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 connect Centos server to the outside world [closed]

I configured the eth0 interface to receive network-connection from my iMac to wich this computer is connected to with an ethernetcable. Configure is a big word here since I only changed the ONBOOT key ...
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1answer
424 views

How do routers combine WAN and LAN traffic (packet data over wifi and ethernet)? [closed]

In my office, we have a leased line connection which is shared by some 20 users over wi-fi. This causes congestion on the router's end, resulting in slow speed due to high packet drops (and consequent ...
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25 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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2answers
81 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 ...
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84 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 ...
2
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3answers
237 views

How to move a Panasonic kx-t7633 Phone

We have Panasonic kx-T7633 phones and I need to move them across office how do I activate or fix the connection after I move the phone Looked at the manual but no answers and googled it as well any ...
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1answer
192 views

How can I access a server on local network using its public name?

I have a problem in which I cannot access a server using its public name from the same network as the server. Access to the server works fine from the internet. Reading up on this problem, I've ran ...
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2answers
504 views

Can a computer route IP trafic between two LAN if it is not configured as gateway? [closed]

Having two LAN, each one have its own gateway, DHCP and internet connexion LAN 1 - IPs: 192.168.0.0-255, Mask: 255.255.254.0, Gateway: 192.168.0.1 LAN 2 - IPs: 192.168.1.1-255, Mask: 255.255.254.0, ...
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2answers
484 views

Why single file transfer is not faster than 50MB/s over Gigabit LAN?

I ran some tests on our gigabit network. When I transfer a big file (10GB) from a windows 7 computer to another, the troughtput never exceed 50Mb (it start at 80MB/s for one second then slows down to ...
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1answer
464 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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1answer
56 views

How to integrate a separate sub-network within a customer's existing LAN? [closed]

I work for a machine builder, and our system has it's own ethernet network (192.168.1.x) with a switch and a dozen devices, most of which have firmly established static IP addresses. For our next job ...
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1answer
235 views

is it possible to use ms loop back adapter to setup local vlan

Is it possible to use Microsoft Loop back adapter to set up Lan connection between two computer which is logically isolated from the main network? 1st computer: has a regular ip stack 192.168.1.x ...
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1answer
105 views

Cannot reach website from outside of LAN [closed]

I am at much of a loss here, guys. I am running an Apache HTTP webserver from my laptop and I am unable to reach it from outside the routers borders/LAN. I cannot seem to ping it outside LAN and when ...
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2answers
40 views

Avoid connect 2nd DHCPs on 1 LAN [closed]

I have a LAN network using Draytek 2910 with DHCP. The network goes through 20 different rooms. At first everything is working good. Suddendly the network keep losing IP addresses every 30 t0 60 ...
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2answers
223 views

Excessive ARP request with no reply

I had been monitoring our LAN setting due to slow bandwidth. In the wireshark, I am seeing an ARP request that is never resolve to a MAC address from the same IP address. I did a NMAP scan, the ...
0
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1answer
26 views

Strange issue on netadapter lantronix matchport bgpro

I'm connected to a switch on a LAN, i've tested my matchport on others network and i've not accused this problem. On this istead i seen a lot of UP and DOWN of eht0 on startup. Someone know something ...
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1answer
60 views

Active Directory Domain Controller Configuration with one internet connection & one lan card [closed]

I have a confusion since long time. "I have configured AD on my win server 2008 R2 system and i have one internet connection with only single lan card. thing is that while i am assigning Static IP ...
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2answers
83 views

Use NGINX to present local HTTP server?

I have a CCTV server running on a local IP address. When our staff want to login remotely they first need to connect via VPN to gain access. I would like to allow access without the need for a VPN but ...
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82 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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0answers
150 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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1answer
186 views

How do I transform a LAN subnet to another? (VPN)

I've set up a VPN with a LAN behind it. VPN : 10.2.1.X LAN : 192.168.1.X When I connect from outside where the router via DHCP assigns me a similar IP to my "original LAN" (192.168.1.X) everything ...
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1answer
806 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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2answers
113 views

Which way should we choose to shorten backup time?

