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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930 views

How can I configure my network to allow bi-directional traffic between two lans?

Here's my current setup: (and it may require reworking): 2 LAN networks - 192.168.41.0, 192.168.21.0 2 Public IP's (they are assigned to us by specifying MAC Addresses - not subnetted) ...
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0answers
9 views

Disable LAN Ports on ASUS RT-N56U [migrated]

I've upgraded my network, and I want to use the old router as a print server because it supports that feature. However, if I'm going to do this, I need to disable all the LAN ports on the router to ...
2
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1answer
878 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 ...
0
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0answers
31 views

Access internet through one computer [on hold]

I have a firewall by a company that does not exist anymore. It allows a maximum number of 5 computers to access the web. I have 7 computers that need to access the web AND the LAN. Since the company ...
0
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0answers
18 views

Windows VPN Server on Amazon EC2 Instance

we are small software company. Our web/db servers were in different networks. Recently we decided to create small network on Amazon EC2 and move all those servers to EC2. I have created several ...
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0answers
10 views

jetty virtual hosts on LAN [on hold]

I have a question about virtual host name on jetty (embedded), let's imagine I want to create a virtual host named www.buzzo.com visible from all nodes of my LAN, and I don't want to edit any windows ...
4
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1answer
985 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 ...
5
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9answers
4k views

Find Sniffer on LAN

What tools or techniques are available for *nix and Windows that help in finding if someone else on the LAN is using a sniffer? Having said that and strongly considering that there are tools out ...
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0answers
10 views

What file sharing systems for peer to peer Linux boxes on LAN with occasional Windows box? [migrated]

This is a home network and I am the only person using it. I have two Linux boxes (Mint 16 and 17) dual boot with both MATE and Cinnamon desktop logins. I would like to set up my network to enable ...
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4answers
61 views

Server nics on two subnets: gateway?

Server is connected two two separate, isolated subnets via two physical nics. Is there any way the server can act as a gateway for the two networks to communicate? To clarify, I don't want any ...
3
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5answers
2k views

What are the advantages/disadvantages for using a single strand of fiber for a full-duplex link?

I have seen telcos install one-strand fiber links at full-duplex, but haven't found much documentation about this configuration. What are the bandwidth limitations, troubleshooting complications, ...
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0answers
10 views

I'm able to ssh into host, but not to access it from browser - No route to host [migrated]

I have a setup on my home lan like this: router with OpenWRT OS which also acts as DHCP server host machine - Debian Wheezy guest OS on the host machine - CentOS 7 which only has one NIC which is ...
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0answers
40 views

Access Local LAN machines of Open VPN server from remote VPN clients

I am setting up a Open VPN server on one of the Windows 2008 machines of the local (LAN 192.168.10.0) with IP 192.168.10.6 The other local LAN machines are ...
1
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2answers
1k views

Web server not accessible to other systems on LAN

I'm trying to test a web site being served via nginx on my Mac. Things work just fine accessing the server on that same Mac, but when I try to get to it from a couple of Windows machines on the same ...
2
votes
1answer
873 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 ...
1
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2answers
2k views

Configure multiple lan interfaces for same subnet on sonicwall

We have a sonicwall 2400, Is there any way to assign multiple interfaces to the same lan subnet? Basically, we would like to have X1 for the wan and X0, X2, X3 and X4 connected to 4 devices that would ...
0
votes
1answer
31 views

Access domain from internal network [closed]

I have a domain, example.com and it has a A record pointing to my external IP. Port 80 is forwarded to my server. However, when I try to access it from inside the local network (behind the external ...
0
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0answers
27 views

openswan inside a lan

I need to create an encrypted channel between two computers inside a lan using openswan, so I can show how the encrypted traffic is using wireshark. I installed openswan in both computers (running ...
1
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1answer
50 views

How to scan ipv6 enabled hosts on my LAN?

