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

learn more… | top users | synonyms (2)

2
votes
0answers
15 views

How can I fix my router's ridiculously high external PING rates?

[I asked this question on Overflow and they closed it saying it belongs here. Hope that's correct.] My basic problem: I have horrible latency. When pinging google.com I get average round-trips of 48 ...
0
votes
1answer
16 views

LTSP fails while downloading images

Some time ago, I've configured LTSP on Debian machine. I've been using it from time to time and it worked. Today it stopped working and I cannot figure out what's wrong. Client says: Intel UNDI, ...
0
votes
1answer
12 views

unusable speed connection to router (ethernet and wireless)

I'm using a lenovo flex 2 laptop, my connection was fine up until this week. We got a new router (edimax br 6428ns v2), which seems to "not like" my laptop, i'll explain: My 2 roommates can connect ...
2
votes
1answer
30 views

Accessing router behind modem/router

I have a router which is located upstairs connected to the modem downstairs through a powerline adapter. I am able to access the modem which is located downstairs through the router but connecting to ...
0
votes
3answers
34 views

No internet when cable is connected directly to pc

I have a router with static settings in it, my computer is connected to that router, I want to remove that router and connect my PC directly to the internet, I went to the ipv4 settings in network and ...
2
votes
2answers
9k views

how to enable 'Properties' button of TCP/IPv4 in Network connections in Windows 7

In the Control Panel\Network and Internet\Network Connections, I have a Wireless Network Connection. When I right-click on it, a properties dialog opens. Now, I need to change the IP address for ...
1
vote
1answer
21 views

Creating bridge in Linux, share network like VirtualBox

I have a local are network 192.168.1.1/24. I use libvirt and I want my virtual machines to use this network also, at least a sub-network of it, such as 192.168.1.128/25. However, all the libvirt ...
1
vote
1answer
17 views

VPN can access network drives by IP but not by computer name

I have a VPN set up on my laptop. When I take it out of the office I can't access mapped network drives. I noticed that all my network drives went something like \\THE-FILE-SERVER\Data, but when I ...
0
votes
0answers
14 views

How do I connect guest Kali VM to internet through NAT (network works, internet doesn't)?

Alright, I'm having some really weird problems with my VM, and I can't for the life of me figure it out. I got it set up to where I can ping my host machine, I can even ping other hosts on the ...
0
votes
0answers
17 views

Router to Router forwarding

Perhaps I've not realized something here, but here's what I've got: I have two routers on Cox's homenet. One router is a D-Link DIR-857 that issues DHCP and performs NAT with 192.168.0.0/24, and is ...
0
votes
2answers
55 views

How do I set Input interface is output interface

I have eth0 with IP X.X.X.X and eth0:0 with IP Y.Y.Y.Y. My goal is if I connect to eth0 then output ip shoud be X.X.X.X and if I connect to eth0:0 the output ip should be Y.Y.Y.Y. Example: VPN ...
0
votes
0answers
8 views

Add route to Mac after closing vpn

After connection to VPN, I still miss one route. To be able to connect to the range of ips, I manually run: sudo route add -net 192.168.109 -interface ppp0 How can I automate this? In order to after ...
0
votes
2answers
3k views

How to reset TCP/IP on Windows 8.1?

The following netsh command is not working on Windows 8.1. netsh int ipv4 reset It give “Access Denied” error and it is a VERY known issue, many people complaining about it all ove online forums. ...
0
votes
1answer
25 views

Turn on Network discovery in windows xp

I am having difficulty turning on network discovery on Windows XP; Currently our server is not shown in the 'Network' section of a client computer, but I can ping the server. My system admin said I ...
0
votes
0answers
8 views

OpenWRT: Software update wget returns “Network is unreachable”

I have OpenWRT [Barrier Breaker 14.07 / LuCI Trunk (0.12+svn-r10530)] installed on a TP-Link Wifi Extender (TL-WA850RE v1), though acting like a simple Access Point, DHCP & DNS are provided by a ...
3
votes
2answers
39 views

Packets not received when running IPv6 through a bridge

I have a setup with two network interface: eth0 and tap0, bridged by br0 bridge name bridge id STP enabled interfaces br0 8000.************ no ...
0
votes
1answer
29 views

Raspberry Pi: “Cannot find host”

