Questions tagged [lan]

LAN, short for Local Area Network, is a network that connects multiple devices in a limited geographical area, such as a room, an apartment or a building. Currently, most LANs are based on Wi-Fi, linked together with means of a central wireless router or Ethernet transmission, where computers are linked via cable.

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How does one test the LAN speed without a server?

When I need to test the intranet speed I typically use iperf3 at both ends (server and client) to check the flow rate between them. However recently when I tried some apps in the Play Store I noticed ...
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Can a LAN adapter cause a whole home network to crash?

I was searching for a LAN adapter on Amazon. One of the reviews stated that this LAN adapter caused a crash of their home network. The router would restart a lot and the laptop wouldn't have an ...
User123456789's user avatar
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Connect two networks with different subnets

The ISP cable is connected to a Netgear router (main router, DHCP enabled). From this router goes out two cables, one for a server with static IP 192.168.1.3 (Windows Server 2012, with 2 NICs) and ...
Jose Blanco's user avatar
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Small LAN network with internet access at both ends

I run a small network with one ISP at the office, and a Ubiquiti wireless connection to an isolated mountaintop. Now, we are suddenly going to get access to a second ISP at the distant location. My ...
Hans Laetz's user avatar
4 votes
1 answer
5k views

Only allow access to specific IP address on LAN with VPN

I have a Raspberry PI running PiVPN and would like to restrict the LAN IP addresses that can be accessed through the VPN, so that only one service is available. I have searched, but all I have found ...
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1Gbit connection becomes 100mbit connection after adding router

Recently I got myself a TP-Link Archer C80 router because the default one from ISP didn't really work well for wireless. I am including my network topology diagram. Everything before the change was ...
m1cker's user avatar
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Self-made UTP cable not working

I'm trying to create my own UTP cables. It's fun and cheaper than buying single cables instead. Now I struggling to make my cables work. The cables will be used to connect a PC to simple a unmanaged ...
Beach Chicken's user avatar
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2 answers
2k views

LAN connection not working in network with two routers (WiFi works)

I have added a new Wireless router to my home network, because I was not satisfied with the coverage of the old one, but I still have to keep the old one, because it serves also as a modem. On the ...
Martin819's user avatar
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Is it possible to make that wifi-clients and lan-clients see each other on HG8546M router?

Now lan-clients ping other lan-clients and wifi-clients ping other wifi-clients. If there's no exact answer, please guide me how to approach the problem.
Fake Fish's user avatar
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Kali Linux not connecting to network via lan

I tried all solutions available on the internet but none work. I changed(added) interfaces to: auto eth0 iface eth0 inst dhcp I changed NetworkManager.conf to [ifupdown] managed=true I restarted the ...
Jaysmito Mukherjee's user avatar
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Fixing high latency on a single device on a wired LAN

I have a device on a wired LAN that has really, really high latency on a ping. 599ms and higher. I cycled power to the device and the latency dropped back to <1ms. That lasted for about three days ...
Ziggy32's user avatar
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how make this two 'separated' lans/networks see each other/works as one?

I need that devices from network 1 see/interact with devices on network 2, but i don't know how to do it. 1 - the modem of the contracted company is currently in bridge mode, because i don't have ...
Marcer ponts's user avatar
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1 answer
54 views

Establish SSH conection from one Lan-interface to an other Lan-interface via Port-Forwarding

Situation: local PC is in the Network A and my Pi is in the network B. Network A and B are connected to two different interfaces of Router B (eth1, eth0). PC (1.1.1.10)----- switch-----Router A (no ...
Karotte's user avatar
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0 answers
41 views

Connect two devices with ssh on local network

I would like to connect 2 device (my company laptop, and a raspberry pi 3), I would like to develop on my laptop and test on raspberry using vs code and ssh. It's possible to connect the raspberry to ...
rebellion's user avatar
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1 answer
9k views

windows msg error 1722 when sending message

Lately I learnt to send a message through LAN with the command msg by using: msg /server:EAAULA114-07 * message. But I can't send messages to some PCs because it outputs: Error 1772 getting session ...
Pythonbro10's user avatar
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1 answer
638 views

How IP scanners get address of inactive computers?

I don't understand how IP scanners find out that a computer is on the network even when it is turned off, and they will also find out its MAC address. Because when I ping IP address of computer via ...
Sahasrar's user avatar
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Hyper-V Ubuntu 20.04.: Very low LAN cable connection

I have installed Ubunti 20.04.1 LTS on Hyper-V. RAM: 2048 MB 4 virtual processors My PC is connected via LAN cable and has 30 Mbit/s download. For my virtual Ubuntu I use the default switch. But ...
user1264673's user avatar
1 vote
1 answer
916 views

Advanced IP Scanner - inactive hosts

I use Advanced IP Scanner. When I scan my network at my office, then I see only 3 active hosts (my computer, my router, and my coworker computer). I also see 10 inactive hosts. I thought that inactive ...
Michał Lipok's user avatar
0 votes
1 answer
155 views

How to let computers at the same physical location, but on two separate networks, talk to each other?

