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 get Cisco Router on Network Map

I have a Cisco 1921 router that I want to show up in Windows Explorer (under Network Infrastructure) and on the network map. Would this be possible with this type of router? My Cisco wireless routers ...
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DNS requests from a local server to another local server

I have two servers running in one network. External IP of main server: 1.2.3.4 (domain.com) External IP of secondary server: should not be available directly from outside Main server (dns, mx, ...
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How to set up a subnetwork of a subnetwork? [closed]

I have a network cable that is plugged into a single computer in office, now we have three. We typically use a network switch to create a network, however, this time it was different as according to ...
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2answers
43 views

How to know the external ip address of my gateway?

In my office network i unknowingly changed a setting of my gateway of lan network .. I had set my phone's ip address under a section in setting which states that.. Only this ip can login to the ...
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6 views

TP-LINK TL-SG1005D Unmanaged switch not providing gigabit speeds [migrated]

Let me start by saying that I'm a networking newbie. I understand the basic processes but not the intricacies of multiple routing devices on a network. My setup is essentially this: ...
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9 views

Hardware required to setup WLAN access in large house [migrated]

A house has 3 floors, with thick floors and around 350m^2 total. The person responsible for setting up the electricity and networking in the house recommended to have the router and then 3 ZyXeL NWA ...
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1answer
20 views

How to send lan traffic to bypass the vpn for android

How to send lan traffic to bypass the vpn, for that network 192.168.3.0/24 directly appealed to the wifi router, and do not through the VPN
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27 views

Static routing between LAN, IPSec and VPN

I got the following network setup: LAN: 10.10.2.0/24 -> IPSec -> 10.10.1.0/24 (VPN Server addr: 10.10.1.5/24) VPN: 10.10.3.0/24 IPSec connection is transparent Users between 10.10.1.0/24 and ...
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8 views

Sharing VPN access to my LAN - security concern [migrated]

I recently subscribed to a VPN service (Vpnsecure.me) and I have been thinking to share it to my all LAN via my synology NAS or my raspberry PI. Before configuring my devices, I would like to know how ...
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1answer
46 views

Direct server to server traffic via LAN

This may seem like a dumb question... or it may well be a dumb question (lol)... but its something I have never had to deal with and know little about. I have 15 physical servers in a datacenter, ...
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2answers
41 views

Two different locations running as one on server? [closed]

I am with a new company, and I am trying to make sure I am understanding the way it is set up on the server. There are 2 locations, and the second location is connected to the network and Server ...
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43 views

Change Windows 2012 R2 Network from Public to Domain

I upgraded the Network Card Drivers for my Domain Controller but now it is seeing the local lan as a PUBLIC network which is messing with my firewall rules. How do I switch it back to DOMAIN?
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1answer
38 views

adfs proxy and dmz configuration

I am trying to setup an ADFS proxy in a DMZ as per Microsoft's best practices, but do not really understand how this is done practically. The basic premise is that a server is placed in the DMZ and ...
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31 views

IP address change eventlog in Windows System

Domain Controller - Windows Server 2008 R2 Standard Client OS - Windows 7 prof. Recently on one of my Windows Server 2008 R2, the ip address has been changed. So i need to know how it has been ...
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27 views

SoftEther Site-to-Site VPN

I have already already setup a Site-to-Site connection via the SoftEther bridge package. (Please see attached diagram). I enabled SecureNAT on the central server, and to avoid conflict with my local ...
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11 views

PC name won't appear as it changed

I have a LAN at work. I have renamed all PCs. I mean I have changed all computer names. And when I am scanning the network with netscan, some PCs appear with old names. In Windows Network ...
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23 views

Cannot connect to LAN when VPN connection is active

I have a headless server (skynet) which I would like to connect to a OpenVPN server running on a VPS I've purchased. The VPN is up and running and when I test to it with my laptop, I have internet ...
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1answer
37 views

