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

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3
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3answers
30 views

Why does Linux accept traffic on unconfigured loopback addresses?

On at least two version of Linux (Ubuntu 9 and Debian 7) I've noticed that, even though I only have a single loopback address configured on lo (the standard 127.0.0.1 one), it happily accepts packets ...
1
vote
0answers
11 views

Browsing network shares (SMB) causes spike in latency

I've managed to narrow down an incredibly frustrating problem with intermittent latency spikes on one PC on my LAN (Win7 Pro x64) to connecting to SMB shares. I have other Win7 Pro PC's that don't ...
2
votes
1answer
30 views

Which layer of network stack does access point operate?

Which layer of network stack do access points operate? (My question also leads me to wonder Which device can create a new network?). My question arises when reading Tanebaum's Computer Network: ...
-2
votes
1answer
28 views

Which device can create a new network?

An example: I connect a Linksys WRT54G to my ISP's cable port on the wall. Each machine connected to the router has an internal IP. I think that I have created a new internal network (both wired and ...
-1
votes
0answers
23 views

Internet Usage Monitoring

I have a WiFi enabled ADSL Modem/Router (ASUS DSL-N10) connected to some devices (PC, Mobile, ...). It's connected to internet via Cable or WiFi through this Modem. I need to monitor traffic used by ...
0
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0answers
17 views

Linux Command to set TCP window size [on hold]

I want to send TCP packet with window size 65535 (0xffff). I m looking to set the TCP window size to 65535 on my linux system. I know that there is the sysctl command but I could not find how ...
1
vote
1answer
56 views

Hosting my website from home

Ive, for some odd reason, have always fantasied about hosting my own web site from home... I know security wise it isnt the best thing in the world but Im looking for a new tips on that today. The ...
1
vote
0answers
10 views

Losing Internet connection on a Sitecom WLR-3100 Wi-Fi Router X3 N300

At home, I'm using a Cisco router and DD-WRT'ed Linksys access point to connect my Android smartphone and Ubuntu laptop to the internet via Wi-Fi. I've never faced any problems here. Neither have I on ...
1
vote
0answers
8 views

setup vcan interface to be activated on boot

I want to setup a virtual SocketCAN interface on boot. The following lines do what I want (manually): ip link add dev vcan0 type vcan ip link set up vcan0 (or) ip link add dev vcan0 up type vcan ...
0
votes
0answers
20 views

I am connected to a single network but two connections are shown

Okay so I was trying to assign a static IP for my pc just with normal procedure but after I did so I got this. Can anyone enlighten me what is wrong or if everything is right? But amazingly the ...
0
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0answers
22 views

Wi-Fi soft handoff using more antennas and long cables?

I have to organize a show in an underground car park. I have: 1 car running fast in the parking lot; 1 Android smartphone in the car; the Android smartphone has to connect with a PC in real time, ...
-1
votes
1answer
57 views

What is the difference between these 2 twisted pairs?

I have two cables marked: BELDEN 1583e utp cat5e 4pr awg24 iso/iec 11801 en50173 ec verified 100 ohm 1002069 ESSENTIAL utp cat5e by nexans EC verified 4pr awg24 lu0306 Both connected to TL-SG108E ...
2
votes
1answer
33 views

Windows 7 network adapter device name using winpcap

I am trying to use winpcap for an application that is to be used on multiple servers in a production line. One thing that annoys me so far is the Windows 7 device naming convention, which is a long ...
1
vote
0answers
16 views

Internet sharing between PowerMac G3 running Linux and Windows 8 computer

I have a PowerMac G3 on which I have installed MintPPC Linux (a version of Debian) so I can run it as a web server. This computer has two network cards, one is in the motherboard and one is a PCI ...
0
votes
1answer
41 views

Implement QoS on home network (maybe using a Synology NAS)

My home router (Technicolor TG784n v3, firmware version 8.G.M.1) has no Quality of Service (QoS) settings. Still, I would like to implement QoS, mainly to be able to control bandwidth occupancy by ...
0
votes
2answers
38 views

What might cause high latency when bandwidth is saturated?

