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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A Tale of Two Domain Names - One resolves the other fails

I have setup two domains on a server local to my LAN. The first one is registered with GoDaddy and resolves fine behind the router. The Second domain is using zoneedit.com to handle the dns ...
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Password protect wired LAN?

The title is not a mistake, I really am talking about wired, not wireless. Essentially, I was wondering if it was possible to password-protect a LAN wired network to enhance security and only allow ...
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Splitting up multiple WAN's on Sonicwall

I have a cable connection running to our FW. We are supplanting that connection with another fiber connection to be used on a separate LAN. The cable connection and LAN is running fine. If I ...
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adding a local/custom domain on a windows LAN network (without editing host files)

I did find somewhat similar questions here, this one shows first I think, on google: Modify DNS cache other than HOSTS file? This one too: Windows DNS Manager and Sub Domains I also found this ...
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LAN speeds and firewall/switch connections

I have a small network with about ten users. All workstations flow into a Dell PowerConnect 3424 which then has a single link to a SonicWALL firewall and from there to a cable modem. More important ...
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218 views

How to get rid of NAT in a LAN?

Currently the LAN I manage is organized as follows: internal network (192.168.1.0) which uses a Linux server as a gateway (internal address on interface br0 192.168.1.1, external address on interface ...
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77 views

Access server on internal network by name

Forgive the noob question: I have a server that I would like to address by name from clients on the local network, i.e. instead of typing ssh user@10.0.0.x I would like to type ssh ...
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4answers
1k views

How can I reduce my network speed of Windows 7 64b OS?

I want to reduce network speed of my OS for testing my application. How can I do it?
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942 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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Cant ping ip on LAN. Port forward works fine though

I have a Solaris 11 machine running inside the LAN. It is a default install. I can access the machine and ping it if I ssh into my router (if it matters, it is running dd-wrt). I cannot ping the ...
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837 views

Making hosts accessible between LAN subnets

I have two inerfaces on my router with tomato firmwre: br0 and vlan4. br0 is on 192.168.0.0/16 subnet and vlan4 on 10.0.1.0/24 subnet. As I don't want the different network services on br0 available ...
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Sonicwall NSA 240, Configured for LAN and DMZ, X0 and X2 on same switch - ping issues

Our Sonicwall vendor supplied and networked the NSA240 when we required a DMZ in our infrastructure. This was configured and appeared correct although VPN users periodically dropped DNS and Terminal ...
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5k views

DrayTek Vigor 2920(n): VPN with VLAN restrictions?

I'm currently installing a DrayTek Vigor 2920n router in a new office. This router is to be used for 2 seperate companies. For one of these companies, the router has a LAN-2-LAN (VPN) connection to a ...
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315 views

how to find VLAN

i want to find whether our lab have the VLAN or not. my various LAB ip addresses are 10.1.8.1 10.1.7.1 10.1.6.1 10.1.5.1 192.168.1.1
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129 views

How effective is a private lan in securing a server for intranet use?

We are building a Intranet using alfresco on Managed servers. We are considering using a private lan to separate the database on to its own server which is only accessible via the main internet facing ...
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Windows 7 network performance tuning for LAN

I want to tune Windows 7 TCP stack for speed in a LAN environment. Bit of background info: I've got a Citrix XenServer set up with Windows 2008R2, Windows 7 and Debian Lenny with Citrix kernel, ...
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170 views

Xen need to realize 2 lan interfaces 1 - for Lan between domU and 2 - Internet

Anyone know how to realize lan between domU machines at one interface and actually global net at another interface? I reading wiki about routing and bridging and unable to fully understand it ...
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830 views

ping round trip time on WiFi

I have two Windows 7 machines on the same wireless LAN. When I try pinging from one machine to the other, the round trip times range from 1ms to 300ms, with lots of variation in between. Is it ...
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601 views

how to connect 2 independent computer networks?

I have 2 independent networks that are connected to internet. Each systems in a network can connect to the internet through the corresponding router/NAT device. i wish to connect these two LANs. I ...
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289 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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144 views

Slow LAN transfer from 3rd party computer

I've got an odd problem that I'm not really sure where to start the troubleshooting process. I have a 'server' with Windows Server 2008R2 (64-bit) installed and it has a couple of hard drives. If I ...
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2answers
155 views

Tutorials for making ISA and Cache Servers?

i am looking to create a LAN network i want to make an ISA and cache server for better performance and security i am looking easy to understand and complete tutorials, help required and also ...
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87 views

is there a local DNS Software which uses external DNS for actual resolution?

I have a LAN with few PCs on it. I want to have them to use a local server for DNS look up, and let the local server do look up with external (actual) DNS. So, which proxy-DNS server do you suggest ...
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269 views

Windows LAN IP addresses

How can I find all the active IP addresses on my LAN and their host names?
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4k 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?
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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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334 views

Using Lan Management port - which kind of switch for remote control?