I have two networks at my house: Network A: Router A with Cable Internet and Wi-Fi A DHCP 192.168.1.x 5 computers 3 smart TVs bunch of random devices Network B: Router B with Cable Internet and Wi-...
userlite's user avatar
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Can't Ping from LAN to WAN and port forwarding is KO

hope you can help me out. I have a modem (192.168.1.1) and a router (Xiaomi AX3600) connected to it via cable (192.168.1.2) which is creating a WAN (192.168.31.1). All devices are connected to Xiaomi ...
Simone's user avatar
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1 vote
2 answers
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Two internet connections, two routers, one network, IP address conflict

I have these configurations on two connected routers: Connection = LAN to LAN. ISP1: ADSL internet connection 1. ISP2: ADSL internet connection 2. DHCP: 192.168.1.2 to 192.168.1.254. And this is how ...
Toni's user avatar
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2 answers
167 views

Huawei router starts acting crazy

So, my Huawei HG532e was working perfectly, fast starting , great internet speed , no lag , no nothing ...But today the power went off , I unplugged the router (in case of the power coming on/off), ...
Anes Hamdani's user avatar
1 vote
0 answers
289 views

WDS wifi router mode, low transfer speed between bridge to wired NAS

I have a network configured with wifi DSL modem in standard 802.11n mode and a TPlink router in WDS mode, both on channel 4. I knew that it was normal for a signal drop in WDS mode, but this only ...
Roberto C.'s user avatar
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2 answers
187 views

Why don't these two routers work in the same network?

I have this base router which has the IP of 192.168.1.1. I set the base router as a DHCP server with the starting IP address of 192.168.1.10. For the second router I disabled the "Enable the DHCP ...
Pettko's user avatar
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1 answer
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Syncing a folder on two PC connected to the same router

I have two PCs running on Windows 10. I have been using \\PC01 but now \\PC02 is joining. There is a folder \\PC01\Users\Matthew\Documents\folderToShare and I want it to synchronize with \\PC02\Users\...
Matthew Hui's user avatar
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1 answer
62 views

Is there a way to use the printer cable USB on a modem to adapt to a LAN for a computer and improve ISP connection speed?

Our modem (ARRIS TM502G Telephony Modem) only has one Ethernet port which has to connect to the router. Is there a way to have an additional Ethernet cable adapted from the printer port on our modem ...
Trey's user avatar
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2 votes
1 answer
433 views

Can I connect my PC to a 2nd router?

I'm no professional in this and am just trying to seek advice. I recently bought a new router(Nokia beacon 1 wi-fi mesh) but it apparently only has 1 LAN port and so -I can only connect either my ...
Leon's user avatar
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1 vote
1 answer
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Connecting Windows PCs with Ethernet and Switches Without Internet Access IPs Being Overridden?

I have seven computers located far away from the router. I am using them as a part of a render farm, so they all access a central machine (the render server) and read files from it, perform ...
EllipticalInitial's user avatar
-1 votes
1 answer
396 views

Is there a way use SMB protocol without a router?

I'd like to transfer files from Windows to Ubuntu, with direct LAN cable, I previously got it working using router (wireless), but I can't get it working if I connect them directly using LAN cable ...
Adam Rafiandri's user avatar
1 vote
1 answer
1k views

What are the technical differences between WAN and LAN ports in a consumer router? For a two modem, one router setup

I'm wondering what the technical differences between two RJ45 WAN and LAN ports are. I know (I think) the usual "high-level" differences that are usually described: e.g. you attach the ISP ...
terr's user avatar
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1 vote
0 answers
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Trying to setup Upnp for a friend so they can use myneigborsushicat. What are tests 7 and 8?

My friend and I want to play PPSSPP and use Myneighborsushicat to do it. Doing that requires upnp, so, We both used a program to test our computers. My results were this: TEST 1 - Operating System ...
Quarra's user avatar
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0 votes
0 answers
177 views

Create a private network between VMWare Linux(guest) and an embedded board

I am running Ubuntu on a VMWare on Windows host. I have a target embedded board(eg. Raspberry Pi) which is running Linux. I have connected the ethernet port of board and my Windows host using an ...
gst's user avatar
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0 votes
0 answers
728 views

Router (sometimes!) causes invalid certificate issues and applications start to malfunction

Currently I have the following set-up at home: set-up of my internet connection at home This set-up works perfectly fine most of the time. But sometimes (after a couple of hours or sometimes days) a ...
MoekToe's user avatar
0 votes
1 answer
101 views

Limit service to a specific LAN on a Linux machine connecting two LANs?

