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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Change Gateway doesn't work on Windows 7

This PC was configured with 192.168.6.1. But I tried to change it to 192.168.6.51. Although route print showed the default gateway is 192.168.6.51, but the packets next hop is 192.168.6.1. IPv4 Route ...
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1answer
15 views

How can i use two internet interfaces on osx on mac book pro [on hold]

I have macbook and for normal internet i have wifi. Now i have USB etherent which basically uses LAN from company network. Now i have configured Outlook on mac to link to company so that i can ...
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17 views

Fast & Traceable copy of 2 TB data over Gigabit LAN from Ubuntu live mounted Volume to Synology NAS (Win SMB, NFS, Mac AFP)? How?

Fast & Traceable copy of 2 TB data over Gigabit LAN from Ubuntu live mounted Volume to Synology NAS (Win SMB, NFS, Mac AFP)? How? I am going a Data Recovery using a Unbunto Live CD (14.x LTE) ...
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1answer
49 views

Two network adapters for a machine to double the transfer speed [on hold]

i am new to this. In my scenario, i have a desktop pc running windows 7 and planning to set up a local web server using xampp for big file transfer in the lab. The problem is that,there are 80 ...
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0answers
23 views

How can i discover submask and DNS on new lan, using Kali? [closed]

Hello I'm faily new to linux systems and to keep it short, this is my situation. I moved to a college dorm for summer time and we have free internet accesa here, on cable. Problem is the the ISP guys ...
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1answer
34 views

Intermittent server LAN drop

I've been trying to hunt down a network issue we've been having for a while. We have two Dell T310 servers running Windows Server 2008 R2 on them. Quite a few users have complained that they get ...
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0answers
9 views

Arris TG862 Local Network Problemes [closed]

I just changed of internet provider (Some Phone Issues), but now, i got a Arris TG862, and it seems like all the local network configurations i had, of media servers (miniDLNA), and work server of ...
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2answers
719 views

The challenge of connecting the network of two building

Scenario I am working in a company where the building with 3 floors (ground + 2 floors) and the current network is running normal is mixed CAT 5 and 5E, 3Com 4200 series / HP 1910 series manager ...
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1answer
82 views

Track Source IP of dropped packets

I've got a Linux server running CentOS 7, and I've been facing an issue where the RX dropped packet count keeps increasing. I believe it may be caused by a faulty cable/connector in the network; ...
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29 views

Force local IP traffic to go through LAN WITHOUT ip address changes

I know there's some topics about forcing local IP trafic of a Linux machine to go through the LAN (over the network where a WireShark is captuting trafic) but all solutions implies IP address ...
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33 views

Using VPN inside and outside of LAN (2 IP adresses)?

I have just setup a small VPN server racoon/strongswan/etc. (192.168.0.100) in my home LAN (192.168.0.0/24). The LAN consists of a single TP-Link router (192.168.0.1) and various clients ...
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21 views

FreeBSD Inconsistent Ping

I have installed the FreeBSD in a local machine. When I try ping from another Windows PC(Say A) connected in same local network I am getting different output each time. 1st Ping Pinging 192.168.1.35 ...
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2answers
79 views

Lightning/surge risk of Ethernet cable run inside an exterior wall [closed]

In a previous question, I had planned a Cat6 (Ethernet) cable run outside a home, adjacent to a coax run. I was advised against it, and I'm interested in taking that advice. Now I'm considering ...
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0answers
34 views

Local web application as a captive portal with out authentication?

We are in the final stages of developing an in-browser mobile app which will run in a non Internet-connected environment (on a submarine). We are running a server inside the submarine (Windows 8 ...
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1answer
31 views

Public Wi-Fi with Individual Authentication and Time limit for Internet Access [closed]

I would like to change the way that my costumers access to the internet. I would like to enable two ways for sharing my internet: With my wireless network as public, I would like to give a username ...
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0answers
57 views

Windows 7 Network Adapter Periodically Shows Disconnected

Description: My company is currently working on a project that utilizes 2 servers, and 1 client, running on an isolated network. Periodically, one or both of the servers will lose network ...
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1answer
162 views

Surge protection for outdoor network cable run [closed]

I'm going to have a network cable run between floors of a home, and most of the run will be outdoors, up the side of the building. I ordered a spool of shielded UV-rated waterproof Cat6 cable. From ...
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4answers
95 views

How to access a machine with a wrong network address?

