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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Odd ping results : another device answers the ping

On my LAN network 192.168.0.x. My computer is linked to a small Netgear router 192.168.0.19. On some ping requests, I get an answer from the router, not from the actual server. On several requests ...
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710 views

Ubuntu wired network disconnected

I am not able to establish a wired network connection between two computers on which I just installed Ubuntu 10.04. I am new to this environment. Unlike in the Windows environment, where it happens ...
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234 views

WLAN card as LAN interface?

I have a system with 2 network adapters: a wifi card (atheros) and an ethernet card. Both network adapters are recognized by pfsense 2.1 without problems, but I don't know how to configure it: I ...
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116 views

How to make your apache application accessible within network

I have a Windows XP machine where I have installed WAMP and made a PHP based web application. I can access the web application from within this machine by using the browser and pointing to: ...
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1answer
47 views

Hyper-V Client for Microsoft Networks gone

I have an odd situation. I have a Hyper-V Baremetal Windows 2008 x64 (not R2) host with 4 VM's on it. I also have a server next door on the lan that is not a host just Windows2003x86 called ServerS2 ...
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162 views

Connecting to NAS boxes/printer located on local private WAN network

The set up Here's a diagram of my network: # Building 1 (Main) --------- | MODEM | --|------ | |-[WIRED] | --|------------------------------------------ | DrayTek Vigor 2130N ...
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213 views

2 nic cards in ubuntu PC, one to router, one to win7 pc, make connected pc on router talk to win7 on 2nd nic

There are 2 win7 pc, 2 100 mb/s routers and 1 ubuntu 12.04 pc. I scanned a diagram of the Lan setup with IP's ...
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48 views

Comunication from Server to Client + Client LAN

I'm having some trouble with some network setup. I've tried OpenVPN, SocialVPN, Hamachi, still it is not working. This is my setup: Server A: NIC 1 with internet public address, NIC 2 to LAN Client B ...
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95 views

Redirect users to internal webpage on first visit

I have a lan of maybe 20 - 30 computers, and a Windows server 2003 server on hand (I can also run any x86 Linux distro). What I am trying to do, is to redirect users to a webserver inside the LAN the ...
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350 views

postgres server works on LAN but not WAN (connection refused)

I'm trying to set up a postgres server, but I cannot access it through the Internet. It works fine on my LAN. Server is just a desktop computer using Ubuntu 12.04 desktop. disclaimer: I am not ...
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509 views

Gateway Modem loses ability to DNS lookup intermittently, often under heavy load

We're using a Bell 2Wire Gateway modem/router as our only hub (with some switches attached). Intermittently, but frequently when a large download is initiated, all computers on our LAN lose the ...
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241 views

how to access my lan based postgresql db from my website

We have lan based .Net application with Postgresql 8.1 , now i have task to provide interface on website to read and write two tables on LAN based database I don't know where to start Please help me ...
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746 views

Lot of Multicast traffic on LAN

Recently the whole network at work is being hit by multicast traffic originating on the LAN itself. I did some investigating and the service which seems to be responsible is ws-discovery. I have ...
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266 views

windows server 2003 subdomain routing to lan

I have Windows Server 2003 with two network cards. 1 network card is connected to the router and router is connected to internet. 2nd cards is connected to switch and there are another 5 PC’s ...
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230 views

PC to MAC Ethernet LAN

I'm trying to setup VNC between a (Windows XP) PC and a MAC (OS X) for semi-permanent installation in a space, but I can't even get the PC to ping the mac. I've got an ethernet cable running between ...
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31 views

How to access a domain or its subdomain from the Local Area Network in Nginx?

I've got a local server configured with Nginx, PHP5-FPM, MySQL and some other stuff. I'm hosting two sites. One static website using Twitter Bootstrap and a theme: at www.example.com One WordPress ...
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152 views

Can't ping6 a network interface from a different Ubuntu computer

I cannot ping6 the network interface "tun0" on the host computer from a virtual machine. Using vmware, I installed a Ubuntu 12.04 virtual machine, that is connected to the host machine with NAT. ...
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58 views

How to bridge two lan but keeping their clients using/choosing their own wan?

this is my first question here so please bear with me if I haven't made it super clear So I have 2 piece of Cisco RV180W router hardware. The office is moderately big and one single Wifi router is ...
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65 views

Private ip iptables rule

I am using Windows Azure where they allocate a private IP for you like 10.3.2.1. If I have another machine at 10.3.2.2, how can I open up the first machine(say port 3306) to let the second machine to ...
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54 views

Wake on Lan (WOL) stopped working

My wake on lan stopped working for no apaprent reason. I installed wireshark and from another machine sent a magic packet to the target computer and I could see the packet was coming through. ...
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88 views

Requiring all network traffic go through VPN in Windows 7

I have a VPN service that I can can connect to through Network and Sharing Center manually and this works great, but sometimes I forget to enable it or it goes down and then my traffic is not tunneled ...
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290 views

Dual-port server acting as router, but LAN can't see WAN

Using Windows Server 2012 Essentials. I've got two ethernet ports. One is connected to a router which is connected to the internet. This portion of the network is fine. The router runs DHCP on the ...
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191 views

ubuntu set up as router lan pc can ping one direction and get shares but other direction can not ping or connect shares

I have ubuntu router questions. you can see tracert can complete on way but not other way. How to make that work? (a better visual layout exists here) ...
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552 views

Apache/Windows is very slow on only local network

I have this weird problem with apache. First, a little bit of background: I'm using XAMPP - but i tested wamp and vanilla apache, various versions - to do local (php) development on a Win7 Pro x64 ...
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54 views

network restricted website

How can I restrict my network connections to a only my web-server? EG, a user would connect to my network (WIFI/LAN) when they open a web browser and enter 127.0.0.1 it will load my app. But if they ...
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283 views

