Questions tagged [networking]
For questions on connecting devices together so that they can communicate with each other, as well as questions on networking equipment such as routers and switches.
34,466
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Allow two subnets to talk to each other over a wireless bridge
I have two subnets connected over a wireless bridge and I'm trying to figure out how to get them to talk to each other.
Subnet 1
Router: Netgear wireless
Router IP: 192.168.1.1
DHCP range: ...
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2
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3k
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How can I create separate/isolated regions on a home network?
I currently have a flat network at home. My boradband router comes in and is connected to a switch, which supplies the Ethernet drops within the house. I also have a wireless router connected to the ...
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2
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Block the secondary router in my network
I have a main router/modem and I want to share the Internet with some rented rooms in my house to cut down the Internet bill and make some profit from using the Internet. I am the owner and rent some ...
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Frequent Wireless issues
One of my colleague is having frequent WiFi issues thus, the LAN is working fine. This set-up was not done by me but it was there for a longer time. He has his main router given by ISP (DHCP enabled + ...
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Opensuse: Force Kmail to use wireless connection while rest of the programs use wired connection
I live in college dorm and I am using OpenSuse Leap 42.1 with KDE. I want to use KMail for accessing my college email server. I am usually connect via ethernet connection because it is almost 10 times ...
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903
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get the real true external IP even with VPN
I am running a server software on my PC. It has a VPN software running. The internet connection is wired to a router (sometimes wireless).
I have a PHP script that gets the external IP correctly ...
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1
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178
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Giving each domain unique IPV6 address for posfix SMTP
Today I faced a problem after setting up postfix as my mailserver and sending e-mail to a gmail email, which responded me with the following message:
Our system has detected
that this message ...
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3
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Where are network config files supposed to be saved for libvirt?
I'm having a heck of a time with libvirt. I deleted the default NAT network, and I'm trying to add a Bridge for VMs. According to libvirt's wiki and Network XML format | Using an existing host bridge, ...
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How to set up two internet conenctions, on LAN with NAS
I have two internet connections, one via ADSL which is fast but costs money, and one via LTE which is slow but free.
My setup is a few Time Capsules, a Mac Pro, a Mac Mini, several MacBooks, iPhones ...
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0
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218
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msys2 network performance woes
With a fresh install of msys2 32-bit (needed for git-annex) from https://msys2.github.io/ on Windows 7 SP1 64-bit, I'm seeing incredibly slow network transfer speeds on wget, ssh, rsync, etc. For ...
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One-armed home router with cheap smart managed switch and cable modem?
My question is if such a setup would work:
A cable modem, several LAN machines as well as the router/server (Linux box, with just 1 port) connect to a cheap smart managed switch such as the TP-Link ...
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2k
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Tracking Bandwidth & Latency in Linux [closed]
I'm trying to write a simple script that can detect dips in network traffic (both bandwidth and latency in both directions) between 2 arbitrary hosts in my network over time. Is there a tool to do ...
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1k
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How to convert /etc/interfaces settings into udev rules?
I'm trying to set up a bridged networking interface for kvm/libvirt. I'm having trouble doing so because the tutorials are written for non-udev systems using configuration files like /etc/interfaces. ...
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Why can't domain Users map network drives?
I have a domain controller set up with some shared folders. I have multiple users with different levels of access to the shared folders. I tried to use the GPO to map the network drives and it didn't ...
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906
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How to bind a WiFi to a computer in network with multiple access points with same SSID?
In our college premises we have configured multiple WiFi AP with same ssid and same authentication. At this point, the computer choose the best Access Point with good signal. The problem is, sometimes ...
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how to discover up hosts in a local network with nmap
I know that this question was asked a lot, but all the answers given are with the ping scan of nmap nmap -sP 192.168.1.1/24. The problem with this scan is that it doesn't detect hosts that doesn't ...
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307
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changing DNS setting doesn't seem to have any effect
I am currently on Windows 10, and trying to use dnscrypt to proxy my DNS lookup from port 53 to some other port so it will bypass transparent DNS.
however, when I change my windows DNS setting to 127....