I have a Windows Active Directory network in a LAN of addresses 192.168.10.0/24. I have another site that has addresses of 192.168.11.0/24, where all AD servers are in the 192.168.10.0/24 site (I ...
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1answer
15 views

IPv6 dead before receiving ICMPv6 ping

TCPv6 and UPDv6 are dead until server received ICMPv6 ping. Further analysis shows that actually TCP and UDP packets won't even come to the server. But after receiving ICMPv6 ping, everything starts ...
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1answer
22 views

Local Server Website Doesn't respond as soon as lose Internet Connectivity

I have hosted a local website in my organisation where student are accessing the local website locally from IIS server windows 2012 r2 Server,and we have 24 x 7 internet connectivity where the same ...
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1answer
43 views

Only second ping succeeds - maybe arp?

i tried to set up a local network without any routers etc. Components are one notebook (Win7), a compact embedded 2013 board with two lan interfaces and a pc(Win 7) with also two lan interfaces. The ...
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2answers
104 views

Where should the preferred DNS server be in a LAN?

I had a hard time formulating this question’s title, but I think I’ve stated it correctly. My question may stem from a misunderstanding, so I will explain what happened to cause me to think I might ...
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0answers
27 views

Cisco 2621XM Configuration with Comcast Business Modem

I have a Cisco 2620xm router that I have ran into trouble getting it to connect to a comcast modem/gateway for internet service. The router and modem used by Comcast is a DPC3... The interfaces on the ...
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0answers
51 views

How can I create routes between two separate LANs

I have a ASUS RT-AC66U with merlin firmware, how can i create a connection between 2 different subnets, whitout using Vlan's ? My Server subnet is 10.10.1.0 255.0.0.0.0 Asus router and client ...
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1answer
61 views

dns bind not working nslookup gives servfail

I am connected to a reliance wifi connection obtained a 192.168.0.101 ip. 192.168.0.1 as primary dns. I configured dns bind to give name to my server process. To test that locally i changed the ...
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0answers
23 views

Fallback to backup server upon failure of main server without third machine

I will soon need to setup a database server on a budget. We are planning to use Postgres on Ubuntu (most likely) and we'd like to have a backup server. For replication, I think I'll just use ...
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1answer
29 views

CISCO SSL VPN (multiple Sites) [closed]

I'm having a small issues and I'm sure it's NAT related. Our Users connect to SSL VPN in Ft. Worth. We also have a site up in Dallas. There is a current Site to Site connection there with full ...
3
votes
1answer
187 views

IPv6: No NAT / Local Addressing + ISP Offline

I've been reading some articles about IPv6 and I'm currently playing with some addresses on a VPS. Recently I was thinking on a typical home/office IPv4 network. We're used to have a local DHCP ...
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1answer
108 views

Network printers randomly print blank documents

We have two printers connected straight through Ethernet without a print server, one is a Samsung M2875FD, and the other one a Dell 1320c. Since we installed the Samsung printer, everybody noticed ...
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1answer
77 views

lan to wan connection refused by windows firewall

I have plenty of experience with LAN's and bridges however this is my first time using a WAN style setup... here is a diagram of my network WAN (public ip & 10.1.10.1)---COMP1 (10.1.10.2) ...
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94 views

Configure WiFi and LAN network to use the same Kerio DHCP server

We have a local network in the company: An Ubuntu server hosted for VPS. Kerio Control Appliance 8.5 installed on VPS as internet & DHCP server . WiFi modem connected to eth0 of Kerio. eth1 of ...
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2answers
60 views

Can I connect many switches to a switch? [closed]

I am trying to make a campus network.I haven't any experience. In campus,there are center building and many buildings.I use many switches(for pc,phone,sec-cameras) in a building.And I want to connect ...
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1answer
130 views

Accessing a samba share from a separate LAN [closed]

I have 2 LANs at home : A main LAN running behind my ISP's modem (acting as a router with an IP address of 192.168.0.1, which I'll refer to as router A). Attached to this router is a Raspberry Pi at ...
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1answer
28 views

cisco asa 5512-x policing

I have a single 100mb leased line that will be shared by three unrelated companies. We are looking to buy a cisco ASA 5512-X and I need to use policing to ensure that each company receives 1/3 of ...
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1answer
52 views