Forward access to Apache on a virtual machine (vmware)

I have setup a server in a virtual machine using VMWare. The server is Apache running on Debian (the virtual machine). The host machine is Windows 7. Now, I would like everyone on the LAN to be able ...
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84 views

LAN with around 10 Computers loses internet connection

We have around 10 computers in our private LAN. There is currently 3 routers and one big swich connecting all the computers. 2 of the routers had there DHCP disconnected in the beginning. In the ...
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44 views

routers function but cannot ping or remote admin

I have set up 3 cisco wireless routers as wireless access points. Each has a static network ip and subnet/gateway identical to everything else on the network. They also each have local ips that I ...
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220 views

Running teamcity in LAN

I am trying to set up a teamcity server in my local network so that it can also be accessed from outside. the server runs on port 8111 and can be accessed fine from inside the lan. In my router ...
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379 views

Cannot remotely connect to server while it's connected to WAN port

It may appear like a really dumb question but why can't I remotely connect to my server when it's connected to the WAN port of the router? It was working when the server was connected through any ...
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70 views

SSL Handshake takes 10 seconds in LAN but not in WAN

Here is the structure we have, 3 servers in location A (172.22.25.X) and 3 servers in location B (192.168.140.X). One of the 3 servers in each location creates an SSL connection to the other 4 ...
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98 views

LAN to PPTP VPN bridge

I am pretty new to VPN and networking stuff so please bear with me if this seems a noob question. I have a cisco linksys e2500 router running on Tomato firmware. My situation is, I have set up a PPTP ...
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174 views

DNS Server using bind on CentOS - does not resolve

I am trying to setup a DNS for a standard lan zone. I have now read every bit of info available but still the DNS server does not resolve with nslookup or dig e.g. "nslookup router.local.lan" => ** ...
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61 views

Pass / forward 8080 port on server with masquerade

There is server machine wich is connected to ISP only with modem, no router. Server got apache on 80port. Now on other ethernet card in my server i have cable going to my router, router serve ...
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311 views

Performance issues on LAN with Load balancing

I recently set up a network which is running "slow" and I can't seem to debug the situation. I'm fairly noobie at networks I'll explain the setup and hopefully you can give me possible solutions. I ...
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227 views

Auto switching between wired and wireless connections

How about this situation. Our business deals a lot with medical information. And some of our clients have demands based off HIPPA, etc. There is one now where they do not want an employee to have both ...
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23 views

Jumphost VM not able to communicate with LAN

I have setup a jumphost VM on WinXP. It has 2 NICs. NIC1, which is the LAN, has the following IP settings: IP: 10.0.0.1 /24 (No default/ DNS configured) NIC2, which has external connections, has ...
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70 views

Severe performance issues sharing openvpn client connection to LAN clients virtualbox

I am trying to set up an internal network in Virtualbox in order to share an openvpn client tunnel with multiple VMs acting as clients that should be completely isolated from everything except for the ...
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41 views

My SonicWALL PRO 3060 doesn't have PortShield, but is there a way I can fake it?

So I'm setting up a SonicWALL PRO 3060 and I noticed that it doesn't have some optional PortShield upgrade -- oh well, my loss. However I find that I've started needing something very ...
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35 views

Error 400 on LAN access

Probably a stupid question / problem, but when I try and access my site via it's domain name from inside it's LAN (requesting via the local IP address works fine though), I get an error 400. A while ...
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31 views

RTMP Streaming LAN footage from multiple PC to one single stream

I need to stream a Live LAN footage from multiple PCs to a single stream, that is must redirected on twich.tv. What in fact I need to do is to switch from one source to another without interrupting ...
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49 views

Assigning LAN TLD's

Let's say that I am setting up an experiment of sorts with two or more DNS servers. These DNS servers will handle DNS requests for <domain>.lan tlds. Let's say that dns.lan points to the first ...
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134 views

DNS settings for resolving Host name to IP not working?

I want to access my IIS hosted application over LAN. First I installed a DNS server. The DNS configuration steps are: Go to DNS Manager -> right click on System Name -> click on configure a DNS ...
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21 views

Need assistance setting up Linux Router with 2 public lans

I was assigned a.b.c.10/30 (Public IP) for my router and given a.b.c.9 as the gateway. I was also assigned x.y.z.128/25 (Public IP block) for my use. I want to setup a Linux router to handle this ...
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60 views

Accessing Supermico IPMI behind remote LAN

I've been trying to find a solution to this for hours now, I was up till late last night also trying. We have around 70 servers in the US in various datacenters (rented) that run IPMI on a private ...
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22 views

How to performance QoS on each single host in LAN based on IP

I'm wondering if there's a way/software I can enable bandwidth control on both inbound/outbound LAN traffic between each connected host and the router? Currently I have a CentOS box running as a ...
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122 views

Clients suddenly stop receiving data from the network

I'm facing a connection problem on a small network: 10 clients connected to a Netgear WNR612v2 WiFi router with DHCP disabled; 4 clients connected to a Linksys WRT160NL router with DHCP active and ...
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82 views

Production windows web servers in AD with the rest Network and users

We have 8 Web servers accessible from Internet and 2 SQL Servers accessible from those 8 servers. What is better: a) Put them all in AD in which other users are (entire company), the connection ...
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101 views

Remote call script as administrator

I created a Windows XP bat script to modify etc/hosts file. I want to share this script at other machine, then from another computer I want to invoke these script to modify hosts file at first ...
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149 views

Prioritising specific users' and server's traffic on a LAN?

I'm fairly new to network design and I was wondering if someone could help clarify a couple of things regarding traffic prioritisation on a LAN. Some background: I'm designing a network that will ...