I changed my hostname on my raspberry pi using this resource: How to Change Your Raspberry Pi (or Other Linux Device’s) Hostname. When I use the host name on the ssh client to connect to the ssh ...
0
votes
3answers
39 views

Different WAN IP address in router versus what is shown on IP checking websites

I am trying to set up dyndns on my router—a TP-Link WR1043ND V2—with latest DD-WRT firmware but the problem is that when I look at the router GUI it shows one WAN address and when I look at dyn.com it ...
2
votes
1answer
203 views

Find if IP Address is in use

I'm trying to find if an IP address is in use. I don't want to rely on ping, as most of our hosts have ICMP echo and reply turned off. I'm looking for something that mimics window's "IP Address ...
8
votes
4answers
395 views

Why do I go through Comcast so many times before I reach a website?

This is a command prompt. Something with a red line under or to the right side means it's a Comcast IP, blue means Google: I go through Comcast six times before I even reach a Google server. Why do ...
1
vote
1answer
10 views

Torrent monitoring of entire network by a user in the same network

I am a user in a network. Can I monitor torrent activity in my network using some tool.I tried Wireshark. But I could only monitor my computer's network activities. Is there any other tool available ...
1
vote
2answers
2k views

ipsec configuration problems on Ubuntu. Errors on IP forwarding" connection authorization from Android client

I'm trying to create a L2TP/IPSec PSK VPN from my Android phone to my Ubuntu server on my home network. I am receiving two errors. the first one is a failure checking IP forwarding when I run ipsec ...
2
votes
2answers
110 views

What type of ethernet-to-wireless extender do I need

My house is wired for ethernet. So far, I've got everything taken care of with gigabit switches in most rooms to handle XBoxes, PCs, etc. Until today. My Amazon Firestick arrived and only connects ...
0
votes
1answer
403 views

How to bridge tap to eth0 on raspberry pi?

I am using my raspberry pi as a openvpn cleint for my xbox 360 because at my college i get kicked off xbox live for either strict nat type or a connection limit. I can connect to the vpn just fine, i ...
0
votes
1answer
13 views

Router suddenly stopped port forwarding

I got me a second router today (Linksys WRT54GL), and put DD WRT on it. I was going to use the router as a PPTP server bridged to my main router, which worked for a little while. Now however, all of ...
2
votes
1answer
4k views

Kali 1.0.5 Internet Connection Problems

I have recently installed Kali Linux and am having connection issues. It says I am connected to the network, but I am not able to access the Web. A Ubuntu 13.04 running on the same machine (dual boot) ...
3
votes
1answer
10k views

OpenWRT: basic network configuration

Just installed OpenWRT 12.09 in my router, but became a little confused about interfaces/bridges/vlans. After my first boot, I logged in and set my root password, so I used Luci to activate my ...
2
votes
2answers
3k views

Converting bandwidth: Bps-Bytes/s MBit-MB

When buying network hardware the specs usualy contain "Bits". Software usualy uses "Bytes". What are the formulas for converting bandwidth measures? Examples (assuming perfect conditions, ignoring ...
0
votes
0answers
9 views

Ensuring proper routing with multiple gateways

I have to setup a Win2012 server with 3 network interfaces. NIC_1: Has a public IP address to avoid NATing. [protected by firewall] NIC_2: Has a private IP address with a DMZ of firewall A [Say 172.x ...
18
votes
7answers
4k views

Can a huge coiled LAN cable have some trouble for transmitting a signal?

Let's say I have a long (> 30m) LAN cable, that connect two (very close) devices. Could some of the unused wire, disposed as a huge coil, cause any issue ? I'm thinking about the special wire layout ...
1
vote
4answers
41 views

How can I check what is my ip on any particular endpoint?

I know I can do curl curlmyip.com or something like that, but that just shows me the ip curlmyip.com is seeing. Is there any tool I can use that tells me what's my ip on the endpoint for any TCP ...
0
votes
1answer
25 views

Changing TCP sliding window behaviour

We all know that TCP's congestion control uses additive (linear) increase and multiplicative decrease when adjusting sliding window size. Is there a way to change it to "linear decrease"? When a ...
0
votes
2answers
1k views

Windows Virtual Machine not seen by host (Mac OS X) using VMWare Fusion

I installed Windows XP with VMware Fusion on my MacBook and while internet works, Windows can ping the Mac, etc. from the Mac or any other machine in the network we can not see the Virtual Machine. In ...
2
votes
1answer
28 views