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if-up script for virtualbox "host-only network" interface
I am using Virtualbox host-only network, and I have interface vboxnet0.
On host (Ubuntu 14), I have some route staff, several route tables (main and two extra), ip rules set, so on.
Every changes I ...
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1
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990
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Destination host unreachable when using ping<hostname> but no issue with ping <ipaddress>
I have 6 VMs with CentOS called n1, n2, n3, n4, n5, lnx-app1 with the below IP addresses:
n1.xyz.com = 10.10.100.101
n2.xyz.com = 10.10.100.102
n3.xyz.com = 10.10.100.103
n4.xyz.com = 10.10.100.104
...
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151
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Configuring switch as a patch panel
I have 24-port gigabit HP 2824 switch and 4 servers in a 42U rack that I want to put online. University's policy is that no switch should be attached "to the wall" (a good policy). I want to run 4 ...
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2
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765
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Share Linux Ethernet Connection to Windows laptop over WiFi
I'm trying to get my Windows 8 laptop to use my Linux's internet connection. I'm pretty far from my router (other side of the house) and since my Linux computer uses a lan cable, it doesn't experiance ...
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2k
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Using iptables to redirect all traffic to local webserver
Aloha,
I'm trying to redirect all traffic on my wifi router to a local webserver using iptables. I'm not sure i have got the command right and also I want to exclude the router IP (172.16.0.1) from ...
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4k
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Combine 3 WiFi routers into one network
I have 3 WiFi routers. I want them to all work together to make one network all throughout the house.
Router A: Actiontec PK5000 (DSL modem/router combo)
Router B & C: TP-Link TL-WR841N
...
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116
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Batch file to detect when a device connects to hosted wireless hotspot on a laptop
I have created a wireless hotspot on my laptop using:
netsh wlan start hostednetwork
This works perfectly.
I have a raspberry pi that automatically connects to this network automatically, however ...
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1
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1k
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Internet Sharing on a University Network - Will it screw things up?
I am currently running PureVPN on my University's network as I live in halls. This is running on my Mac. I wish to use the VPN on my PS4, and I have found a guide on how to do this which involved ...
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545
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Multiple IP Settings to Emulate Multiple Devices
Here is the Setup
An Ethernet IPv4/UDP network based control system, with 20 different devices attached.
A test facility for testing 2 of these devices.
Simulator Software to simulate any of the ...
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182
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Can an operating system access a network drive that is formatted with an unsupported file system?
I've recently installed Windows Server 2012 and am planning to format my 2tb hard drive with the REFS file format. Afterwards, I would like to set it up as a network drive.
I understand that there are ...
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1
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1k
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Is there a way to prioritize bandwidth without QoS?
i've got 2 pc's, and i use PC1 for gaming and 2nd PC is using my brother, so whenever he goes on the internet my ping in game raises and game becomes literaly unplayable. (happens with every game) So ...
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2
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1k
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How to bypass simple ISP block?
Background: My ISP (under the influence of our precious government) recently started blocking public web-sites for no particular reason.
Problem: My guess is that ISP is using DPI to rule out which ...
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How can I allow traffic to certain web address but restrict all other in linux
I want my linux (ubuntu 14.04 , 64 bit) system device which has a 3g card in it to have restricted access of internet . I want to build a scenario where if the card is active, the system should be ...
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2k
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How to use netsh with Unicode network adapter names
I run my Windows 7 laptop in Spanish as it helps me learn that language. Recently I wanted to set up a DOS batch file to disable a number of network adapters - however in Spanish, the network adapter ...
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2
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3k
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How can a WiFi router recognize MAC address change of a connected device?
My teen son and I are playing a hacking game. I've installed an WiFi router with parental controls, MAC filtering, VPN, etc. I block Internet for him, he tries to break out of the cage (for now I'm ...
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1
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3k
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Can ping external IP but not internal
I have a home network and access a desktop computer from my laptop (both Win 10) using Remote Desktop. This is using an internal IP 192.168.0.XXX. Most of the time it works fine but a few times a day ...