I have a hypothetical question regarding how networking stack works on Linux. If I have a machine with two NICs, sitting on different LANs. Something like this: NIC A on LAN A, 192.168.1.3/24 NIC B ...
QnA's user avatar
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0 votes
2 answers
4k views

Cannot resolve hostname (updating hostname for machine on local LAN) when attempting to contact a Raspberry Pi via hostname

I have connected a Raspberry Pi 4 running Ubuntu 20.04 to my local LAN over Wi-Fi. From my laptop I can SSH to the Raspberry Pi just fine with: $ ssh [email protected] Welcome to Ubuntu 20.04.1 LTS (...
u123's user avatar
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0 votes
0 answers
210 views

Second router not sensing internet while PC connected with the same cable does

Because I have my main router (from my internet provider ) in the corner of the house, WiFi doesn't reach my room (thick walls). I connected my PC with a UTP cable about 25-30 meters long. Now, a few ...
Inverno's user avatar
1 vote
2 answers
167 views

How several WAP (Wireless Access Points) handle interference?

I am now trying to resolve slow wifi problem. While investigating it, I understood I need more information, that is: How several access points negotiate (if at all) channel to be used? How it is ...
seeker's user avatar
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0 votes
0 answers
189 views

Router's ftp server isn't listing large files

I have a ZTE modem, with USB file sharing enabled through FTP for WLAN. It works fine for streaming, downloading softwares and other transfers but within a size range of 2Gb. The software setups and ...
umair mughal's user avatar
1 vote
3 answers
4k views

How to set up a static IP address for my home server (LAN)

I want to set up a home server, and I need to assign my computer a local static IP address. I do not want a public one, just one for my local network, so it doesn't cost money. How can I do this?
Serket's user avatar
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0 votes
1 answer
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DHCP on a lan-connected wireless access point: why does it work?

I'm trying to extend my home network by cascading wireless routers following this topology: Internet (WAN) <-(dsl cable)-> Technicolor wlan router <-(ethernet)-> TP-Link access point. Both ...
Smartops's user avatar
1 vote
1 answer
3k views

Windows 10 will not connect to LAN/Internet via a switch

A single Windows 10 machine on our small office network will not connect to the internet or LAN when connected via a switch. It fails to see any network activity and reports there's no connection. ...
EvilDr's user avatar
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0 votes
1 answer
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How to setup a virtual subnet?

Ubuntu 20.04 is installed on my machine. A network cable connect it to a network camera. I've installed three virtual machines via VirtualBox on it, one Windows XP and two Ubuntu 12.04. What I need is ...
hamidi's user avatar
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0 answers
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Remote desktop via LAN cable, no router and other things [duplicate]

I have two PCs, one is a Windows 7 desktop and another is Windows 10 laptop. I want to use remote desktop connection to connect to the Windows 7 desktop which is connected to the laptop with a LAN ...
Harsh's user avatar
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1 vote
0 answers
774 views

Serva boot 0x56 wrong username or password error [closed]

maybe its not question but I was wondering how to fix it. If you can not log in to last step of installation, you need to create new local account on your PC which provides server and then use ...
Roman Romik Luč's user avatar
3 votes
1 answer
513 views

On my home network, host A can ping host B but not the other way around - Windows 10

I am currently learning about network engineering and was in the middle of monitoring my ARP cache when I realised I could ping my Windows 10 laptop (192.168.0.12) from my Windows 10 desktop (192.168....
PumpkinBreath's user avatar
1 vote
3 answers
134 views

How to connect internet from 2 lan?

My server /windows server 2012/ had two network adapters. 1st adapter is connected with domain LAN /Static ip address/ 2nd adapter for Internet /DHCP/ The problem: Internet is down... If I enabling/...
user2801618's user avatar
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0 answers
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Three 10mb fibre lines individually for three houses or a single 100mb line extended across three houses

I have three houses close by together and would like to get wifi in each house. Currently, each house has 10mb fibre lines each. I'd like to know if it would be possible to have a single 100mb fibre ...
Moe007's user avatar
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1 vote
1 answer
875 views

windows 10 blocks incoming lan traffic

I have a laptop with Windows 10 Pro build 2004, PC with Windows 10 Pro build 2004 and an android phone connected on the same lan. The laptop seems to block incoming lan traffic as I can't ping it from ...
Nightliss's user avatar
2 votes
1 answer
7k views

Isolate one computer on the LAN from all other computers on the LAN

I would like to know how I can best and most readily set up a single PC on my network such that it cannot see any of the others PCs or access any of their resources. The PC must still be able to ...
Gork's user avatar
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-4 votes
1 answer
2k views

Why did my download speed go down after making these adjustments and what can I do to restore the settings to get speeds back to normal?

I followed the steps from a guide below: Use Cortana to search for “CMD.” run cmd Right-click on “Command Prompt” and click “Run as administrator.” run command netsh interface tcp show global Look ...
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