I've been having network problems for a while and I'm trying to track down the source of the issue. Yesterday, I was transferring a file from my laptop to my desktop with SCP, over my wifi ...
-5
votes
0answers
24 views

I need to connect up to 3000 people to wifi simultaneously. How can I do this and would I require to do so? [closed]

I got an inquiry from a client who requires to have WIFI connectivity for an event. This event usually has approximately 3000 people walking in and out of the location at any given time. The event ...
3
votes
0answers
27 views

FTP experts needed - FTP with TLS doesn't work, nor can i change port in pure-ftpd

Hey guys! I have been having problems with my ftp server that i have tried fixing for over a week now, and i was wondering if you could help me with it. My configuration: I am running Raspbian on a ...
0
votes
1answer
29 views

What does exactly transmission delay represent?

I understand that propagation delay is the time it takes for a bit to reach the far end, and that it's pretty close to the speed of light. What I don't understand is what the transmission delay ...
-1
votes
0answers
17 views

Range of intermittent network / router problems

I've recently moved to a new house and is experiencing a range of intermittent network / router problems. I use an ASUS RT-N66U wireless router which have worked great in my previous apartment, and ...
-1
votes
1answer
25 views

How to RDP machine “C” from machine “A” when machine “B” is in the middle

Ok, I'm working on a rather complex network arrangement so I'll try my best to be clear. There are 3 PCs: A, B and C. A: Ubuntu 12.04, the one on my desk: it's part of an intranet 125.1.x.x/16 B: ...
1
vote
1answer
69 views

VPN over seperate instance OpenWRT

I am trying for a few days to get this going but so far i have not mamaged to. My situation is pretty much alike VPN on SSID #2 (OpenWRT) however slightly different. In my situation i am using ...
2
votes
2answers
35 views

Links and transmission rates

Let's say I have a short copper wire that I wish to transfer bits through. I can push a bit on one end of the wire, and in no time (almost the speed of light) the bit will reach to the other end, and ...
-1
votes
1answer
35 views

Can't connect to host by hostname

I have a problem which can be described by these four lines $ host example.com example.com has address 10.10.10.10 $ ping example.com ping: unknown host example.com As I see, hostname resolves ...
2
votes
1answer
18 views

how to determine which side causes the intermittent ping failure

Recently co-workers have been experiencing random connection drop problem with one of the servers. If I ping the server 10 times in a row from my windows client machine, I can see quite a few of ...
0
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0answers
22 views

How to connect to my other home network?

I have an ADSL modem from my ISP. I have another Tenda router that is connected to the ADSL modem via twisted pair cable. I connect to the internet using Wifi from the Tenda router. The ip address of ...
0
votes
0answers
6 views

linking a network printer to a different network [on hold]

I'm working in a big enterprise company ,in my company we have two types of employees (Staff,contractor).so far we have a two WiFi and LAN network one for staff (Staff network) ,and one for contractor ...
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votes
0answers
29 views

Bypass Internet Filters [closed]

I am trying to bypass restricted internet access by running it through some sort of server. I need suggestions. I can not connect to a VPN. I can set proxy settings, but I have applications I need to ...
1
vote
0answers
23 views

How to use QOS (quality of service) on windows 7

i have 15 computers on LAN and other clients who connect through wifi. all connections pass through a windows 7 computer. i want to give high priority for some applications, urls, ip addresses using ...
1
vote
0answers
14 views

Network Adapter occasionally not able to connect

Sometimes my network adapter will require that I disable it and then reenable in order for it to work again. The problem is that it gives no indication that there is a problem with the network until ...
0
votes
0answers
11 views

DHCP and connection problems on cascade switches and routers

I have the following configuration (one switch at a building floor): The workstations are all DHCP enabled to get IP automatically. When I power up everything works fine. After some time (2 hs) I ...
3
votes
0answers
21 views

Does increasing the complexity of a PSK passphrase mitigate the risks of WPA-TKIP?

I'm responsible for configuring a small business network (50-60 devices) and we have some ancient devices that must connect wirelessly to the network. Our regular wireless accepts AES WPA and WPA2 ...
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0answers
19 views

OpenWRT OpenVPN LAN access

My target is to connect a PC from internet to a local VPN at my home and then access my computers in local LAN. Explanation: ****** ************** ****************** ...
0
votes
2answers
32 views

Given the IPs of all on my network, how can I find their computer names?

