For questions on connecting devices together so that they can communicate with each other, as well as on networking equipment such as routers and switches.

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1answer
128 views

What do virtual network adapter (for guest) do on Host computer?

What do 'VMware Network Adapter VMnet1's represent in my Network Connections? And how is the Guest still able to connect to the internet even after I disable it? I might me missing some concepts of ...
1
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1answer
1k views

How do I get my original MAC address?

I am using Windows 7 Home Basic. My laptop's MAC address was changed by a hardware support person to facilitate my Internet connection. How can I get my original MAC address.
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1answer
1k views

Conflict of VPN allocated IP address

In my work place, my allocated private IP is 192.168.2.10, and I need to use VPN (PPTP) to another network, which also allocate IP in the same subnet, e.g. (192.168.2.20). What are the best way to ...
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3answers
3k views

How do I access my apache server from a virtualbox vm? (both windows)

host: Windows Pro 7 x64, wamp installed, default settings guests: 3 x Windows XP How do I access my wamp server from my virtual machines without making it available to the internet? (you know, that ...
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2answers
315 views

Simulating an Ethernet switch

I have an ADSL line at home with a somehow good speed (1.3 Mbps) and I'm sharing it with three other PCs with a simple ethernet switch. yesterday I started to download simultaneously on every 4 PCs. I ...
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2answers
254 views

Why would I get slower uploads on a Windows machine than my Mac?

I have a proprietary app, written in Java, that uploads files to a server via multiple HTTPS POST requests. There's a Mac version and a Windows version. On the Mac, we easily get 3-5mbps upload ...
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3answers
4k views

Issue setting up VLANs on Netgear switch

I am trying to set up a VLAN on my Netgear switch (GS105E). I want to create two separate networks and I want both of them have internet access. My setup is modem connected to router ...
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3answers
1k views

Chameleon Bootloader: Install Ubuntu Netbook Remix from USB flash drive?

hi there i have an Dell Mini v10 and tried to install OS X onto it. Wasn't too happy with the performance and so I want to install Ubuntu. Problem is: I have installed Chameleon Bootloader and when I ...
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1answer
383 views

UNIX approach to capturing video from webcam across a network

I have two Linux computers on a LAN (call them Foo and Bar), and I'd like to find a way to capture stream video from the webcam on Foo to Bar. I'd like to avoid using a GUI client which uses a ...
6
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1answer
5k views

How to deliberately introduce a delay for incoming UDP packets

I want each packet (that match iptables rule) to be delayed by some fixed time interval. How to to this? Preudocode: iptables -A INPUT -p udp <more conditions> -j DELAY --delay 50000 # delay ...
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2answers
7k views

How do I generate broadcast storm?

I started to study networking and I have two cisco switches, and I want generate broadcast storm to test Spanning Tree, How do I do?
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1answer
1k views

How can I monitor total transferred network traffic on a given interface

I need to monitor the amount of traffic that has passed through a given interface (mobile broadband dongle), so that I am informed when the total reaches (or nears) a given amount. I have practically ...
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3answers
5k views

Networking and routing of private IP ranges

Internet servers are not supposed to route private IP ranges such as 192.168.x.x. How do they achieve this? Should an administrator enable a specific firewall rule on the router or is it coded in ...
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1answer
841 views

Browser can only open Google and MSN

I have setup vlan on my router using DD-WRT. Everything works fine except vlan2 computer can only visit google.com and msn.com (they got unable to display the page when visit amazon or ebay). When I ...
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1answer
9k views

Internet not working in bridged mode in VMware instances

I need to give my VMware based virtual machines IP addresses so that they are recognized over internet(such that they act as webservers). I tried by setting the bridged mode enabled under Network ...
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3answers
239 views

Does hiding a WiFi network help against interferences?

