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.
34,567
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Windows 7: route to connect to VPN via Linux
I have a corporate Windows 7 machine that is supposed to connect to a VPN but for some reason the Cisco software won't connect and none of the gurus at the corporation have been able to figure this ...
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635
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TP-Link low download speeds, normal upload speeds via WiFi
I bought a TP-link Archer C50 router (300Mbps 2.4GHz + 866Mbps 5GHz). When I connect my laptop directly to the router via cable, the download speed on Speedtest is as it should be (85Mbps). However ...
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Calculating network usage from a server
I am trying to calculate the % network utilization for a server on my network for any snmp traffic, (in or out). I have followed the below steps, can someone point out if I have gone wrong in the ...
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42
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How to determine the process that controls/blocks a particular port?
I've hosted a simple Webserver on my Banana Pi. I can access him throgh LAN, but I cannot access him from outside the network. I've forwarded it with my router. I made a NMAP scan, and the result was ...
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Use the LAN connection of another computer in the network
I got two computers in a network, both connected through wired connections. The first one can access the internet without any restrictions. The second one can only access computers in the local ...
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2
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MySQL Network connections are slow
I have setup 3 machines connected to a router (over WI-FI).
I have MySQL server installed on a Core I7 Machine with good amount of memory. and am Querying from other machines to pull data from the ...
- 121
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37
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Redirect/Resend IP packets after WakeOnLan
my old pc is playing home server now and uses a lot of energy. Therefore i'd like to suspend it, when it's not needed and wake it up when someone tries to access it.
My plan is to notify a Raspberry ...
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439
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Linphone on Windows Server 2012, with multiple users
Im going to explain everything first. We have Windows server 2012, where our users are connecting to (lets say around 60-70 per server). After Linphohe installation and first start of the application (...
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4k
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Explorer hangs when renaming a folder
One PC (Windows 10 Pro version 1607.14393.321) is having a problem whereby renaming a folder that is located on a specific server (Windows Server 2012 R2 Essentials version 6.3.9600) causes Explorer ...
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How can I perform a ping every x minutes and time stamp in the log?
I found an answer for creating a batch file for continuous pinging:
How can I perform a ping every X minutes and check the response time?
But, I need to include a time and date stamp in the output ...
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169
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WLAN media streaming mode for Linux to stop ping spikes?
After hours of trying to fix my router ping spike problem I found a thread on Tom's Hardware. Last answers directed me to this Windows program called WLAN Optimizer:
http://www.martin-majowski.de/...
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How to send a magic packet from linux to Windows
I'm trying to wake my PC using WOL (Wake on LAN) from my pi. I enabled Wake on LAN in the device manager for my ethernet adapter and enabled it in my bios. When the computer is switched off, the ...
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42
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Multiple APs in one room
Test office : 10m² ~ 33m² (Station device will need to detect a AP signal from adjacenct office
Quantity of APs : 60-80
Distance between APs: 10cm ~ 2m ~ 10m
Antenna use: Direction, Omni ...
- 143
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112
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Remote VNC - can't browse the web on the remote machine
I'm connecting to my remote machine via RealVNC. I'm using Win10 on both pcs. I port-forwarded the right port on my home router (5800) and connecting works great.
The problem is: I can't connect to ...
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Can I block certain MAC addresses from a cyberoam firewalls DHCP server?
Is there a way to "tell" cyberoams DHCP server not to serve specific MAC addresses? for instance if it sees a DHCP request from aa:bb:cc:dd:ee:ff it should not reply to that request but it should ...
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How to get mac address given a host ip in windows
When I run ipconfig I get an ethernet (10.27.1.13) and wireless (10.27.1.16) host ip addresses.
When I run arp -a 10.27.1.13 or arp -a 10.27.1.16 I get 'No Arp entries found'.
When I run arp -a I ...
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Streaming music between 2 computers via Bluetooth [duplicate]
In my warehouse, we use multiple computers with multiple sets of speakers. It gets noisy between multiple sets of speakers playing different music. Now, i have the computers linked with Bluetooth and ...
