Networking is the art of connecting two or more devices together so that they can communicate with each other.

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CentOS 7 minimal install can't detect ethernet

I recently installed CentOS 7 on my desktop computer and decided on the minimal install. It couldn't find a network device in the installation process, but I went ahead and installed it anyway. ...
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1answer
2k views

How do I update my routing table to accommodate VPN without using remote gateway?

Windows 7 x64 I have a VPN connection to my work network. It works fine if I have the "Use default gateway on remote network" is checked, but I don't want that. I know I need to update my routing ...
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2answers
740 views

Chromecast Stream from Android Phone to Laptop via Ad Hoc Network

I want to mirror the screen of my Android phone (HTC Sensation) on my laptop wirelessly. Google Chromecast looks like a good solution to this - how would I set up an ad-hoc network so that I can view ...
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1answer
16 views

Can only connect to various HTTP services (game patchers, Unity Store, NuGet) from one wireless network

Ever since I've connected my (Windows 8.1 running) laptop to the (rather weirdly set up) university halls wireless network (well it might be actually be the wired, but I doubt it), it won't connect to ...
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0answers
7 views

Intermittent connectivity issues with some sites

I have a weird Internet connectivity issue that started a few weeks ago; basically, some sites frequently become inaccessible (I get a timeout when trying to open them in a browser) while others ...
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4answers
3k views

1 modem, 2 routers, 2 different networks

Setup: ISP + + --------------------- ----------------------------------------- + | Internet Modem | | Router 1 | + | | | ...
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1answer
12 views

2 dhcp server with one pool

I want to know if there is an option to have two DHCP servers with one pool. The reason for this unorthodox setup is, I have two router in remote locations on the same LAN (10.0.0.0) And sometimes, ...
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0answers
7 views

Cannot connect to wifi in windows 8.1 for my new HP laptop

I just bought a new HP laptop 15-d035dx and it has a pre-installed of Windows 8.1 in it. My problem is I cannot connect it to my home's wifi router. All the devices such as ipad, iphone, samsung s3 ...
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0answers
11 views

Why does “sudo ifconfig eth0 down” followed by “sudo ifconfig eth0 up” stop dhcp?

I am playing around in Ubuntu 12.04 trying to learn about networking. I learned that you can delete a network interface by running sudo ifconfig name_of_network_interface down However, when I do ...
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5 views

Configuring Airtel Beetel 450TC1 ADSL2+ Router for local RJ45 cable internet

Please help me configure my Airtel Beetel 450TC1 ADSL2+ Router for local RJ45 cable internet (my ip lookup suggests my ISP name as smartlinklink broadband services pvt ltd) Here are my current ...
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2answers
57 views

How do bots access directories on a server that are not DocumentRoot of public IP address? How do I stop them?

I have a local network set up with apache2 and "named" running on OpenSuse 13.1 Linux. I used the "named" service to use my computer as a domain server. I set up my router to point to ask my computer ...
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1answer
7 views

Why PPPoE Connection fails with error 691 - ADSL2+ Modem

On Windows 7, an ADSL2+ modem is used to connect to my ISP using a PPPoE connection. 1-Username and password are correct. 2-The modem is configured to accept bridge connection with my ISP VPI VCI ...
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2answers
333 views

Acer Aspire 5750: Original Intel drivers deleted. Current wireless driver becomes disabled

I clicked "Refresh my files" on Windows 8 by mistake and it deleted all my drivers. I have an Acer Aspire 5750 but all the drivers were from Intel. I found a driver that let me connect to the ...
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0answers
15 views

Multiple Network Cards (16) on Windows Operating System. Random failures with UDP/SNMP

Please help me with this issue. Please be patient and read through. I have 4 (4 port ethernet cards) for a total of 16 ethernet cards on a single PC. First Ethernet card IP(10.10.0.10) is connected ...
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2answers
24 views

how to find if port is blocked by router over ssh

I have my own distributed app that connect over TCP to several remote machines, i have ssh access to these machines, my program uses a specific port "3333", when my app fails to connect to the ...
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2answers
36 views

Setting up a local network

I have an old computer with two network cards and I've installed Ubuntu Server 12.04 LTS on it. I have an old router d-link des-1024d. I want to plug the internet into one network card and the router ...
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4answers
3k views

Use LAN to interface Synergy while having WiFi connected to internet

Similar question and solution I have LAN and WiFi connection, with the WiFi connected to internet and the LAN is simply connected via an Ethernet cable between two computers. I need to get Synergy ...
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2answers
11 views

dig not working in a virtual host environment

I have installed three virtual machines (RHEL 6) on virtualbox, and attached a bridged mode network to all machines i have to use my first machine to be a DNS and the second and third machine should ...
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0answers
11 views

How should I setup two VLANs on the same ethernet port with one being untagged?

