Questions tagged [networking]

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

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How can I quickly map all IP addresses on my network to hostnames? [closed]

Any DOS commands that allow me to do so and output the data? Or any free software to do the same?
rzlines's user avatar
  • 7,538
1 vote
2 answers
476 views

How can I network my WinXP laptop with my Western Digital MyBook without a router

I have a laptop with an ethernet port. I have a Western Digital MyBook with an ethernet port (it contains its own little internal computer). I need to hook up my laptop directly to the MyBook and be ...
Joe Phillips's user avatar
  • 1,410
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2k views

How to connect to an UltraVNC server with private IP address?

I have an UltraVNC server setup on my computer. my computer is behind either a proxy or a NAT server. and he has a private IP address. is it possible to configure it in such a way that the UltraVNC ...
Attilah's user avatar
  • 93
1 vote
1 answer
337 views

Why can't my machine connect to the Internet?

I have a self-built desktop running Ubuntu 10.04 LTS. It is connected by an Ethernet cable (not wireless!) to a Apple Time Capsule (identical to an Airport Extreme). The Time Capsule has an ...
waiwai933's user avatar
  • 2,501
1 vote
2 answers
738 views

Is there a plugin etc for Firefox that tracks network activity?

I want to be able to use the ABC (Australia) iView page on my mythtv box but without having to use a mouse. And as it's all flash based I'm trying to reverse engineer it to work out where the media ...
stib's user avatar
  • 4,309
1 vote
1 answer
307 views

View specific virtualhost from within Virtualbox Windows XP?

I currently use 192.168.1.10:85 to refer to my localhost ip address, and I setup port-based virtualhosts because this seems like the only feasible/practical way to view this from within Windows XP on ...
meder omuraliev's user avatar
1 vote
3 answers
924 views

Find all computers using the same public IP

I noticed frequently that some site say that I already visited it... Or that I am currently online, or some other strange stuff like that... I guess that someone is also using the same internet IP as ...
speeder's user avatar
  • 380
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1 answer
2k views

How to check if UDP port is open?

Is it possible, using Linux/Unix commands to check if a UDP port is open on a remote computer, the same way telnet works for TCP?
Tom's user avatar
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2 answers
2k views

Wireless Connection not maxed out but "slow"

I just got a 20MBit cable connection at home and tried to measure the bandwidth from this with my laptop. After a few tries (5), I could see I was getting 14/1 Mbps (down/up) speeds from speedtest.net ...
wtaniguchi's user avatar
1 vote
1 answer
74 views

less packages send but faster speed?

i am sharing my wireless router with my roommates. through the router statistic view, i see a guy, whose UDP packages send in 5 sec. is only half as much as i did, but the total bytes he send in 5 sec....
David S.'s user avatar
  • 926
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1 answer
1k views

How do I set up a wireless router with two different passwords such that there are two different behaviors based on which password you use

I would like one password to enable full access to a network, shared computers, NAS's etc. And then another password that just is able to see shared computers. And then maybe another one (i know most ...
NullVoxPopuli's user avatar
1 vote
3 answers
2k views

Ethernet data transfer rates

I have a simple computer networking question. Gigabit connection, both computers have 500GB 7200rpm hard drives. One is core i7 860, and the other is Core 2 Duo 2.66Ghz. Both pretty fast computers. ...
v15's user avatar
  • 1,955
1 vote
2 answers
1k views

Vista cannot map network drive

As per subject, I'm not able to map a remote network drive to my Vista. I tested on an XP machine in the same network as mine and it's able to map the said drive, I also tried another Vista in the ...
Andreas Wong's user avatar
1 vote
1 answer
2k views

How to change VMware MAC address on host machine

I found many pages that discuss changing the MAC address of the interface inside the VM (guest), I have not found any information for changing the virtual interfaces on the host machine. VMware ...
TJR's user avatar
  • 193
1 vote
3 answers
11k views

Can I relay my USB modem connection to my wireless router?

I got a wireless modem that needs to plug into my computer in order for it to work. Is it possible to hook up this computer to my wireless router so that other devices can connect using the same ...
Makach's user avatar
  • 508
1 vote
2 answers
3k views

Windows 7 can't reconnect network drives on startup

I have this annoying problem that Windows 7 won't reconnect to my network drives on startup. The shares are on an Ubuntu machine. I've tried every possible solution I've found: Enable password on ...
Markus Hedlund's user avatar
1 vote
2 answers
2k views

How to fix massive lag on ZyXEL HomePlug AV powerline adapters?