IP network routing: restrict traffic on an interface

My PC has wired and wireless Ethernet. The wired port connects to a private network with no Internet access. the wireless port connects to a domain network with Internet access. The problem is that ...
1
vote
0answers
19 views

Can not connect to VirtualHost when VPN

I run VirtualBox on my local machine with Ubuntu which hosts my application. Application URLs points to VM IP Address in my hosts file (/etc/hosts). And this configuration works fine. I can also ssh ...
0
votes
1answer
16 views

Monitor switch traffic load on specific port (CISCO managed switch)

For troubleshooting networks problems I need to know how to monitor the traffic (work load) on a managed switch. I read about SPAN for CISCO switches. But it seems to be overkill since it does mirror ...
0
votes
0answers
32 views

Using an old router as a secondary access point?

I have recently acquired a new router and wish to extend my "WiFi coverage" by utilizing my old router as another access point somewhere in the house. I have followed a number of tutorials and i'm ...
0
votes
0answers
17 views

Unable to open files with OpenVPN and samba (writing works)

I have setup a samba server and it works correctly from the local network. When accessing via OpenVPN both from Windows and GNU/Linux writing works but can't open any files. It just timeouts when ...
1
vote
2answers
3k views

Can't access Thomson modem interface anymore

I used to be able to access the web interface of my Thomson DWG849 router/modem through both 192.168.100.1 and 192.168.87.1, but now, suddenly, I can't anymore. I have tried resetting the router ...
16
votes
6answers
10k views

How to set the Windows network timeout for physically disconnected mapped drive?

When a network drive (net use) is physically disconnected, Windows Explorer (and other programs) keep trying to enumerate and/or use it for maybe 60 seconds. Is there some way to reduce this timeout ...
0
votes
1answer
18 views

Use new Gateway as modem and another gateway as a router?

We recently got TWC internet came with the Ubee ddw365 gateway. For some reason wireless and hardwired the gateway disconnects for a few seconds almost every other minute. At a buddies house I was ...
0
votes
0answers
26 views

Can a malware transmit over hotspot [on hold]

If I have a malware infected computer and I connect the computer to the internet using my phone's wifi hotspot (phone using school network) can the malware have its way into the school network I use? ...
0
votes
2answers
32 views

Is there a way to send prerecorded requests to a server? [on hold]

I was wondering if it is possible to record and replay outbound POST requests from a Windows PC, and replay them. For example, if I have a POST recorder, and I send a request from Skype to make a ...
2
votes
1answer
4k views

Manually Setting Interface metric priority of Network Adapters not preferring lower metric route on Windows

After Connecting to Cisco VPN AnyConnect, Now I have two network interfaces having set same default routes, but with different metric values. Even after manually changing/raising the metric value of ...
6
votes
4answers
2k views

Cannot create external switch on Hyper-V

I am getting the following error when creating an external switch on Hyper-V: I am running Windows 8.1 x64. My switch settings are as follows: Event viewer gives me the following errors in ...
0
votes
1answer
2k views

how to test a VLAN set up under OS X Mavericks

I tried to set up an "internal" VLAN, with my mac (running Mavericks) routing this segregated traffic to one of the hardware interfaces. I think this should work irrespective of how people connect to ...
0
votes
0answers
19 views

Optimal setting for advanced parameters for Realtek PCI-e GBE family network card

superusers. I am trying to get the best possible setting for my Realtek PCI-e GBE family controller network card so that when it will be literally minimal or zero lag when playing online game. ...
0
votes
1answer
32 views

How do I find the source of my DNS errors?

I have a home network with a cable modem, wireless router, several switches and powerline adapters all connected with cat5. When web browsing, I am regularly getting DNS timeouts (1-2 every 10 ...
0
votes
0answers
14 views

Plivo SIP problems with NAT traversal

Ok, I've looked and looked, and can't seem to find anyone that's written about this problem. I have a simple office setup where there are two SIP phone extensions (Polycom 331) behind a Sonicwall ...
-2
votes
1answer
32 views

Windows FTP server that needs 99.9% up-time, virtualbox or dual boot? [on hold]

I currently have an FTP server running on Windows 7 via VirtualBox. I have all the network-adapter and port-forwarding stuff done so the server is accessible outside the network. It is ready to go ...