I want to discover all my neighbors who enabled ipv6 protocol and still alive. I tried ip -6 neighbor show but it shows nothing. Can someone recommend a tool and show some examples? Thanks.
0
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1answer
94 views

NTttcp shows slower throughput on loopback (127.0.0.1) than on network

I am using NTttcp to find a baseline for what throughput I can expect between a client and server on windows. When I ran the client and server on two different machines on our LAN I got the following ...
1
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0answers
3k views

pfSense no access from lan to wan

Can anyone please help me ? Probably the answer is already somewhere in the forum, but unfortunately I have not found it until now. Since two days I fight to have access to the internet across a ...
1
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1answer
61 views

Setup Windows Server Local DNS on WAN

I inherited a WAN with centrally hosted DNS,AD Servers. I have clients connecting to Application Servers hosted locally on site. Problem is when the WAN link goes down clients can't connect to ...
1
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1answer
19 views

WebServer - moving MySQL to another server on LAN for gaining more processing power?

I have website with high traffic hosted on dedicated machine. This machine running out of resources. Will moving MySQL database to another dedicated machine on LAN give more resources to website ...
4
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4answers
808 views

Resolving IP address conflicts on a LAN

We have our LAN set up with DHCPD providing fixed IP addresses to the systems. However we are facing IP address conflicts if some one connects a laptop and assigns an IP address belonging to another ...
0
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0answers
186 views

pfsense access openvpn client´s lan

I want to cover the following case: pfsense server´s LAN: 10.1.0.0/24 openvpn client network: 10.2.0.0/24 Local network of one openvpn client: 192.168.2.0/24 Working: Access the network ...
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0answers
38 views

How can I troubleshoot my router NOT routing between LAN PCs?

I have a FiOS router, which has 3 PCs connected to it. One of the PCs used to run several servers/services; that I previously (using a different router from different ISP) successfully connected to ...
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votes
1answer
47 views

What type of switch should I get to implement a site with around 140 desktop machines, plus around 20 SIP phones? [closed]

We're moving to a new office and we will be needing to setup a network closet. I'm estimating that we will have around 140 ethernet ports and will be using CAT6a cabling for 1Gbps connections. I'm ...
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0answers
48 views

vigor 2960 won't start after firmware upgrade

I tried to upgrade the firmware of a Vigor 2960 through their interface. Everything was working fine until the reboot. The upgrade was from 1.0.7.0 to 1.0.8.2. It rebooted for a while and now I ...
0
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0answers
73 views

Nodejs website not accessible from LAN

I've deployed two nodebb instances. One on default port 4567, the other on 12001. The first site works well and is accessible from LAN, while the other doesn't. I expect that the problem to be due to ...
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votes
1answer
54 views

Possible to auto assign static IP after first DHCP? [closed]

I'm building networks with 256 devices that can't be pre configured (they all must start from the same configuration, it's not possible to give them static ip beforehand). Is there anyway from a ...
0
votes
3answers
94 views

Encrypt communications on local network

I'm developing a web application that runs on a server local to the same network as the client- basically, instead of a central web server, each customer site will have its own server hosted on the ...
0
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2answers
137 views

sonicwall-multiple IP's for same interface

I am new to sonicwall.Is there any way to add multiple ip's to a sonicwall interface ?. In my lab there are two local networks connected to same switch (networks are overlapped). I need to communicate ...
0
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2answers
470 views

Need help with local network printing while using VPN on Ubuntu 10.10 desktop

I can print to my HP printer via the LAN when I'm not connected to the VPN. When connected to the VPN, printing fails. OpenVPN 2.1.0 x86_64-pc-linux-gnu [SSL] [LZO2] [EPOLL] [PKCS11] [MH] [PF_INET6] ...
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votes
1answer
64 views

Securing a LAN whose wires cross over public hallway? [closed]

I want to record video in rooms (A B C) and start/stop/monitor the recordings from (only) room D. There is a public hallway separating D from the rest, and the data is sensitive. Preliminary setup ...
0
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0answers
139 views