I have 3 ZyXEL Homeplug AV powerline adapters as per the one in the review below. I have two plugged in currently, one into my Be / Thompson wireless router, and one into my desktop pc (box1). every ...
Tim Abell's user avatar
  • 376
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1 answer
106 views

Can the major TV manufacturers’s Internet TV systems access network resource? [closed]

I’m looking for large TV's right now for my company to set up in conference rooms. We want the ability to load presentations with out having to have a computer to do so. Our hope is to put things on ...
Narcolapser's user avatar
1 vote
1 answer
955 views

Bonjour for Windows vs. SMB for printer sharing

My landlord would like to print to her printer connected to her Mac from Windows machines in her house. (I'm unsure of what versions of windows, but I assume Vista or 7.) Looking at these docs ...
Ryan Olson's user avatar
1 vote
2 answers
491 views

How are you supposed to NAT with Snow Leopard Server mini with only 1 ethernet port?

How are you supposed to NAT with Snow Leopard Server mini with only 1 ethernet port?
erotsppa's user avatar
  • 383
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3 answers
2k views

How can I set up a Local Area Network without a router?

I have a reliance bandwidth connection and I want to set a local area network without using a router. How can I do this?
ritesh's user avatar
  • 11
1 vote
2 answers
243 views

ssh from 1 ubuntu box to another ubuntu box

I have 2 ubuntu boxes in a WiFi network. Below is the 'ifconfig' of my destination machine. But in my source machine, I tried 'ssh 192.168.1.2' I get connection refused. $ ifconfig eth0 Link encap:...
michael's user avatar
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1 vote
1 answer
369 views

Connecting my XBOX 360 to home network

I am trying to set up my XBOX 360 as a Windows Media Center Extender. I input the code as shown on the XBOX screen, but I get the error message: "Cannot Set Up Extender." This means that the Extender ...
user avatar
1 vote
2 answers
4k views

Why is the network speed on my Mac Pro (early 2009) so slow?

I have a really weird networking issue on my Mac Pro (Early 2009). I can’t get higher network speeds than about 2MBit/s. It doesn’t matter if this is over AirPort or one of the Ethernet ports. An iMac ...
Rafael Bugajewski's user avatar
1 vote
2 answers
1k views

How to connect laptop with telephone using WI-FI? (ethernet)

What I did: Added new wireless network in wireless network settings and gave it SSID Gave laptop the IP like 192.168.0.1, mask: 255.255.255.0, gateway: 192.168.0.2 Gave the telephone with wifi the ...
user35232's user avatar
  • 111
1 vote
1 answer
11k views

Users and Groups management on 7 Home Premium [duplicate]

Possible Duplicate: Local Users and Groups Management on Windows 7 Home? I recently upgraded my home PC from Windows XP Pro, to Windows 7 Home Premium. Since Local Users and Groups is blocked on ...
AviD's user avatar
  • 571
1 vote
1 answer
2k views

How to access Parallels guest network services in a shared network virtual machine running in Mac OSX?

I have a Windows virtual machine running inside Parallels in my Mac OSX. This virtual machine is setup to use shared network. What I want is: How to access a IIS service running inside this virtual ...
Daniel Silveira's user avatar
1 vote
2 answers
5k views

Connection speed drops from 1 Gbps to 10 Mbps (Vista 64)

I recently got a Windows Home Server (HP MediaSmart Server EX490) setup so I could do backups and other things. However, I am having trouble on my Vista 64 PC. The backup will be making great ...
Kevin Hakanson's user avatar
1 vote
2 answers
1k views

Dhcpd Daemon is trying to lease itself?

I have a Slackware Linux 13.0 box with two interfaces, eth0 and eth1. I have set this box up to be on the 192.168.1.0/24 network, with subnet mask of 255.255.255.0. I am trying to run a dhcpd server ...
t0mm13b's user avatar
  • 723
1 vote
3 answers
636 views

Connect to a network via the command line

I want to be able to connect to a network via command line in Windows. My goal is to script out remoting into my work computer. I hate having to always manually connect to the VPN connection and ...
user avatar
1 vote
3 answers
1k views

Discover MAC address

I've to setup a bunch of servers, and I need to discover their MAC addresses with the following setup: MacBookPro >----------< Server The Macbook Pro is directly connected (not behind a ...
Kami's user avatar
  • 3,248
1 vote
2 answers
1k views

Access Linux machine on local network through Mac with Internet sharing?

I was wondering how to access a Linux (Ubuntu Karmic to be exact) on the local network when it is connected through a Mac with Internet sharing (AirPort to Wired).
user avatar
1 vote
1 answer
970 views

Command to find out which machines I share a network with

Can I find out which other machines (their IPs) are on my network via Ubuntu command line? What I currently do is install Wireshark and monitor the traffic. Was just hoping there was a simpler way of ...
user avatar
1 vote
2 answers
11k views

Networking conflict - What is the most common default computer name for Windows?