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2k
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internet share in 2nd ethernet port of ubuntu server 16.04
I have a server pc which is running on ubuntu server 16.04
this server has two ethernet port - eno1 and eno2. I'm using my eno1 port to access internet using following code in interfaces file located ...
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1
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300
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Can a Cisco switch be a DHCP client and server at the same time?
I have currently the following situation:
ISP-Router --> Own NetGear Router (in DMZ of ISP-router) --> 28p Cisco Switch --> devices and AP
The ISP-Router only hands out 4 IP-addresses. I have more ...
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386
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How can I split my Ethernet line into multiple?
I'm trying to figure out what it is that I need and what best suits my needs. It's between a router and a switch.
So in the room that I need this in I currently only have 1 Ethernet port on the wall ...
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I have 2 wifi cards. Can I specify which interface to use when I run a script at the terminal?
I have 2 wifi cards both connected to different routers in my residence. Is it possible to use a specific interface to run a script or program?
For example, if I run curl icanhazip.com can I specify ...
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97
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10 seconds of delay to access to a local MySQL Docker
I got a VirtualBox VM from a coworker that he set up with vagrant (though I only launch the VM via VirtualBox and log as vagrant with vagrant as a password).
In this VM, he set up a dev' ...
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4k
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Openning a port with ZTE Router
Can you tell me if i am doing something wrong trying to opening a port? This is driving me crazy. I have a desktop computer (192.168.1.64 internal ip adress) connected to internet via modem/router (...
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How to enable LAN access to OpenVPN clients
I have a server with 2 real NIC and 1 virtual NIC (tun0) created by OpenVPN.
eth0 is LAN - IP 192.168.2.1
eth1 is Internet - IP is public internet IP
tun0 is created by openvpn
What I need is that ...
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530
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Windows 10 VPN (Server) refusing traffic due to firewall
I've recently set up a VPN to one of my windows 10 machines so I could do stuff with it over the internets. Now, I used the built-in windows VPN options for this (Incoming Connection + Win 10 VPN ...
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29
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Measuring transport time between two nodes
my goal is to measure the transport time between two network nodes, using different routers (and set ups), different network adapters (and set up) and different data-volumes.
My hardware set-up are ...
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350
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Bind to external port-forwarded adress
I have a computer let's call it 192.168.1.2 behind a NAT (192.168.1.1). The NAT port forwards the port 4444 to my computer's port 4444. The external IP is 123.123.123.123.
The computer can bind and ...
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Why do mobile hotspots when connected to laptop showing a default gateway even though the data is switched off?
I have switched off my mobile data and switched on portable mobile hotspot and connected it to my computer and here is the ip configurations as shown in the image
My question is how this network is ...
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What could cause my Internet connection to drop on all of my devices when I plug my desktop into my router?
My Internet connection will be working perfectly fine until I plug in my desktop running Windows 10. As soon as I plug in this PC, all devices lose Internet connection. They stay connected to the ...
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2k
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How to setup VPN over reverse ssh tunnel using OpenWrt router?
I have TP-Link MR3020 with OpenWrt 15.05.1 with all goodware installed and I've been running reverse SSH tunnel (OpenSSH on both sides) to Amazon EC2 Ubuntu 14.04 instance and pptpd server on router. ...
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Extending wifi and Internet
Hi just wondering if anyone can help. I own a house and we have a barn conversion outside and need to get internet into the barn but the power line split when comes into the property so they don't run ...
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Internet connectivity between 2 computers
I have two computers
Comp A: 192.168.151.19
Comp B: 192.1681.151.15 (Static IP address with gateway as <comp A IP address)
The setup is like this
Internet <----> Computer A <--------&...
user647332
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75
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ISP error in routing to a specific IP subnet. What can I do?
I have a brand new VPS on IP 155.xxx.xxx.xxx. I started to configure it and all of a sudden, the SSH connection shut off and I could no longer reconnect to it from my office PC. Tried later on to ...
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How to assign Instance-Level Public IP(ILPIP) to Azure VM in ARM(Resouce Manager)
We have WSO2CEP running on Azure VM which is a complex event engine and will send out the notification by its pulisher by using simple HTTP POST. However, it will work well on AWS EC2 but not Azure VM....