Remote client (android) can't connect to OpenVPN sever behind LAN

My plan is to connect over tunnel (via Internet) android phone with my LAN at home. I set up OpenVPN server behind (router) lan (ip adress is 192.168.1.3). There is also my laptop. Port 1194 UDP on my ...
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1answer
38 views

How do I “connect” one wireless network interface to anothet [closed]

Basically I have two dd wrt routers(TP-LINK and ASUS) working in "LAN-WAN" infrastructure(so they both gateways, gateway-router infrastructure doesn't suit to me) and I want to somehow "connect" ...
1
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0answers
36 views

Most secure way to encrypt critical data to be shared, edited and seen (must ALWAYS be secure)

This question does not rely on time... so it's not about keeping data on tape or anything similar. I have 3 distinct PCs with critical information. PCs are running Windows OS. They all hold critical ...
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0answers
205 views

How to access the setup wizard on Sonicwall TZ 100 firewall

I am trying to setup a TZ 100 firewall. I am following these instructions and I have attempted to follow these instructions: "Connect your computer to the LAN (X0) port on the SonicWALL. Connect an ...
13
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5answers
7k views

Per-user hosts file

Is there a way to define host aliases (like in /etc/hosts) on a per user basis, i.e. in a file /home/user/.hosts ? My primary objective is to easily share host aliases via rsync between the machines ...
2
votes
1answer
51 views

Is there a better way than VPN tunnels to access local tools in remote DCs?

I have created a fancy interface which pretends to be an unified interface to access to different local tools located inside different datacenters. These tools are not accesible from the outside. To ...
0
votes
0answers
43 views

Configure freeradius as a linux service

I install freeradius-2.2.0-7 on CentOS 7, and I finished configuring it, for the test on the same Linux host, he replied "access-accept" but when I repeated the same test from another host on the ...
2
votes
1answer
1k views

VPN IP Routing - slow connections

UPDATE: Router error logs show: LCP Time-out 0 I'm not sure how to correct this. The Lan-to-Lan profiles are set to -1 Idle Timeout (for the remote branch). I have a PPTP VPN running between two ...
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votes
1answer
105 views

“dig +trace fqdn” and “dig fqdn” do not give the same result on a LAN with windows DNS server, why?

in my company LAN I have a Ubuntu 14.04 server running in Virtualbox (as guest) on a Windows 7 (the host) with network interface bridged (so the Ubuntu server belongs to the LAN, with its ip: ...
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votes
1answer
1k views

How configure 2 Lan cards in Windows 7/8 pc one to connect to Internet and other to Local Network [closed]

    I am about to install a dedicated VOIP server in our office. It is a 3CX pbx system on Windows 7/8 machine. The environment currently is a Windows SBS 2011 with 8 client machines. I want ...
1
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1answer
2k 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: ...
0
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0answers
114 views

Can't seem to see local network on Wine

I'm trying to use Wine on Ubuntu to use a proprietary Windows program that looks for a proprietary device on the local network. I don't know where it's looking, which protocol, port or IP address it's ...
2
votes
1answer
164 views

Windows ignores which interface to use in routing table

Hi i'm running windows 7 and i have 2 network cards, one wireless with internet connection and one wired with local lan connection. I want to use both at the same time so i set the lan card to 1st ...
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votes
1answer
44 views

What is the difference between an accelerated LAN port and a regular non-accelerated port? [closed]

Can someone explain the difference for me? Wondering more about the difference for the end user, but a technical description would also be helpful.
0
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0answers
65 views

How do I set up Munin to ping all devices in my LAN and alert me if anything is offline?

So I managed to set up Munin, which was tearful because it was my first encounter with Linux. But it now works and generates colorful little graphs. The real purpose of that exercise, however, was to ...
0
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1answer
285 views

How to ensure Netgear GS724TP is not blocking Dropbox Lan Sync - port 17500

We're a small company using Drop Box for business but have noticed that Lan Sync refuses to work on our network (it works fine at home). After trouble shooting the issues on the Dropbox forums, it's ...