I obtained a list of all IPs in my network with fing (linux package for analyzing networks). How can I obtain the names of the machines? And maybe could I obtain the OS too?
1
vote
2answers
56 views

Two different Wi-Fi networks—public and private—with different SSIDs from two different routers, but using the same Internet connection

We are looking to provide public Wi-Fi in an area that currently isn’t covered by any Wi-Fi network. However, nearby there is another Wi-Fi network of ours consisting of a DHCP router—with incoming ...
0
votes
0answers
11 views

Debian can't communicate with network printer

We have working Konica Minolta Bizhub C224e connected to Wi-Fi. Windows computers don't have problems with it, so I assume that it's configured properly. On my Debian Wheezy I can see this printer ...
0
votes
0answers
17 views

Zyxel Router Static IP setup

I need assistance with a static ip setup. The router is set up with the details for the static IP and the computer is able to browse the Internet and able to ping the static IP. The problem that comes ...
0
votes
0answers
19 views

Telnet says trying- network issue

My network resource is telling me that "syn" packet is not being sent from client to firewall. HOw do we go about troubleshooting this, why do a packet capture from the client when we know the issue ...
0
votes
1answer
12 views

Can't change network password from command line

I have a previous question relating to how one can change a password of the 'bottom' client when recursively logged in to multiple RDP clients: Change Windows password when in multiple RDP One ...
-2
votes
2answers
71 views

Why does 192.168.1.1 redirect me to 127.0.0.1? [closed]

I have problem with ip 192.168.1.1. It is my adsl router ip address but when I enter this address in my browser (any browser), it redirects me to 127.0.0.1:80. I am using Windows OS. Note: I tested ...
0
votes
0answers
35 views

RDP and DNS issues when I start OpenVPN

Already searched a lot, also here, I have installed OpenVPN Server on Windows Server 2008 r2, it worked smoothly for a time, now when I start OpenVPN service it drops RDP and other services. I have a ...
0
votes
0answers
17 views

Can't view a certain website on my PC but can on my phone (same network)

My PC and phone is connected on the same network and internet source but for some strange reason I can't view a certain website on my PC but it works on my mobile phone. I tried flushing DNS, checking ...
0
votes
1answer
43 views

Centos 7 - ping 8.8.8.8 (connect: Network is unreachable)

I think I have a routing problem. I have set up a CentOS VM, it is connected to my network and I can ping other machines. I cannot however ping anything outside of my network. [root@localhost ~]# ...
1
vote
1answer
22 views

VirtualBox with Centos 7 minimal install, cannot connect to network

I just installed Centos 7 on a VM I'm running from VirtualBox on a windows machine. I installed the latest minimal release. I then went about setting up a static IP. When I try to access the machine ...
-2
votes
2answers
42 views

How can I retrieve the ip of my access point?

Originally I had my network as follows. I had a first router creating the 192.168.0.X network, one creating the subnetwork 192.168.1.X and another creating another subnet of 1.X, namely 2.X. The 0 ...
13
votes
6answers
2k views

Does increasing upload or download speed reduce ping?

I have a 5 MB/s connection, but I always notice high ping when playing online games. When the network is stable (i.e. when pingtest.com reports the connection as 5 MB/s), the ping stays at 50 ms, but ...
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votes
0answers
10 views

Open Vpn is connected in Windows 8.1 pro but ip is not changed

I run openvpn-gui as administrator. I got assigned ip from the server but my ip is not changed. any idea why?
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votes
0answers
21 views

Home Windows 8.1 network [closed]

Is it possible to create a home network environment with one powerfull PC (server) with a few diskless nodes that use server's operating system (in this case Windows 8.1) with all software that one ...
0
votes
0answers
18 views

Java sockets and port forwarding [closed]

Recently I asked a question on stackOverflow about why my java chatroom was not working on computers which were not on my network. Since I have found no errors in the code itself, does anyone know of ...
0
votes
0answers
14 views

Bridged VMware cannot detect any physical network adapter

I have installed VMware Workstation 10.0. My PC has 3 network adapters (Bluetooth, Ethernet and Wireless). And i have already installed drivers for it. . But these adapters haven't detected in ...