IPv4 SYN, ACK & RST issues

Good day, I asked this question in the Network Engineers StackExchange and was told to ask it here. I am running a roundup server (Ubuntu 12.04) and the roundup-mailgw (python script) is no longer ...
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2answers
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Windows 2008 R2 Standard Edition random packet drop

My dedicated game server running Windows 2008 R2 Standard Edition drops packages randomly and this is causing a freeze for about 1 second for my players. I have no idea whats causing this. I've been ...
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2answers
80 views

How to give a computer a domain name on LAN? [closed]

I have made a web based software which runs on apache on one of the computers on the office LAN. To make it easier for people, I want to use a domain name to access the "server" instead of it's IP ...
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52 views

Server 2008 R2 and RRAS

Good Day, Hope someone can help. I am currently working for a private educational institute building and managing a network. I have had to fix quite a bit of this network to get everything to where ...
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1answer
45 views

Setting up network connectivity between 2 VirtualBox Windows VMs

I am attempting to set up a set of VMs on Virtualbox and have configured one as a DC running Windows Server 2008 R2, and it's intended to function as a primary DNS server. I have created a reverse ...
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3answers
213 views

Possible to route HTTP traffic through another server?

Noob question. I have three remote servers (S1, S2 & S3). One of them has internet connectivity (S1) and the other two (S2 & S3) can only access S1 -- for example, I have passwordless SSH set ...
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1answer
90 views

Pfsense Access LAN through WAN (ping, shared folders etc)

My network setup is like this {Internet} <-> (Goverment Router) <-> (pfSense with http and https interception)<->(LAN Switch) <-> Many pcs on the LAN On the goverment router there are ...
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1answer
57 views

CentOS 5.4 (Final) - Can not bring up eth0

I have CentOS 5.4 installed on my machine. Due to some reason I can not bring up wired connection. When I try to configure ip address through DHCP it fails and give the error "no link present. Check ...
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60 views

ASUS RT-AC66U WiFi Unit is blocking LAN DNS/DHCP Server

I'm using an ASUS RT-AC66U for WiFi. Decided to break out an old server to handle DNS/DHCP for local experiments. The problem seems to be that the RT-AC66U is (somehow) blocking the DNS Server. ...
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1answer
29 views

Windows 7 mapped drive - red X (one user out of 4)

This is for a client of mine. Small Windows 2008 domain. Four workstations, all Windows 7 Pro, all the same service pack and windows updates. Same AV software, no GPOs, all computers are pretty ...
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2answers
52 views

Win7 apache2.4.9 phpmyadmin4.5.0.2 - an not connect for LAN [closed]

Everything is working fine - hosting a couple of my own sites, but would like to be able to maintain them from other PC's on the LAN. Works fine, except for phpmyadmin. Everything is set up to be ...
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2answers
28 views

Scan LAN ports for devices other than computers

I have a fingerprint device attached to a LAN and I want to figure out the port number used. I could not figure out from its settings and configuration, so I thought to do a port scan over the ...
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1answer
161 views

Setting up IPSEC on LAN between two hosts (OpenBSD)

Trying to use IPSEC between two hosts on a LAN. No VPN involved Using OpenBSD 5.8 (in VirtualBox). I'd prefer to use OpenBSD's built-in support for IPSEC and not a third-party. Two hosts: 10.0.2.10 ...
2
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1answer
89 views

Interpreting PING Results

I am on Windows and LAN using the command line PING in this format: ping -a -n 5 -S <source ip> <destination ip> For the most part, it does what it is supposed to do but I have noticed 3 ...
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1answer
34 views

Caching POST request and GET request on a local machine to get access to content offline

I'm looking for an existing solution that would allow us to make request normally and let a sort of proxy cache everything we do. For instance when querying a REST service the proxy would write the ...
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105 views

Can't ping on same subnet

I have one server and about ten other computers connected to same LAN and IP configured to same subnet. No DHCP. All computers have static IPs. Server is 192.168.13.1. (Others are 13.x) It's running ...
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2answers
62 views

