Questions tagged [local-area-network]

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 or Ethernet transmission.

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How to configure Wake-On-LAN for home network? [closed]

The device which is connected to the Internet is my home gateway Huawei HG8245H5. I have a second device connecting my home gateway and my PC TP-Link TL-WR720N. I was able to use WoL through the ...
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Access DB on a server outside LAN

On my pc I have installed mysql server on port 3307 and there is a database that runs on it. I need to access it outside of my local network In particular, I am interested in accessing from a net core ...
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Three routers, one switch [migrated]

I have a problem. The broadband ISP in my area is really unreliable, so I have decided to get an "Airfiber" subscription along with the one I have. The idea is to connect both routers' LAN ...
Rohan Paranjape's user avatar
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Non-PC devices don't have access to the Internet [migrated]

I have a home network and face an issue that all non-pc devices don't have an access to the internet, but the same time all my pcs (windows 10/11) have it stable. Diagram of my net: Some times it ...
Андрей NOP's user avatar
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Ideal method to virtually connect two ports transparently in a switch [duplicate]

I have an Aruba 2930F 48G PoE+ 4SFP+ switch. It has mostly default configurations, therefore all ports act as if it is transparent. The router is a Belkin RT1800 running OpenWRT 23.05.2. The internet ...
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How to synchronize time between two devices on a local network using NTPD, with one device serving as both client and server on separate interfaces?

I am using STM32MP1 based two devices which runs on Yocto Linux platform. Among them one has two network interfaces (wlan0, wlan1) where wlan0 is used for connecting with internet servers & wlan1 ...
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Running a website on a LAN only

This is a big question, so I'm only looking for a high-level overview answer to help me research the bits I don't know. Essentially the problem is this: I need to take a dedicated Mac Mini (or similar ...
Django Reinhardt's user avatar
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Mysql bind-address local subnet only

I am trying to allow users on my local subnet to log into my MySQL server. The server is running Ubuntu 23.10 and MySql version 0.0.35-0ubuntu0.213.10.1 The Clients are 2 iMacs with macos Sonoma 14.2....
James Martin's user avatar
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cannot connect client to wireguard server in LAN

10k feet view I want to connect my PC in LAN to a server in the same LAN using wireguard to use his services through a tunnel. server conf [Interface] Address = 10.0.0.1/24 SaveConfig = true ...
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How to route traffic from private LAN to specific public remote host via alternate gateway?

Overview I am trying to deal with the following scenario: +------+ (Internet) 50.a.b.c +---------+ | edge + eth0 <-----------------------------> + outpost | +--+---+ 25.u.v.w ...
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How to check for faulty device causing short outages in my LAN?

We resolved an issue caused by a broken access point by simply disconnecting it from the LAN. The symptoms we experienced were that now and then, our whole network would get "stuck" for a ...
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How to set up LAN on the Lenovo server? [closed]

I have a bizarre problem with my office Lenovo server. Everything works when connected to my home router from the internet provider. When I put the Mikrotik router between, the green light turns off, ...
iWizard's user avatar
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OpenVPN - Server cannot access devices in client's LAN

I have an OpenVPN server (10.1.0.0, 255.255.255.0 VPN subnet) and a client with a local subnet of 192.168.1.0 255.255.255.0. Server VPN IP is: 10.1.0.1 Client VPN IP is: 10.1.0.2 Server local IP: 172....
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IIS Windows 11 problems / alternative [closed]

We were always using IIS locally on Windows 10 and older without any issues. After update to Windows 11, there are a lot of problems with IIS installation - one of them being that the IIS manager is ...
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Cisco IOS/XR/NXOS, determine what's plugged into each port using arp, interfaces, and mac address-table

I need to try to map out the access layer switches for this environment, and determine what each port is currently being used for. My ultimate goal here is to determine the IP address/hostname of the ...
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Casting videos from one PC to multiple displays over an Ethernet Network

have a set of 6 television displays spread over 3 floors and a central personal computer at one of these floors. There exists an Ethernet cat6 cable network in the building with ports at the location ...
Predator1706's user avatar
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Time difference between NTP servers

I have a unique offline LAN. It contains two servers that get time from the same source. They do not reach out to the internet for their time source. They receive time from an application layer. I ...
RyBoneCoder's user avatar
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Nftables DNAT from external to internal interface and different port where Web server is binded to, how?

