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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23 views

Wireless routers are slow over the LAN [on hold]

I have around 80 nodes Network in which 3 wifi routers are attached. Issue is that when I connected my laptop via Ethernet cable, LAN works excellent and ping response time upto less than 1ms. But ...
-2
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0answers
19 views

Internet Connection Sharing and Network Bridging on Windows Server

I have a question regarding a small(ish) office network. I was wondering can I use Internet Connection Sharing with Network Bridging on a Windows server? The scenario is this: I work in a small ...
2
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5answers
6k views

Access linux machine by hostname within LAN?

I have a LAN setup with a bunch of windows and linux boxes. The LAN is built on top of the AT&T DSL Router. I don't have any type of DNS Server running. All the windows machines can identify ...
2
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3answers
1k views

What am I doing wrong with this cat 6 patch panel wiring?

top number is transmitter bottom number is remote terminator 12345678 36145278 is this because I could be mixing T568A and T568B wiring? how do I know if my patch cord is A or B? Do I just look at ...
-1
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1answer
26 views

OSX Disable Internet Retain LAN Access [closed]

I need to make an OSX machine accessible to other machines over the LAN by hostname, but 100% disable its ability to reach outside the network. I've tried giving it bogus IP information in the network ...
0
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0answers
24 views

Access switch on the LAN from a WLAN connection Sonicwall TZ205

I have a setup like the following Modem >>> Sonicwall TZ205 >>>> Linksys 8 port smart POE switch >>>> Linksys LRT224 When I am on the LAN through a wired connection ...
0
votes
1answer
32 views

Low Upload Bandwidth Issues

I'm fairly new to the networking world, so please bare with me. On my companies LAN, we are experiencing low upload bandwidth. Download bandwidth is fine. We have a 10 Mbps up and down through our ...
0
votes
2answers
906 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 ...
2
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1answer
771 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
69 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 ...
0
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0answers
3 views

MAMP Pro .xip.io [migrated]

I've got all my websites set up with MAMP Pro. For instance, I got it set up, so when I go to example.com, the browser displays the website that's set up on my iMac. Now, I wanna get MAMP Pro to work ...
5
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1answer
3k views

iptables - allow connections only from LAN

Is there a way to deny all external traffic (WAN) to SSH and allow only local traffic (192.168.0.1 to 192.168.0.255) and what would be the rule?
2
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1answer
819 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 ...
0
votes
1answer
56 views

postfix - connection refused from behind NAT

When attempting to telnet postfix from a different host in the same LAN through the FQDN (and thus the LAN's public IP), the following error occurs: root@mailer:/var/log# telnet mail.domain.com 25 ...
5
votes
10answers
3k views

Find Sniffer on LAN

HI, 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 ...
0
votes
0answers
21 views

Lazarus + Postgres Log: Could not receive data from client: unexcpected EOF on client connection

I'm writing an application that runs on a LAN. Workstations: Windows Server: Ubuntu server 12.04 Programming language: Lazarus I can run the program from my XP machine. It connects to the server ...
1
vote
1answer
22 views

Varnish to Vsites on Apache servers

Can anyone advise of a VCL conf that redirects (inside LAN & LAN DNS) to get to multiple named hosts? i.e. http://x.ourdomain.com = IP of Varnish Server = redirects to LAN host (i.e. 10.0.5.1) ...
2
votes
1answer
69 views

Moving Portable Office. Have a LAN & Phone line query?

We are about to move a portable office that has 8 phones and 12 lan connections. They are all wired back to our main switch and Nortel bcm200 phone system which are only about 20m (65ft) away. After ...
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votes
1answer
52 views

Administrative Login PCs in a network [closed]

I have about 700 computers LAN. All users can login only with user privilege, Not at Administrator. Administrative password of all machine is with me only. On surprise checkup i found some users were ...
0
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0answers
20 views

Configuring sendmail for local delivery

First, I've probably worded that improperly, because Googling keywords like that has gotten me nowhere. What I want to be able to do is deliver mail to various hosts on a LAN. So let's say I have ...
0
votes
1answer
65 views

Dual LAN on one NIC and routing

I'm trying replace three Windows XP workstations with new ones running Windows 7 Pro, on a network which I did not setup and can't change. The old workstations had one NIC each with the following IPv4 ...
1
vote
0answers
67 views

Debian server - DNS stopped working after static IP reassignment

Due to changes in the LAN router, I had to modify the static IP of one of our servers. It still succeeds in finding the external world (ping google.com), but only temporarily - when I access one of ...
0
votes
2answers
50 views

2 lans on the same switch safe? [closed]

I have a modem with 5 ports. Each port gets a static IP address from the web. Basically if i ping one of those static IP addresses from home i am pinging directly one of those ports. On the first ...
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votes
1answer
72 views

Easiest routing solution for a typical firewall with WiFi routers setup - WAN-2-hops-away network

Suppose a local network connected to the internet via a single firewall router. Devices that connect directly (= using only layer 2 devices) to that router are: hosts WiFi routers providing the ...
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votes
3answers
71 views