I have no expertize in server hardware, however i have some IBM X3550 7978 and HP DL 160/G6 servers with 2 Lan ports, and a management port (that seem to be another Lan port). Have anyone tried to ...
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How to limit Bandwidth/DownloadSpeed of a computer?

My computer renters are consuming a lot of bandwidth, which cause some consumers to complain about low bandwidth. How could I balance the maximum bandwidth or the maximum download speed globally (all ...
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299 views

1 Computer Pulls Wrong DNS Every Morning

One of my users takes his laptop home, connects to his home network fine. He brings it in every morning and since Monday - every morning it pulls the wrong DNS every time. It pulls 1 DNS: 192.168.1.1 ...
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619 views

How to set up apache on LAN (MAMP)

I have 2 computers on a LAN (OS X and Vista). MAMP installed on OS X. I want view the site being developed from my Vista machine. I shared the htdocs file on the LAN. Clearly only the html is ...
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99 views

cant connect PC's within the same lan

Im trying to connect two laptops on my school's wlan, we have the same gateway and we should be able to communicate with each other, but somehow our laptops cant communicate
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213 views

NTP Meinberg GPS167: How to connect to a Ethernet?

I have a Meinberg GPS167 NTP: http://www.meinberg.de/english/products/gps167.htm Although it doesnt have a ethernet RJ45 port. Is there any way to connect it to a LAN?
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231 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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what causes slow ssh connection and slow mysql connection on local server?

There's a huge latency when I try to connect to our server (Ubuntu server 192.168.53.1) through SSH from a client PC (windows 7 + putty: 192.168.53.X) in a LAN. It takes like a minute for the ...
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Allowing communication only from one network to the other using 2 routers

I have our office LAN. In this LAN a small amount of computers has a separate lan that can comunicate with the main one but not vice versa. Big lan is like 10.0.0.x and the small separated one is ...
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988 views

Astaro Security Gateway Firewall/Proxy won't let me access my local webserver: is PAC file the best solution?

I have this Astaro Security Gateway Version 7 which acts as a firewall and proxy... I need to access from all the office to a pc on my lan that has apache on it: 192.168.1.100 When I open it Astaro's ...
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674 views

Slow remote desktop connection to VPS

When I use Windows 7's remote desktop connection to our company's VPS (Win Server 2008 32bit) I receive a very slow connection - most of the times it actually grinds down to a complete halt. This is ...
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webserver access problem

I forwarded public IP address to local IP 10.10.101.xxx(server address). On that server is my web. From LAN I have typing 10.10.101.xxx to view website.How to set the LAN to access on my website with ...
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199 views

How to detect weak points in my lan

I am starting to "polish" the LAN here at my new work and since it's the 1st time I face sommething that big (almost 300 clients a switches, proxy) I would like to understand easily where I get weak ...
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Should / Can I use DNS Records to list “Private Hosts in Private LANs”?

This is a theoretical Question: Given I have several Serves that both have a Public IP Address as well as a private IP Adress (192.xxx Range). Both Addesses are used for different Services. I do not ...
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921 views

Setting up VPN access over home dsl router?

I have a ADSL connection at home, however it is not static ip address based, and the ip changes every couple of hours. here is how the setup looks like Internet ------ ADSL Router --------Internal ...
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462 views

Search for files on file server

I need a software that would let me search files on my file server from other computers on the local network. My file server runs OpenSolaris. Preferably something that would offer the search via web ...
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1answer
375 views

Cisco Router/Firewall Port Forwarding

We have 8x IP CCTV Cameras and 1x NAS for recording on a LAN (with an internal address range) and port forwarding from a single WAN address to connect to each. For instance, by connecting to port 8009 ...
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432 views

802.1x authentication on LAN

i want to configure a linux as gateway (dhcp and nat) and i would like to add 802.1x as authentication protocol. My question is, i remember in the past, that it has a strong connection with the port ...
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111 views

How to find free machines connected to a network?

I am connected to a campus network. I have access to all the machines. I want to run some simulations on some of these machines. For this purpose I need to find out machines on the network on which no ...
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253 views

how to configure asynchronous ppp connection on a lan

how can i configure asynchronous ppp connection on a lan so that ppp connection to ISP is made (the Internet) only when there is a request from a local net to and disconnect if there is no activity ...
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156 views

Is there a network ID for host among LAN?

A router exposes itself to outside by IP like 66.249.89.104 and many hosts can connect to it to form a Local Area Network. My question : Is there a way to identify a specific host in that LAN? All ...
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246 views

VLAN vs traditional switch technology

Would you say Virtual LAN (VLAN) is superior to a traditional hardware switch? What are the pros and cons of using either of these technologies?
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Erratic windows LAN behaviour

Client has a LAN comprising about 8 windows xp professional computers and a windows server machine. My software runs on all 8 and share files stored on the server. A problem has arisen with the ...
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182 views

Connecting Two LANS

I have dd-wrt installed on the firewall to my network and I would like to have two external IPs by having two routers and connecting their LANS. I already have two external IP addresses. This way we ...