhile I'm also running Chromium v66.0.3359.181, on the ...
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1answer
121 views

Cannot properly configure a gateway on Ubuntu 16.04

I'm trying to make a gateway using Ubuntu 16.04, my server has the following nics: enp4s0 Link encap:Ethernet HWaddr 00:15:c5:f6:c0:36 inet addr:192.168.0.101 Bcast:192.168.0.255 Mask:...
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33 views

Redundant Internet/Gateway do not send requests

I have an Ubuntu Server 16.04 LTS running into a DELL R210 II server with 2 NICs. I want to set each NIC with a different network/gateway in order to provide redundant internet connection to the ...
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39 views

Default gateway in a VLAN does not come back up when physical interface is ifdown/ifup

I have a default gateway set under eth2.111. If I do ifdown eth2; ifup eth2 eth2.111 comes back up, but my default gateway doesn't come back up! netstat -rn shows the interface up but the gateway is ...
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56 views

Routing problem - Ubuntu 16.04 with two different networks

We have a Ubuntu virtual machine with 3 virtual NICs (for defining eth0, eth1 and eth2) added to it. Our DMZ has two networks. One is 10.8.225.0/24 and the other is 10.9.225.0/24. 10.8.225.0/24 is ...
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2k views

How do I stop netplan from binding a default gateway on every interface

I have a fresh install of ubuntu server 17.10, however the problem may affect previous versions, but this is the first time I have encountered this situation. The server is running 2 separate network ...
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2answers
1k views

Ubuntu server 16.04 to 2 gateway at same time

I cant find a working guide to make work the following scenario: Need to configure a server to be capable of working with 2 routers at same time. Its a virtual machine. Network 1 192.168.1.0/24 ...
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201 views

Ubuntu 16.04 Multiple Network Adapters, Same Network

I need to configure a gateway PC working with Ubuntu 16.04 so that multiple LAN adapters (eth0,eht1,wlan0) communicate within one same network addressing scheme. How can such a configuration be made ...
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1answer
264 views

Can't install gns3,Err 502 bad gateway

I have Ubuntu 17.04 and I'm trying to install gns3 by using these commands: sudo add-apt-repository ppa:gns3/ppa Output: PPA for GNS3 and Supporting Packages. Please see http://www.gns3.com for ...
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562 views

How do I setup multiple static IP's on multiple NIC's with one gateway?

I'm using Ubuntu 16.04.3 LTS. Currently I have this in /etc/network/interfaces auto lo iface lo inet loopback auto eno1 inet static address 198.167.16.164 netmask 255.255.240.0 gateway ...
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39 views

Why there is a 0.0.0.0 gateway for eth0 if I only add one in the interface config?

In my interface config file, I only add one route for the 192.168.2.0, but when the machine is running, there is a 0.0.0.0 gateway for 192.168.2.0. How to fix this only using interface config? $ ...
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1answer
60 views

Gateway Problem

I'm facing this strange problem. I've a branch location connected with 2 ISPs on MPLS (See attached Image). The location have mixed OS PCs (Windows & Ubuntu, major chunk is of Ubuntu) Whenever ...
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267 views

Unable to use Ubuntu 17.4 as internet gateway

I am trying to setup an Ubuntu Desktop 17.04 virtual machine to act as a router/gateway for other VMs I have on an isolated (non internet connected) network. I followed directions from the following ...
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1answer
523 views

Ubuntu server 16.04 static and private ip [closed]

I have tried a few different combinations in /etc/network/interfaces I'm wanting to add a public ip and a private to my server but it's not wanting to accept both iface eno1 inet static address ...
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1answer
2k views

Share my VPN connection with other LAN users

I have a PC with one physical LAN adapter connecting to a VPN server. Is there a way i can setup a (virtual) gateway interface on that same LAN adapter in a way so the other devices on my network can ...
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1answer
145 views

Ubuntu as Gateway - Client PC no internet

Ubuntu configurations Ifconfig ens33 Link encap:Ethernet HWaddr 00:0c:29:0e:15:94 inet addr:192.168.1.129 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::2d58:...
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Gateways of interfaces NOT active

I 've configured two static interfaces which are active. For each interface I have configured a gateway. However these gateways do not show up in the active configuration (Webmin) or cli-command route....
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1answer
567 views

Two gateways on same network

My machine runs Ubuntu Server 16.04 and it has two NICs, eth0 and eth1, as shown in the network diagram. Its role was initially to route traffic from the 192.168.50.0/24 subnet to the 192.168.1.0/24 ...
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1answer
3k views

Ubuntu 16.04 Server Fresh Install - Can't ping gateway & no wifi network at all [duplicate]

I just did a fresh install of Ubuntu 16.04 on a desktop computer. During the installer, the auto network script failed so I configured it manually (entered my own IP, entered in the subnet mast, ...
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2answers
7k views

Route all traffic of a machine through another within a subnet?

I have two computers, both running ubuntu 12.04 64 bit. I need to route traffic of one computer through the other. computer A: 192.168.1.3 (eth0) computer B: 192.168.1.7 (eth0), 192.168.1.5 (eth1), ...
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How can I use Ubuntu snappy? [closed]

I have got a Dell edge gateway 5000 with Linux Snappy 15.04 as OS. I have installed the gateway access point and I can connect the gateway from my smartphone. Now, I need to read the smartphone ...
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1answer
19 views

is there a server installable portal capture software?