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Multiple routers - intermitantly can access internet, but not other networked devices
Help - I have what is probably a very simple problem, but its stumped me, and is really winding up the family! Any solutions, or things I could check are much appreciated.
My setup
I have basic home ...
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1
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Alternatives to SSH to connect and send commands to a server
What alternatives exist to send remote commands to a server?
Note the connection must be secure such that the server cannot be controlled by any person apart from those provided access.
Thanks for ...
31
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4
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Multiple SSH connections to the same system - is it possible?
I have a linux computer acting as a server which can accept incoming SSH connections.
Is it possible to reliably connect multiple devices at the same time, such as my phone and laptop, as well as ...
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2 routers, 2 networks, 2 network connections, 1 computer
I live in a house with 2 dsl connections each with their own router, hence two networks. I would like to access the LAN on the second network using a wifi dongle and continue using the internet on my ...
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traceroute showing unfamiliar result in local network
When I use the the tracert command in Windows cmd, for example with google.com, it shows a familiar IP address. But when I use it with the name of a computer on the same network it shows me a long ...
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firewalld and localhost address translation
I have a server with red hat 7.1 which has two ip addresses, a public one available on internet on interface bond1 and a private one on the corporate lan on interface bond0.
I have apache 2.4 ...
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Website gets redirected to 127.0.0.1 occasionally
I am trying to access AirAsia's Web Check-in Page. Occasionally I can access it. However, most of the time I get redirected to 127.0.0.1. Could this be an ISP issue?
Details:
My hosts file is clean.
...
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1
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744
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Prevent IP address conflicts on a heterogeneous network consisting of PCs and embedded systems in a retail environment
In our LAN environment (wired and wireless), IP Address conflict almost always gets our systems down.
We have a lot of equipment connected to the network: PC's, Access Points, RF, weighing scales, ...
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1
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60
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Spoofing routing location from Canada too USA
My ISP located in Texas now routes me through a router located in Canada.
I live in Arizona, USA & can't do business with some websites that block traffic from Canada.
Some responses I've ...
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When using Agentless Exception Monitoring, do all clients/hosts have to be on the same domain?
I recently set up Agentless Exception Monitoring (AEM) in System Center Operations Manager 2012 R2 (SCOM). It works well when the client is joined to the same domain as the management server -- but I'...
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Port forwarding From PC to Mikrotik To UBNT
I'm having a Point To Point Device for reaching to internet. this device has valid IP address, ,and then it somehow connect to a Mikrotik router, and after that passing switches, will attach to ...
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195
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Not connecting to internet under Ubuntu and LAN
On a newly installed Ubuntu 14.04 Machine which is connected to the LAN, I cannot connect to the internet and keep receiving the command: "Disconnected. You are now offline". This is a while on the ...
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Bad connection to Google websites when using Teredo
I need IPv6 connectivity on my computer at work but the ISP does not provide it, so I use Teredo (with Miredo) in order to get an IPv6 address.
It works correctly on most websites but on Google ...
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1
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486
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How to allocate WIFI Bandwith?
I am having a little problem with a wireless network. I have users connected to a wireless router, and two others are connected to a repeater.
(Just to call some details the Router is an Archer C7 ...
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1
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62
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Wifi not detected with tripolar adapter
I recently moved to a new apartment. There are both a RJ-11 socket and a tripolar socket. If I connect my modem to the RJ-11 socket, there are no problems: I can access Internet both with the LAN wire ...
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Why can I ping machines using the .local suffix, but not without?
My local network uses a .lan suffix. I would rather not use any suffix at all, but apparently pfSense doesn't permit this.
I am running Windows, MacOS and Linux systems on this lan. Most of my ...
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1
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Access ssh server behind two routers
I have setup a private network(Router2) within a network(class C) for TESTING purposes.
Diagram:
WAN-->Router1( Gateway 192.168.0.254)-->Lan-->Router2(Sonicwall)-->Lan(10.0.20.1)
I have ...