My ISP is also my TV provider using IPTV. What happens is I get a public IP address on my router but before that there is a switch that all the IPTV STBs are connected to plus the router. It didn't ...
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1answer
32 views

Not able to open any site other than Stackexchange, Google and some others

I was using a DSL modem to connect to internet earlier, but recently I have bought a TP link wireless router which I am using now. For 2 days the router worked fine but today I am having some problems ...
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0answers
321 views

OS X Mavericks “Share Internet from Ethernet to Wi-Fi” fails after a period of time

When the computer first boots up, I can share Internet from Ethernet to Wi-Fi without a problem. But after a few days, it starts to malfunction. I notice that when the Wi-Fi is shared, in the place of ...
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1answer
72 views

Windows 8 Hyper-V sporadic network connectivity

I have a Windows 8.1 pro host and an 8.1 pro VM. I'm using an external virtual switch to allow the VM to connect to the network and get internet connectivity. When this works, all is dandy and I can ...
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1answer
38 views

Can not access localhost by external ip

I know there are various documents available on web giving the steps to do this but I am not able to fix the problem -- I have an angularjs project which is running on localhost (and os is ubuntu ...
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0answers
9 views

need suggestion for a network color printer under 550 $

we need suggestion on buying a worthy network color laser jet printer main requirements being: 1. network printer 2. laser jet 3. print per minute>10[+/- countable] 4. print quality: Must have to be ...
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1answer
31 views

Server 2008 VPN isn't working, DHCP coming from a different source

Alright, I have a Windows 2008 server running. It serves up DNS but not DHCP. I want to have VPN running on it, and my understanding is that you can do this as long as you set the DHCP relay server ...
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5answers
7k views

how to use netstat to show what process is listening on a port

I'm on an OS X mountain lion laptop and have a couple of Vagrant boxes on it. I'm trying to figure out which process is listening on port 8080. My variations produce like a hundred lines but none ...
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2answers
13k views

Why is Windows 7 computer not visible in network?

I have just added a Windows 7 Pro computer to a network. All other computers are XP Pro and the Win-7 computer is supposed to be a file server. At first, Win-7 set the network as "unknown network", ...
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0answers
13 views

Configure VM network settings to ssh into a mininet VM

I am trying to configure my VM (mininet vmdk) network settings in order to ssh into it from my host machine. I am using virtualbox as my hypervisor. Per the Mininet instructions ...
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1answer
3k views

Why does pinging a local router return “Destination Host Unreachable”?

I have two tomato routers. One is bridged wirelessly with the other. I have a new server on the network. It's running Ubuntu Server 11.04. They are all connected like this: A - Linux PC B - New ...
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21 views
+50

iSCSI drives not reconnecting on reboot

So, I have two iSCSI target drives attached to my Windows 7 x64 Ultimate install. Every time I reboot my machine, for some odd reason the drives in the iSCSI initiator show a status of reconnecting ...
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1answer
17 views

Difference between configuring DHCP and starting service

On http://technet.microsoft.com/en-us/library/ee441263(v=ws.10).aspx, it says to configure and start DHCP on server core, do the following: At a command prompt, type: sc config dhcpserver start= ...
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1answer
3k views

How do I view the my network map in windows 8.1?