Recently, I have been having problems with our network cutting in and out while streaming music. We think it may be other people's networks interfering with ours, but with changing the channel again ...
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3answers
4k views

WiFi Signal and Metal Building

The place that I work at we have two buildings next to each other and one across and in-between the two that is made out of metal. We want to extend our WiFi coverage to the inside of the metal ...
3
votes
1answer
759 views

Are crossover and straight network cables interchangeable?

Can a crossover cable be used as a normal cable too, when using with a router, switch,hub etc. What situations may it not work in and are there other issues to be aware of when using crossover versus ...
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1answer
1k views

Monitor network traffic on Android

I'm interested in what kind of network traffic my Android phone is using when using my home wifi. I can't root my phone, but I have full access to my home router. Is it possible to check what kind of ...
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0answers
326 views

Password reminder in Windows 7

I have windows 7 at work and I have some network drives connected which require to login to access them. After a few months the password used to connect to the network drives expires, but windows 7 ...
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3answers
107 views

Can I create such a network with just one router

I want to be able to set up such a network with using just one router and having just one cable on the specified part of the network. I could do this with 2 routers easily(one located near computer 1 ...
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1answer
196 views

Problems with routers, MAC randomising, and DHCP

I normally wouldn't ask this kind of question but it's been a long term, ongoing thing. I use Arch Linux, and I use netcfg for wireless connections but I used dhcpcd for my wired ethernet ...
3
votes
1answer
570 views

is pfSense suited for my setup?

I have a fairly large home network that consists of: 2 wired PCs, 3 Smartphones, 1 Tablet, 2 wireless PCs 2 wired gaming consoles 2 wireless gaming consoles The problem is that I think that my ...
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0answers
1k views

Is there a way to clear the cache for router?

I'm not sure where to ask this kind of question now but I'm really getting frustauted because it's Sunday and the provider off for today. I'm using LinkSys WRP400 and the problem I had is that I can'...
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3answers
3k views

Wireless is slow, but only to the internet, not local connections

I have a Ubiquity RouterStation Pro running the latest release of OpenwRT. Connecting via a wire directly to the router, or through a switch, I get exactly the speed I would expect, both to my local ...
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1answer
2k views

How can I use the Linux System Rescue CD to backup my windows partition to another computer over a SMB network?

I would like to back up a partition over a network, as it's just a bit too big for a CD. I downloaded the Linux System Rescue CD, seeing that it can do stuff similar to that, but I can't figure out ...
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1answer
3k views

How to get my virtual machine (VirtualBox) accessible on a company network?

I created an Arch Linux VM guest using VirtualBox on my Windows desktop at work. I'm planning to use it for Django development because there are no Unix machines available to use as a workstation at ...
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0answers
408 views

Linux PPP Routing issue [ Network Unreachable ]

Well I set up a ppp connection for my USB modem. I even got an IP address but when I try to do a ping I get network unreachable. I think it could be because the same laptop also sometimes get ...
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2answers
924 views

Login Process Taking Forever (10 Minutes)

My work computer connected through LAN is taking forever to login. It takes 10 minutes to login to the computer. How can I debug this issue? UPDATE: Turns out it was some services that were ...
0
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1answer
296 views

Why am I unable to connect to the home hotspot?

I use WPA-PSK with password and my router and having trouble connecting to it with my laptop I fixed yesterday by resetting RTC (CMOS?) battery. Although my laptop additionally has errors with my ...
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3answers
2k views

Samba outside local subnet?

I just transitioned my home server from and older desktop with two LAN ports (Server B) to a new low-power one (Server C) with only a single LAN. I get three IP addresses from my ISP and me and my ...
0
votes
1answer
522 views

Linksys WRT54GC wireless connection doesn't work

I Have a Linksys WRT54GC router which I use as a switch. Recently I have been able to connect to the wireless connection, but I can't access the router or the internet. Computers that are using it as ...
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3answers
233 views

Linux: tunelling an incoming connection

Setup: PC I (Ubuntu 11.10, have sudo), Mac T (OS X 10.7.2, have sudo), Smart device S (barely configurable). S can see to I on the local network, but can't see T. I and T can see each other. There ...
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2answers
838 views

BSOD - Now no internet, always “Identifying…”

So last night I ran into a BSOD, I don't remember the exact error, I should have payed more attention. Anyway, I decided to go to bed and mess with it the next day, especially since it started back up ...
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3answers
2k views

How to make a video wall?