There is multihomed Ubuntu 22.04: internal 192.168.0.99/24 external 12.12.12.12/29 (for example) acting as gateway also. All, including internet access from the server as well as from the Lan behind ...
CpServiceSPb's user avatar
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Internal network drops connection to our own locally hosted web server on a disjointed network

In time I have my internal network drops all connections to my locally hosted website. After rebooting the web server all internal connections to the website works again, but it is only a matter of ...
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No layer 2 traffic in an Open vSwitch bridge

I see no traffic in layer 2 and above in an OVS bridge, but I do see layer 1 traffic. I have the following setup: I have created a Linux VirtualBox VM with three adapters: NAT with port forwarding the ...
falhumai96's user avatar
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share two network interfaces on linux

I have a Linux PC (ubuntu 22.04) with a network layout as below: Internet <-> Router <-> PC <-> edge device <-> Switch <-> APs <-> devices And with two Lan ...
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Splitter switch with multiple network

With an increase in informatics insecurity in companies, I try to increase the security of my network, but I encountered a problem trying to set up my ideas. Right now, each person in my company is on ...
Partodiam's user avatar
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Devices appearing and disappearing from the network

I have recently noticed a weird problem where clients and servers are only sometimes visible to browse on the network. All connectivity is good, I might add, and all devices can be browsed to by UNC ...
SLongmuir's user avatar
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Portable router doesn't forward broadcast MDNS IPv6 messages

I have a device (a motec ECU) that is connected throught a wired eth, which uses IPV6 with MDNS broadcast messages (ff02::fb) to get discoved in the network. If I connect a laptop directly to the ecu ...
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HP dl360 gen7 connected to internet but can't see the lan

My HP 360 gen7 computer had been running Fedora for years but yesterday after(during dnf update) a kernel update, it has started acting weird. It is the same kind of behavior that started during that ...
plehal's user avatar
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Can't connect to local website on a specific device

I've created a website which I host on a home server in my local network. When I'm not in my local network I can access the website with the external IP address and the domain. When I'm in my local ...
puncher's user avatar
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Set up a reverse proxy for local domains

My web server (apache2) is accessible on my LAN with its host name, let's say, jarvis (url: http://jarvis/). I have a Gitea instance running in my local network which is accessible via http://jarvis:...
tai's user avatar
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How does Windows recognize the Ethernet Networkname?

I try to understand, how Windows recognize the correct LAN\Ethernet Networkname shown on the Network Tray Icon or in the Network Settings. On the DHCP Server the "015 DNS Domain Name Option" ...
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UFW logs - connections to closed port

I'm probably missing something easy to understand: I've a tiny homeserver where there are some docker containers inside it, running on 192.168.1.10. On top of them I've NGINX which works as a reverse ...
Ferra's user avatar
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What is causing large TCP messages to have low throughput in one direction when using ethernet-to-wifi bridge?

I have two computers, Orin and NUC, which are connected via ethernet cable directly. NUC is connected to a router with internet via WiFi (for completeness, not relevant to problem, I hope), and is ...
Joshua O'Reilly's user avatar
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What to do with DNS if IP address is changed?

I'm working with Windows Server 2016 Essentials. Someone in the organization installed a Linksys mesh network into the router that our server was once plugged into. The Linksys parent node's DHCP is ...
smulholland2's user avatar
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2 answers
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Localhost NGINX server returns 403 Forbidden, but works on host machine

I have a NGINX setup serving a React app and an API on my local network, with a valid SSL certificate generated by letsencrypt. My domain is provided by domain.com, I'm going to refer to it as ...
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How to properly setup a Guest Network on the TP-Link EAP115 AP?

I have a TP-Link EAP115 Access Point. I would like to setup a guest network, so that people who come to my house and use the WiFi cannot port scan the rest of my network. And I really only care about ...
JonathanDavidArndt's user avatar
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Access to specific domain from specific IP in local network

I have in my local network some docker containers with firefox that running on different ports like 5801, 5802, etc. So that only the device from which the launch was requested was accessible, i used ...
evgeniy317's user avatar
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Host ID's on Network not in succession of 'active' or established devices?