2 Lans, 1 router, need to ping eachother ip [closed]

I have 2 LANs: LAN 1 192.168.2.1/24 LAN 2 192.168.3.1/24 I have a device on tLAN 2 with IP-address 192.168.3.61. My laptop is on LAN 1 with 192.168.2.100. My final goal is to ping the device like ...
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26 views

Route WAN traffic to router which is placed behind switch first

Would be possible to do the following as it is at image? I would like to send all traffic coming from internet to Router with FW first and then to the LAN. I thought this could be achieved by using ...
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1answer
256 views

Slow local area network speed [closed]

Background: Currently I have the following devices on my home network: Router Asus RT-N16 (Latest Firmware Version:3.0.0.4.376_3754) HP MicroServer Proliant Gen 8 (Windows Server 2012 Essentials) ...
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2answers
61 views

Domain controller network profile starts as public

First off, I'm a programmer that needs to fix certain networking issue's so bear with me :). Also, sorry for the question title. I couldn't think of a better one. Secondly, it's not the same as the ...
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2answers
57 views

Routing/gateway problems in a simple topology

In order to have a second "backup" gateway for my company network, I tried to implement this topology: It is pretty straightforward, with the network between the modem and the router being the ...
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1answer
37 views

How to made local network in VMWare ESXi 5.5? [closed]

I want to make alternative for mikrotik or cerio routers for ESXi. I need to setup virtual machine with debian and configure iptables. It will work like router. And i need to made local network in ...
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2answers
91 views

How to merge usb0 and usb1 interfaces into one network?

I have a set-up with three devices, all running Ubuntu 14.04. The set up looks as follows: What I would like to have is a configuration in which both devices can connect to the internet but can ...
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20 views

Structured cabling, MDF to clients

Hi i am having trouble finding a standard on structured cabling I'm currently managing a school with two building having 3 floors each, the thing is currently there are switches scattered around the ...
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2answers
116 views

How can I configure a Netgear prosafe switch to route all network traffic?

I am setting up a small network and am out of my depth! Someone prior to me joining the team has bought the kit, now I'm attempting to configure it all to work. I have noticed that the network ...
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2answers
44 views

Connecting a domain-joined pc to a non-joined pc

At my job we have a pc that controls the lights, ventilation, music,... of the factory hall. Since this pc runs on Windows XP it isn't connected to any network whatsoever. However, the production ...
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26 views

i tried to register netshell.dll failed in windows xp

I cannot open my localconnection's properties, so I tried to register the netshell.dll file, but got a dllregisterserver failed, return code is 0x80020009 error. When I used regsvr32 netshell.dll /u, ...
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1answer
26 views

Sync files without internet at two locations

I have large files (1 GB+) that should be kept replicated at two locations and internet speeds keep a cloud or online solution resource prohibitive. (Already slow connection approx 6 Mbps in a remote ...
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3answers
106 views

Peer to peer communication in complicated multi-subnets LAN

We are developing a P2P application and stucked at the part of making communication between 2 peers which are in same local LAN but 2 different subnets. We know that there are a lot of cases that 2 ...
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1answer
29 views

BIND: How to refer requests to other DNS servers in different predefined networks [duplicate]

Let's say I have two independent networks net1.local and net2.local each of which is connected to a bigger network local through a router. Each of 3 networks have their own independent DNS server. ...
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51 views

Securing communication over LAN in VPS provider

I'm curious about best practice when connecting from app to DB in a cloud provider. A quick rundown of our setup. We have 4 servers all on the same provider, in the same region running as VPS. ...
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1answer
69 views

Access to local dhcp server via ssh [closed]

I constructed dhcp server on centOS6 (which has a ipaddress 192.168.0.0) to allocate ip address, 192.168.0.5, to other local node. When i use "service network restart" on client node and type ...
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2answers
300 views

Promiscuous mode not working with ubuntu and wireshark [closed]

I am running Ubuntu Linux and have installed wireshark on it. I can see the incoming and outgoing traffic just fine. Now I want to see the traffic from other devices which are on my LAN. So, I did: ...