I want to have a wall of TFT monitors, maybe as many as 10x10, and display a video on the wall. That means that each monitor should display a part of the video. Her's a bad ascii art example with ...
2
votes
1answer
325 views

can neighbors with cable internet access see each other's traffic?

I hear that cable Internet access uses a single shared link to connect a whole neighbourhood. If I connect my computer directly to my cable modem and use a packet sniffer to inspect the traffic, ...
2
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3answers
2k views

How to investigate the cause of an unreachable web server?

I have a very simple problem: http://wikipedia.org does not work on my home network. Yet finding a solution has caused me a headache. Here are the piece of the puzzle: Cable 15Mb/s internet ...
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3answers
4k views

Connect to Device Behind Router (and Switch) over Internet

I'm having a bit of trouble understanding which networking solution to use for my problem: I have a home network which includes several computers behind a router either directly through the router or ...
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1answer
278 views

Am I reading this trace correctly?

We've been having issues at work with getting quotes from UPS today. After having no luck getting to the UPS support page, I decided to traceroute it. The following is the result I got from it: ...
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2answers
660 views

Internet Blackouts - Random Timeouts in Intervals

Currently we are having random time outs on our internet connection. I can confirm this by pinging google.com/yahoo.com and other sites and I see the connection work for about 10 - 12 requests, then ...
0
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1answer
5k views

How to identify if NIC supports VLAN ID

I am planning to setup Hyper-V but I want to know if my NIC supports VLAN IDs. It seems to support VLAN and Priority (not sure what Priority is) as this is available Device Adapters > Relevant NIC > ...
3
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1answer
1k views

Does anyone know a brocade emulator?

I'm studying to get BCNE, but is so difficult to study without equipment. Is there a good brocade emulator?
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0answers
2k views

VirtualBox - Cannot talk to guest via Host-only

I am running CentOS 6.2 with SSH enabled on Windows 7 and I cannot access CentOS via my host. I have 2 adapters runnings, 1) Host-Only and 2) NAT. My problem is very similar to this one and I have ...
2
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1answer
3k views

Default to Static IP when no DHCP is found

I've setup a DHCP server on one of my centos boxes, and I have several computers that are going to connect (also centos) and hopefully make use of the DHCP. On start-up I'd like to check whether a ...
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2answers
6k views

How to connect to my client's server from my laptop using a cross over cable?

I need to be able to connect to my client's server from my laptop ethernet port using a cross cable. The server has no attached monitor/keyboard and only has a network card, which carries the ...
0
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1answer
145 views

Access intranet from my home PC

I have a workstation that serves as my network's testing server for my web projects. This is where I keep all my updated webpages. I want to be able to monitor what changes have been made by my ...
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2answers
480 views

Wake-On-LAN With network crd

I was wondering if it is at all possible to take full advantage of WOL if my network card supports it but my bios don't. I am considering buying a network card to that supports WOL. Would this work ...
4
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1answer
2k views

VirtualBox internal network

I'm trying to set up a network between virtual machines in VirtualBox. I've created different VMs including Windows XP, Windows Server 2008 R2. That's what my question is about. I want to connect ...
0
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1answer
397 views

How can I stop my iMac's remote management connection from defaulting to Wi-Fi?

I have a 2011 Mac mini connected to my 2008 iMac via Ethernet cable. The Mac mini is configured to accept remote management sessions, but the problem is when the Mac mini's AirPort is turned on, the ...
2
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2answers
402 views

create a private network with router

I would like to create a private network off of my work production network. I'm going to be testing some software on this network, and I can't have any traffic from the test boxes interfering with ...