Disclaimer: I am new to networking. I ran a arp -a command on Terminal to establish what devices are currently active on the network. I was returned a number of devices with Host ID's that were not in ...
BuiltByDan's user avatar
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DHCP Discover Packets don't reach server

I have a dumb IoT device that simply asks for a DHCP lease and gets no answer. I figured out that the request never reaches my routers DHCP server and I have no clue on why that happens. If I run a ...
Hokascha's user avatar
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macOS: How do I expose a localhost port to the LAN IP on the same computer?

On a Raspberry PI I have, whatever I run on, say, http://localhost:8080, is automatically visible to other computers on my local network at http://192.168.0.xxx:8080 or http://pi.local:8080. This ...
kshetline's user avatar
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Where does Ubuntu log TCP connections?

When doing some network security checks (on which I am an amateur) for my office PC, I discovered a few unknown tcp6 connections (with netstat -nt): Active Internet connections (w/o servers) Proto ...
trisct's user avatar
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How do I route all public traffic through Wireguard but not local traffic?

I know there's a series of CIDRs that I can use to cover all public CIDRs and leave out local CIDRs, but I cannot find this anywhere and I don't recall where I found it a couple of years ago when ...
cmjordan's user avatar
1 vote
0 answers
184 views

Can't connect Fedora computer to LAN via switch

I am trying to network a few computers on a LAN with a switch (no internet necessary). The networking devices I have available are a router, a managed switch, and an unmanaged switch. when I connect ...
Curtis's user avatar
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Send email between servers using a crossover cable and postfix

I don't know where or what I should be reading about when I want to send email between two different domains as follows and please give an example basic Postfix configuration. All conditions in the ...
superlinux's user avatar
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Office shared-disk error "We are connecting to \\server, please wait"

When browsing a fileserver direclty from Office applications as Excel/Word, it takes a long time to connect to the shared-disk, so opening/saving files are a problem (see screenshot). error loading &...
xarj's user avatar
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2 answers
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Accessing webserver over LAN

I have a macOS laptop running a application. The UI uses port 8081 and the API uses 3031. I can access this on the mac system using localhost:8081 and all of the API calls work through port localhost:...
Michael's user avatar
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Print Infrastructure: How many LAN printers is too many?

I am a new network administrator for a larger company that is planning on moving to a new building. Currently I am working on designing a layout for each office, as well as the warehouse in terms of ...
Brendan's user avatar
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1 answer
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Can I use Laptop with one WiFi and one Ethernet Port interface to setup firewall - OPNSense?

I am trying to setup OPNsense Firewall at my residence using a spare laptop which has one WiFI and one Ethernet interface. I was able to install OPNsense and configure the interfaces to LAN and WAN. ...
VMN's user avatar
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Firewall throughput and LAN Speed

A quick question, I'm considering to buy a firewall which offers throughput up to 450 Mbps and has fast Ethernet ports, my understanding is that the firewall limits the internet speed but not LAN ...
mechanize's user avatar
2 votes
0 answers
132 views

LAN speed fluctuations

I am totally out of my depth here, but hopefully someone can at least tell me if what I am seeing is "normal" or not. I am in the process of migrating a VM from one ESXi host to another via ...
Gordon's user avatar
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Can access site from external network, but not from internal network

I have registered a domain name (say leavemanager.somecompany.com), it points to a web based application (web app) hosted in a windows server machine running apache2. I have port forwarded http/s ...
George Porge's user avatar
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2 answers
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Can issues in my network infrastructure cause faults on my DSL/FTTC connection?

I hope I can explain this coherently... we have a copper wire connection to the building from a FTTC cabinet and a typical UK VDSL modem plugged in via traditional UK phone plug, providing internet ...
Mr. Boy's user avatar
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ubuntu server nginx not working ufw configured

I have fresh installation of Ubuntu server 22.04. I can't connect to my docker container. Here is some more information: ufw status Status: active To Action From -- ...
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