I recently had to change the name of my computer to log onto a public wi-fi spot, because a computer with my name was already logged on. (I asked a guy there what to do after it said there was already ...
user avatar
1 vote
1 answer
457 views

Multiple Time Machine Network Backups

I have FreeNAS servers at work and at home. Both are set up to back up via Time Machine. Is there a way I can tell my Macbook Pro to use both without having to manually switch in the Time Machine ...
churnd's user avatar
  • 5,008
1 vote
3 answers
301 views

Can connect to WAN via PC but router doesnt

I have a very strange problem regarding the office network. We are currenltly in a executive suite and when i connect to wan via ethernet cable i get dhcp assigned IP address in my network config. I ...
shaytac's user avatar
  • 155
1 vote
1 answer
768 views

retransmission of lost TCP segment

What will happen in the following scenario (assume the connection is already established): (stack A) send 10 byte data (stack B) send ACK for 10 byte data (stack B) send 200 byte data (stack B) send ...
user avatar
1 vote
2 answers
2k views

HTTP, HTTPS and FTP is not working but SMTP and IMAP are working

Yesterday on a computer of a friend a strange thing happened. after booting the ports for http, https and ftp are closed but e-mail is still working. in the control panel the Windows firewall seems ...
nWorx's user avatar
  • 121
1 vote
5 answers
4k views

new PC not work with existing router, but works fine when directly connecting to cable modem

I bought a new desktop PC (eMachine ET1331G-03W from WalMart) with windows 7 installed, but I can not access internet by connecting to my existing wireless router(LinkSys BEFW11S4) with wired cable. ...
user avatar
1 vote
1 answer
345 views

How can I calculate saturation?

I recently setup a web server on my machine. Someone told me that I should calculate saturation to see how good my server really is. Are there any scripts that let me calculate this?
Legend's user avatar
  • 744
1 vote
5 answers
3k views

shouldn't ping time be the sum of trace route hops time?

just the difference between them is confusing me...
user avatar
1 vote
1 answer
362 views

Open Port on External Network with VPN

I have a Windows 7 laptop that connects to a network with a VPN. As soon as the laptop connects to the VPN, it becomes unreachable by its physical IP address. The instant it disconnects, it becomes ...
SLaks's user avatar
  • 7,994
1 vote
2 answers
7k views

Monitor network traffic on PC's connected to router [duplicate]

Possible Duplicate: Software for measuring internet traffic? Hi! Anyone know of an application for Windows or Mac that can monitor the amount of network traffic on the different computers ...
o01's user avatar
  • 303
1 vote
1 answer
2k views

Windows 7 can connect to local network but not to internet

I recently installed windows 7 (dual booting with XP) and after a few days of regular usage I am not able to access the internet anymore. I am connected through ethernet, and I can access the local ...
Pat's user avatar
  • 111
1 vote
3 answers
208 views

Fool network interface into thinking it is connected

I have a second NIC in my machine that I am using to create a subnet for a cluster of Xen VMs on my machine. Nothing really needs to be connected to this interface as no traffic ever needs to leave ...
Michael Mior's user avatar
1 vote
4 answers
263 views

Weird windows 7 networking problem

I have a strange problem with windows 7. My network connection used to work fine, then one day, all of the sudden it stopped wotking. I tryed everything possible to get it working (ipgonfig /renew, ...
user avatar
1 vote
3 answers
508 views

Optimising wireless network

My setup: 802.11g router with dd-wrt, desktop pc, laptop - neither of which can be connected with ethernet My goal here is to have good speed between the two computers both wirelessly connecting to ...
naumcho's user avatar
  • 501
1 vote
2 answers
765 views

Expanding our home network

Currently we have a D-Link DI-524, which is a wireless router with 4 wired Ethernet ports, and an uplink port. The uplink port is plugged into the cable modem, and 2 of the 4 Ethernet ports have our ...
dirtside's user avatar
  • 1,051
1 vote
2 answers
415 views

Windows Vista: Intermittent Network

I do a ping -t www.l.google.com and this is the output: Pinging www.l.google.com [209.85.229.147] with 32 bytes of data: Reply from 209.85.229.147: bytes=32 time=50ms TTL=52 Reply from 209.85....
Ricardo's user avatar
  • 47
1 vote
4 answers
9k views

Windows 7 - system error 5

My wife has just had a new computer for Christmas (with an upgrade from VISTA to Windows 7), and has joined the home network. We are using a mix of WindowsXP and Ubuntu boxes linked via a switch. We ...
Ian's user avatar
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