I ask this as all i can find online is router installation packages. such as chillispot. I would rather install this directly onto my gateway server than on a router. i also tried using another ...
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1answer
237 views

How to isolate subnet behind Ubuntu gateway?

I have the following set up: --> router X provided by my ISP - no admin access to it (LAN IP 192.168.5.1) --> network N1 with devices and PCs (DHCP clients of X - IPs 192.168.5.x) -->...
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1answer
1k views

How does Ubuntu determine the default route when multiple interfaces are defined?

I have an Ubuntu server (headless, Network Manager is not installed). It has two interfaces, eth0 and eth1. I have the following defined in /etc/network/interfaces: auto lo iface lo inet loopback ...
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481 views

Multiple interfaces, all DHCP (ec2 instance) - how to force default gateway on eth0

I have searched and don't have a solid answer just yet. I have an ec2 instance with say 2 interfaces, eth0 and eth1. I want the default gw to always be forced on eth0 - which is a network which has ...
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1answer
428 views

Route problem with 2 default gateway!

Along with eth0 I have a ppp0. When there is no internet(by pinging 8.8.8.8) I have to turn on the ppp0 and it then results into 2 default gateways..So I have to delete default gateway of eth0 to get ...
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1answer
78 views

What is mango-gw in route's man?

What is the purpose of specifying mango-gw as a gateway? Here is short excerpt from manual. route add default gw mango-gw adds a default route (which will be used if no other route ...
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2answers
120 views

What is a computers default gateway?

After entering ip route the following information came up: default via 10.0.2.2 dev eth0 metric 100. Is this the default gateway? If not what is?
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151 views

why am i not able to arpspoof my windows machine

I run my linux using Vmware on my windows machnine.I am learning hacking recently , and specifically learning aprspoof.when i try to arpspoof metasploitable(intensional vulnerable os) it is successful....
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3answers
51 views

how to find the routers address in an open wifi network

For example if i connect to a wifi network and i want to know the address of router ie: the default gateway, how to do i find it in linux.Thank you.
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1answer
2k views

How to establish a default gateway in Ubuntu 14.04?

I am trying to get a server running on Ubuntu 14.04 to work with an attached router with a fixed LAN address of 192.168.1.1. The server manufacturer said I needed to setup a default route. I found a ...
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0answers
31 views

How can I monitor data usage only when connected to a specific gateway?

I have a laptop that I connect to different network. I have a limited data plan at home and I want to monitor data usage only at home network. I know vnstat monitors interface only and it is not ...
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502 views

Can't connect to my default gateway on Ubuntu 16.04

I need to access my router's web interface (default: 192.168.0.1, pinged and confirmed) to enable UPnP. But I can't connect to it. $ route Kernel IP routing table Destination Gateway ...
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1answer
51 views

3 NICs, one connected to GW, the other two to 1 host each. How to connect hosts?

i'm doing some tests for my class, i have a Ubuntu Server 16.04, totally stock. This server has 3 Ethernet NICs, one of them is connected to my gateway, 192.168.1.1, and the other two are connected ...
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1answer
438 views

Cannot manage to change default gateway

As it is the first time I am asking a question, I do not know what to post to get an helpful answer. Anyway, I cannot access internet through my network since this morning and tried everything but to ...
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1answer
589 views

Network Manager does not set IP4.GATEWAY for OpenVPN connection

I have a configured OpenVPN connection which works fine when connecting from command line openvpn --config myconfig.conf Now, I'd like to establish this OpenVPN connection automatically when ...
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1answer
57 views

How to monitor internet data usage for different gateways?

I have multiple gateways for using internet and I switch between them a lot. For example: gateway_1: 192.168.1.1 gateway_2: 192.168.1.100 Is there any utility available that can monitor internet ...
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0answers
4k views

Routing tables - Default gateway and traceroute discrepancy

I'm using 16.04 and having a discrepancy that appears to be slowing down the internet access for my machine. I'm on a PC and connecting to internet using a USB WIFI device instead of the ethernet ...
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1answer
384 views

Need help setting up Ubuntu 14.04 Router/firewall

This is my first post here. Out of desperation - despite reading lots and lots of step-through guides, tutorials and other threads with similar problems - I can't seem to get my Ubuntu 14.04 LTS ...
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93 views

1 host with 2 network cards in different subnets [closed]

Hoi, my first poste on Serverfault, greets to the world! I have an host with 2 Network Cards, eth0 (93.93.78.10, hostname: test1) and eth1 (10.78.2.10, hostname:test2). Eth0 and eth1 gets the IP ...
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1answer
983 views

Ubuntu 16 server edition 32bit: Can't ping internet, but can ping LAN

Ubuntu 16.04.1 LTS 32bit Server Edition Computer: Intel Pentium 4 /2.4Ghz 32bit WirelessNetwork Card: Realtek Chipset/ TPLINK wireless N PCI adapter I'm new to Linux and Ubuntu. I have been ...