I've recently discovered an extremely useful feature called Link Layer Topology Discovery in Windows 7 - I click on "See Full Map" in the network and sharing center. And it outputs this lovely, ...
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1answer
26 views

Connect Wired Lan Router to Wi-Fi Signal

I have a router that runs a small wired LAN. Right now this router is connected to an ISP -- also via a wired connection. I want to have the option of using the ambient Wi Fi, which is often more ...
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1answer
25 views

IPv6 subnetting - coverting decimal to hexadecimal

I came across a question on IPv6 subnetting, You work as a branch network administrator of a large company with offices in many cities around the world. The corporate network is currently in ...
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0answers
17 views

Is it possible to multiplex 5 flatscreens to one tower and get NFL network online rather than thru DirectTV?

I am tryin t to work with a small business and DirectTV wants to charge 750.00 a month for nfl sunday ticket. I believe the service can be paid for online, if I run a t1 line and build the tower with ...
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1answer
19 views

Decision to make a NAS server

I have a 1 TB seagate external HDD with four partitions on it. Many a times my Windows 7 does not allow to me to "safely remove hardware" - I googled on solving this in the first place, only to find ...
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1answer
30 views

Bridge Citrix Desktop Network to Host Computer

The project I am currently working on requires me to use a Citrix desktop client. While the Citrix desktop client isn't all that bad, I am not (nor will I ever be) an admin in that desktop ...
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0answers
40 views

How to configre network card on centos?

I have a fresh install of Centos on a machine with two NICs, one built-in and another one installed in PCI slot. However in the network settings I get one shown as wired connection picking up IP from ...
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0answers
24 views

Connecting an external server as a subnet to another network

I haven't had any luck trying to find the answer, or much for information to my problem. I have my home network and a server off site. I would like to be able to connect them together some how so ...
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0answers
867 views

No DNS requests in Windows 7, nslookup works, ping and tracert can't resolve

I was trying to bring my old desktop computer back from the dead and faced a problem I couldn't deal with. The main issue is what I've written in the title - nslookup works, ping and tracert give a ...
0
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1answer
32 views

Why do I get different connection speeds when using local vs public IP?

My home server has a dynamic DNS service attached to the public IP, and I usually connect through it even when at home. However, I just noticed that SFTP'ing through the public IP has a huge impact in ...
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0answers
7 views

OSX Convert and Network User to Mobile User or force all Network Users to Mobile

We have Macs that I am working on binding to LDAP (not AD) and I want to make sure when a user logs in using their ldap credentials that it either create them a Mobile Account or it runs a script to ...
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3answers
3k views

Google Chrome “resolving host” error on every DNS except OpenDNS

Pretty much what the title says. I'm running Windows 8 x64, using a USB wireless adapter. Things I have tried -ipconfig renew/release/flushndns plus system restart -trying various DNS' (Google, ...
0
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1answer
17 views

Verizon Fios Wireless router and ethernet outlets in various rooms of the house

I have Verizon FIOS and with that a Verizon wireless router (in a closet upstairs) in which the 4 ethernets ports are connected to a panel where there are 4 ethernet ports. Each port from that panel ...
4
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1answer
5k views

How to create/delete a HomeGroup in Windows 8?

I never used homegroups. Now, when I enter HomeGroup control panel page, I see that somebody has created homegroup on the network. User name and computer name displayed. I don't know who is this. I ...
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1answer
26 views

Modifying Wireless components of a network, to become Wired

I'm wanting to change the configuration of my home network. A partial schematic of the network is as follows: when I say "partial" there are other things connected to the ADSL router which for ...
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2answers
29 views

Subnetting based on networking needs

I am unable to visualize the solution to the following question Your company has obtained the 131.107.168.0 /21 address space from an ISP. You now need to design this address space to accommodate the ...
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0answers
24 views

How does Google, GoDaddy, Facebook connect to the internet? [on hold]

How does Google and their datacenters and servers connect to the internet? Do they buy fiber optic lines from one of the Tier 1 networks (Level3, AT&T, Cogent, NTT etc...) or something else? From ...
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3answers
36 views

Getting External IP via PowerShell

I would just like to Get External IP via Powershell Just IP address no header or anything. I try many things such as (Invoke-WebRequest ifconfig.me/ip).Content but it has this extra second line ...
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1answer
18 views

How to get assigned IPs by hostednetwork?

I just started using Microsoft Virtual WiFi or hostednetwork from Command Prompt to share my internet connection through my WiFi adapter and it's good so far! The only issue I face however is that I ...