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Intermittent but frequent problems attempting to connect to a Windows share from El Capitan (Mac OS X)
I have a Windows Server 2012 R2 Essentials machine with a share. The share is configured to allow anybody to connect without authentication.
From a Terminal session in El Capitan repeated attempts ...
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How an attacker could make sure I dont enter in certain website while using ubuntu?
How an attacker could make sure I dont enter in certain website while using ubuntu?
My Windows 10 machine has been infected by malware that possibly opened a backdoor. I have make a clone of the ...
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1
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926
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How to reconnect OpenVPN after sudden disconnected to specific IP port
I have OpenVPN connected to specific application (A) with local port (127.0.0.1:2727). This (A) connected to my main network.
But every time the VPN disconnected, it can't be connected again to (A) ...
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42
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Possibility of connecting two PCs through a virtual switch
I want to connect two of my PCs through a third PC running OVS.
Here's a diagram of how it would look:
PC2 would be running OVS under Ubuntu and I would install two NICs (HP Intel Pro 1000 CT GbE ...
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1
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432
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Network problems with Hyper-V on Surface Pro 2 running Windows 10 Pro
I have set up Hyper-V to test software and duplicate some work environments without compromising my own personal Surface Tab. I am getting confused with communicating between the Host and the VM ...
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Create a local only network between Mac OS X computer and other PC's
I want to create a local network between my Mac OS X computer and some other computers I have. I want to connect these via an ethernet connection, routed via a switch.
Unfortunately as I am on a ...
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How to find the default MAC address on Windows 7
I am connected to three network adapters:
LAN cable
Wi-Fi
By modem
The command:
ipconfig /all
indicates that each adapter has a MAC address and is assigned an IP address.
If I ping google.com ...
D120
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1
answer
8k
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Create multi-hop SSH tunnel with different user on end machine
I have tried creating a multi-hop SSH tunnel using a command like this:
ssh -L 2222:username@host2:22 host1 -N
However, when I try to use the SSH tunnel like this
ssh -p 2222 localhost
I get this ...
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Windows 10 Bridged Network only uses 1 connection
I have an ethernet connection on my desktop PC and a WiFi connection on my phone. I'm using USB tethering to get my phone's wireless network to appear on my PC as an ethernet connection.
My PC ...
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How to Setup TP-Link WR841N for external captive portal
How to configure external captive portal using external radius server.
I can find the option to add radius server but not able to locate the option to add the redirect Login URL(URL which is ...
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What is an effective way to set up a WiFi network to another floor in one building?
I dont know a lot about networking and i dont know if my idea is suitable for this situation.
The company i am working has 2 floors in one building.
Floor 2 and Floor 6.
All the computers are on ...
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Port forwarding ASUS RT-N66U
This issue is driving me crazy. I used to port forward in less than a minute. Now i can not open any port. Every port i open and listen to i get the result Reason: Connection timed out. In canyouseeme....
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NextCloud and Guacamole behind the same reverse proxy
I have 3 servers running on 3 separate VMs. One handles domain requests and reverse proxies the other two and adds SSL encryption. The first service runs NextCloud (PHP-FPM 7, Nginx, MariaDB) the ...
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2
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8k
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Gigabit connection and router, but I only get 100 Mbps on my PC
I got a gigabit connection from my ISP (with PPPoE connection). Tested with the cable directly in the PC, works great, I get 1000 Mbps.
I bought an ASUS AC55U router, which claims to have gigabit ...
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613
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Virtualbox fails when I'm connected to an OpenVPN server
Some days ago, VirtualBox started to fail when I'm connected to a VPN. If my computer isn't connected to the VPN, everything works fine. I can start VMs, stop them, and so on. But if my computer is ...
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Redirecting HTTP traffic from a subdomain through an SSH tunnel
I have a machine behind a firewall that I would like to be accessible from the web.
I have a VPS at example.com, and I would like traffic sent to device.example.com to reach my device behind the ...
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