A company performs a full backup for its data in a daily basis for disaster recovery purposes. However, their backup process cannot be completed within the assigned backup time window. What would ...
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1answer
26 views

Domains in local network for websites [closed]

I have installed XAMMP on my local win. server, how can i setup for every website a local domain like. "web1.lan, web2.lan, web3.local"? I already use static IP Adresses in my network...
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1answer
53 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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292 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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3answers
101 views

“Mail server” on small LAN network [closed]

What is the best way to go about the following issue? There are about 7 machines under Win XP Pro, each has its own email client (Outlook 2007) with own accounts (eg. gmail, yahoo etc.) I want to ...
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1answer
114 views

I need a 5th port on a 4-port modem [closed]

I'm managing a big building, with a lot of services/vendors and I have a DMZ'd 4-port cable modem, Model: SMC8014, that has 4 separate networks branching off each of its 4 ports. Each network has its ...
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1answer
185 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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1answer
69 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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72 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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1k 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 ...
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1answer
58 views

can netgear RP614 be configured to enable promisc listening? [closed]

can I confugure NetGear RP614 to be able to receive all packets (packets from and to all machines on my LAN) and inspect them in Wireshark? I enabled promisc on eth0 and in Wireshark but still can ...
2
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1answer
196 views

How to split LAN into two separate LANs using same internet connection

I have a router ZyXEL P-660HN-T3A and Switch ZyXEL GS1100-24 and I need to separate 2 ports on switch so clients connected to this ports can't see/access the others. I need the same thing to do with ...
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1answer
289 views

TCP/IP routing: accessing a LAN device with wrong static IP configuration

I forgot to change the static IP of a network device before moving it from my datacenter network to my home LAN. Since it isn't configured properly for my LAN network, I'm not sure how to access it. ...
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2answers
681 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 ...
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65 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 ...
1
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1answer
83 views

VLAN over three switches

We are connecting three offices via fiber optics. For each office we have one switch. In each office there will be one PC which has to be isolated in a VLAN A. There will be other PCs but those three ...
0
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1answer
66 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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votes
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 ...
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2answers
501 views

How to connect 2 Physical Networks with 2 Separate WAN together

My customer has two small companies in two separate buildings that have merged. The buildings are 30ft apart, so they ran an outdoor, buried CAT6 cable between them. They want to use the main ...
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3answers
141 views

External hard drive connected to lan [closed]

Is there a way to connect an external driver to my lan network (direct connection, without having any PC opened) and then access it from any device from lan? Like a network drive? If its not ...
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1answer
55 views

How to add access to a host via symbolic name?

From one LAN I have access to the host 10.0.0.*** via symbolic name say a007, which was added to my /etc/hosts as: 10.0.0.*/*/* a007 But now I need to use this host as a007 from another LAN and I ...
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3answers
92 views

Create a /16 (255.255.0.0) local network

My bare knuckles networking understanding led me to believe that if I set an IP address of, for example, 10.0.2.25 with netmask 255.255.0.0 on a machine, it should see all hosts in the subnet ...
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1answer
163 views

Broke my company's network, how do I get it set back up? [closed]

My dad moved his office. The new location will only have WiFi access, but he still needs his server setup and the other machines connected to it. The server (don't laugh) is an old Windows NT 4.0. ...
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1answer
184 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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1answer
163 views

how to connect two different lans [closed]

I have in my office two different LANS with two different ISP. Lan A is faster than Lan B. We want to share files and printers and everything as if it was only one LAN, the thing is that we don't ...
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1answer
131 views

Is Cisco Misquoting the Nexus 7000 specs [closed]

Looking at the following image: http://blogs.cisco.com/wp-content/uploads/7000-family-550x358.png Cisco is quoting the 7009 as having a 10GigE density of 336 and a backplane bandwidth of 550G/slot. ...
2
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1answer
215 views

Is a Fabric Module required for a Nexus 7009, or is it part of the Chassis?

I noticed that Cisco lists separate fabric modules for the Nexus 7009 switch. If I were to simply buy the Nexus 7009 Chassis (N7K-7009), what would I need at minimum? I just want to confirm, but I ...
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197 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 ...