Accessing Local Web server on my LAN error

I have looked at the other questions related to this on SO, Googled and looked in my Window Logs. I have a local web site on a PC that is DHCP assigned. It is a MVC web site using IIS Manager. On ...
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0answers
80 views

CISCO 2960X Access Switch Issue Random Limited Connectivity Issue

I have a CISCO 2960X Access switch which is configured in 8 Stack. IOS Version 15.0.2EX4 Software Image: C2960X-UniversalK9-M The System is connected VIA the CISCO IP Phone (7942G)and and then ...
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0answers
53 views

SQL Server Connection Issue with New Router But Works With Old Router

I have an issue that really has me stumped. I have a router that is overheating and needs to be upgraded. When I connect the new router and configure it with the same DHCP settings and IP ranges as ...
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1answer
271 views

Captive portal popups: the definitive guide

I'm manually implementing a WiFi captive portal. I've got everything pretty much working BUT a single hitch: i want everyone to see their mobile OSs' (or computer OSs') captive portal popup for a ...
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1answer
240 views

How to use two different ISP on same LAN with one Ethernet switch?

Sorry if same question is asked on Stackoverflow. I searched and tried some configuration but are not working in my case. I have a LAN with 6 machines which are on same network (each other can be ...
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2answers
51 views

Is there a way to control Internet usage on LAN? [closed]

I have a network with many client PCs. I have to block Internet access for some of the users and allow it for others. Is there a way that can control Internet access, or filter and allow based on MAC ...
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1answer
164 views

Cannot connect to the Internet, Limited Access(Ethernet), Windows Server 2012

I am using a Windows Server 2012 for my institute, due to connectivity issues I uninstalled the services AD DS, DHCP, DNS. But after the uninstall the server is unable to connect to the Internet, ...
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0answers
14 views

Network Vicinity View doesn't show agent managed PCs

Network Vicinity View in my SCOM only shows other network devices+management server, but does not show any agent managed computers, why is that? Or is it supposed to be like that and i'm missing ...
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0answers
27 views

Cannot reach another station in wireless LAN

I have two stations (A and B) connected to the same wireless LAN by a wireless router (R). These stations and the router are placed in a crowded location and sometimes they fail to communicate (e.g. I ...
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0answers
97 views

Make lan ip's available to external devices over openvpn [closed]

My goal is to make my home media library available to external devices. External device ====== OpenVPN Server ====== unknown Modem ----- OpenWRT --- lan machines External devices are OpenVPN ...
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1answer
52 views

iptables: when to use input or output with LAN connections?

In a SSH server/firewall (192.168.2.3) that has a LAN behind it, say 192.168.2.1/30, will the connection attempts made by the internal machines of the 192.168.2.1/30 network be interpreted by the ...
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1answer
79 views

how to connect 2 networks with different routers

I have a TP-Link TL-ER6120 VPN router and a Cisco RV-180 VPN router. I want to have 2 networks with two routers connecting each other. My network is the following: Internet -----> TL-ER6120 ...
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1answer
33 views

Map ports from 2 switches to simulate a straight through physical link [closed]

Is it possible configure 2 brocade ISX 6430 switches connected together to directly map a port on switch 1 to another port on switch 2 so that whatever is plugged into the port is treated the same as ...
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1answer
336 views

Redirect DNS requests for 8.8.8.8 to a local DNS inside a LAN

I have a local network (10.0.0.0/24) with a gateway (I'll call it G, IP 10.0.0.1), a device (I'll call it N, IP 10.0.0.31) making DNS requests directly to 8.8.8.8 completely ignoring DHCP setting for ...
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1answer
58 views

IPTables from public ip and port to lan ip

I own 3 public IPs for my server and I have multiple VMs that have their own 'job'. The server has 1 NIC. Public IPs: XX.XX.9.247 (MAIN) XX.XX.21.141 (additional) XX.XX.21.142 (additional) LAN ...
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3answers
51 views

Must a L3 switch always have an IP address?

I have 3 L3 switches connected as shown below: All devices are in the same subnet and have IP addresses : 192.168.150.X/24 Shouldn't the switches be able to forward traffic without requiring IP ...