VLAN subset of LAN? [closed]

I'm reading up on VLAN and came across this "VLAN's allow a network manager to logically segment a LAN into different broadcast domains" If I'm understanding this correctly VLAN is always less than ...
0
votes
1answer
59 views

Restrict network connection to virtual machine alone-VMWare

Is there a way to restrict a Ethernet/Wifi Connection to the virtual machine alone and not to the host operating system? I am using VMWare workstation on windows with centOS and Ubuntu as my guest OS ...
1
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1answer
102 views

“Destination Host Unreachable” and ARP returns no addresses over LAN

I am currently trying to setup LAN over two machines with a network mask of 255.255.255.0 however I am receiving the following message when trying to communicate between them both; [root@alpha ~]# ...
1
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1answer
114 views

Nginx geoipblocking & allowing LAN IPs

I'd like to block IPs with geoip except whitelisted countries AND the local area network. The first part works flawless, the second one not. Somwehere searching the internet I found the codes LH ...
1
vote
1answer
167 views

One IP for whole LAN, provide access to local server outside the LAN [closed]

I have a LAN with multiple PCs and some servers. I would like to provide access to one of the servers from outside the LAN. The problem for me is I have one IP address for the whole LAN. The server is ...
0
votes
0answers
25 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 ...
6
votes
3answers
15k views

Load balancing & NAT-ing multiple ISP connections on Linux

I have two internet connections from two different ISPs and I need to balance the traffic originating to and from my network between the two ISPs. I am using Debian GNU/Linux. My set-up is like this ...
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votes
1answer
34 views

Router connect same 2 ports? [closed]

What it will happen if 'accidentally' i will connect 2 ports with the same utp cable? I'm asking here since i don't find anyware such a stupid and silly question but i'm curios about it, the router ...
0
votes
1answer
101 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 ...
0
votes
2answers
79 views

packet loss between two specific VMs

I am experiencing some high-percentage packet loss (more than 70%) between two specific VMs in a local network, in a remote cluster (I have no physical access to it). One machine is used as a hadoop ...
0
votes
4answers
115 views

Server with 3 network cards

Totaly edited: I have 3 nic with links eth0 eth1 eth2. I made 3 table T1 T2 T3. In /etc/network/interfaces i wrote: auto eth0 iface eth0 inet static address 1.0.0.1 netmask ...
0
votes
2answers
43 views

How to find programs using DNS on a network/machine

I have making a server switch. I am using wireshark and seeing that some PCs on my network are using DNS to make requests to the old server. I would like to track this down but do not know how. I ...
0
votes
2answers
30 views

LAN resets if I reboot router, but is there a better way to troubleshoot the LAN connection [closed]

Ok, I have the typical problem of intermittent internet drops on my home network. To restore the internet, I simply have to cycle power on the router. Problem solved. But I don't understand why ...
0
votes
1answer
169 views

Effects of IW10 (initcwnd 10 initrwnd 10) on high speed LAN based TCP/IP communications?

What does changing the number of packets sent during the initial congestion window to 10 have on LAN connections? Via: ip route change default via GATEWAY dev INTERFACE initcwnd 10 initrwnd 10 Is ...
7
votes
7answers
840 views

Best choice of private addresses for a “device area network”

I'm building an appliance consisting of several subdevices connected by ethernet inside the appliance. The appliance will connect to the customer network. The customer network can be using private ...
1
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2answers
36 views

gpo set to disabled but still applied

I set the 'prohibit access to properties of a LAN connection' to 'disabled.' After forcing, I confirmed they were not applied by running a gpresult. Now I realize that there are instances where ...
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votes
2answers
193 views

Why can't I have the same subnet on WAN and LAN?

I want to know why same IP with same mask on both WAN and LAN side could be a problem. I also want to know if setting different mask, but having same IPs will resolve the routing problem. ...
0
votes
0answers
96 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 ...
0
votes
0answers
58 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 ...
0
votes
0answers
57 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 ...
0
votes
2answers
72 views

Separate 2 networks with 1 Windows Server

The situation is: I have 1 router 192.168.1.1, 1 switch, 1 windows server and a basic LAN of devices accessing it. I need to split into 2 separate LANs with full Internet access each, but isolated ...
1
vote
1answer
410 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
votes
0answers
48 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 ...
0
votes
1answer
66 views

Cannot access site on apache from machine on different Lan

Hello I am new to apache and webservers and I need some help. I wish to host website within a machine an browse to it from another machine in another enviornment as part of a test enviorn. I am ...
0
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1answer
258 views

Airport Extreme mesh over Ethernet?

I have purchased three Airport Extreme routers. I have a cable modem in one room that currently feeds into our primary router (which I want to replace with an Extreme), which feeds into a switch, ...
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votes
1answer
240 views

How do I set up domain names for IP's on my LAN? [closed]

I have a LAN with 50 clients and my company has made me do a local WebApp. This is new territory for me, but as I see it, the individual internal IP's are regulated by MikroTIK. I was wondering, how ...