Tagged Questions

0
votes
0answers
26 views

How does Windows schedule network traffic?

I have a scenario where multiple connections are fighting for my upstream, and any one of them capable of utilizing 100% of what is available. I've noticed that with three concurrent uploads, one via ...
0
votes
1answer
30 views

how can one setup a bandwidth control on a local network? [closed]

I want to setup bandwidth control for our network, by using a 'main' computer as the hub to manage bandwidths of other computers connected to the same network. Also, I have a dedicated IP with my ...
1
vote
2answers
52 views

What is it that determines a network's bandwidth?

While I understand the concept of bandwidth in an Ethernet network - the Ethernet card in my computer "transmits" packets at a certain speed so I have a 100 Mbps network. However, what gives other ...
-1
votes
2answers
56 views

Can I use multiple vpn connections to increase bandwidth

There is wifi network in our college and it only connected to local server so if we want to use internet we have to connect to a vpn server using our specific user/pass the problem is bandwidth is ...
0
votes
0answers
33 views

Determining contributors to elapsed time during a network request

The situation: There is a remote server. I am running a client program that makes calls to the server and requests data. These requests perform very slowly. The server limits the number of results ...
-2
votes
0answers
42 views

How to calculate flows based upon bandwidth? [closed]

I want to know how can one calculate bandwidth requirements based upon flows and viceversa. Meaning if I had to achieve total of 50,000 netflows what is the bandwidth requirement to produce this ...
3
votes
2answers
132 views

Does PCIe 3.0 x8 provide enough bandwidth for a dual QSFP 40Gbit NIC?

I'm researching dual QSFP 40GBit network cards for a work project and have a few questions regarding PCIe 3.0's theoretical max bandwidth. I'm currently looking at a dual QSFP PCIe 3.0 x8 card on CDW ...
0
votes
1answer
42 views

test isp for bandwidth throttling

As of late youtube has been slow to load like 30-45 seconds in it will pause and buffer for 2-3 min. this happens on my wifes mac , my desktop and my work laptop so im pretty sure its not a hardware ...
-4
votes
2answers
67 views

Two routers, Same Internet Speed? [closed]

Trying to do some network load balancing at home. Current situation One guy is using NetFlix and its killing the internet speed for everybody connected on the wireless router and its actually ...
0
votes
1answer
75 views

Restrict Bandwidth by IP

Is there an easy way to restrict the bandwidth available to a specific range of IPs? My scenario is I've recently discovered that watching movies on LoveFilm uses a lot more bandwidth than other ...
0
votes
1answer
42 views

usenet server uses more bandwidth then I can measure

So here's the situation. I just started using usenet (server Newshosting), and I am on a bit of a limited bandwidth local network so I've been trying to figure out how much bandwidth I'm actually ...
1
vote
0answers
104 views

Bind process to network interface

I'm attempting to perform simultaneous bandwidth tests from a single machine using multiple network interfaces. None of the utilities I've found so far allow me to do this. The closest was iperf ...
1
vote
2answers
92 views

Router speed not matching my ISP speed

My ISP recently upgraded me to 150 mbps, I can only get close to this if I wire directly from the modem to my computer. If I wire through my router it maxes at 55, the router model is Linksys E1550, ...
0
votes
0answers
8 views

How can I see a by-process and by-connection list of network connections and the bandwidth they are using on Windows XP? [duplicate]

I would like to see a by-process and by-connection list of network connections and the bandwidth they are using on Windows XP. I think I want something like iftop (as mentioned in this question). I ...
0
votes
1answer
158 views

Linux - Network Traffic Priority by IP

I'm using Ubuntu 12.10 and looking for a way to shape network traffic based on the IP address. I have a LAN, lets say from 192.168.1.2 - 192.168.1.254. The server is at 192.168.1.1. All IPs should ...
3
votes
1answer
198 views

Method for testing bandwidth/speed between two set points

I often work from home and wanted to see how good the connection was between the two points. I can speed test both locations of course, but that isn't necessarily representative of the actual ...
0
votes
1answer
43 views

How can I see which programs/users are talking to which network addresses and how much ? (Unix/Ubuntu) [duplicate]

Possible Duplicate: Is there a way to find out what application using most of bandwidth in Linux? I'm interested in which programs are using my network connection and how much. I wondered ...
0
votes
0answers
159 views

how to troubleshoot asymmetric speed PPTP VPN speed? (downlink to client is slow, the server bandwidth up, and there is no encryption overhead)

I hope I have a general question motivated by my specific problem: I have acceptable upload speeds and unacceptable download speeds on my VPN while I think both endpoints have quite some bandwidth in ...
1
vote
2answers
79 views

Extended bandwidth test

I need to document the quality of an internet connection (it's crap). Download speeds frequently jump between 12kbps and 3mbps, and packet loss usually sits around 20%, though blackouts lasting up to ...
1
vote
0answers
89 views

Bandwidth usage on MRTG ppp-channel

I have a Billion 7401 VGP router connected to a commercial ISP (ADSL). I have configured a Linux machine to connect via MRTG regularly to collect statistics on the line. I noticed the following ...
0
votes
1answer
88 views

Application-priority based automatic bandwidth distribution in Windows?

Whenever my browser wants to download data, I want it to be granted as much of the bandwidth as it wants, while other applications must do with the leftover bandwidth; and when the browser is not ...
1
vote
1answer
126 views

How to get download and upload bandwidth from Linux via shell?

I'd like to write a shell (bash) script that prints the system's download and/or upload capacities (in Kbps): # Get download bandwidth sh fetch-bandwidth.sh DOWNLOAD > 556 Kbps download bandwidth ...
1
vote
1answer
77 views

How to tell trickled to restore bandwidth to 100%?

I've been reading up on trickled which can be used to throttle both upload and download bandwidth: # Throttle download and upload bandwidths to 100KB. trickled -d 100 -u 100 But none of the ...
0
votes
0answers
46 views

Multiple LANs - network lag

I have a home network setup with a single router that everyone connects to. Sometimes my roommates would have some programs opened that would lag the entire network. So I've seen setups that have ...
2
votes
1answer
123 views

Netflix or Hulu maxing out bandwidth at Airport? [closed]

I work at a smaller international airport and recently the airport authorities are claiming that the network bandwidth is being maxed out due to employees (no more than say 7 personal computers at any ...
1
vote
0answers
50 views

to measure throughput of testing device connect to server via AP

Description of project-> I have a test tool to which DUT connects. The test tool has an access point in it and once DUT get connected to it via mac address we check RSSI and some other features ...
5
votes
4answers
504 views

Why is iTunes using so much data?

I've been told by my ISP I'm using too much bandwidth so after using Activity Monitor to see that I'm using ~2GB a day I've used the nettop command line utility to work out where. Turns out it's ...
3
votes
3answers
345 views

How can I selectively increase latency? E.g. throttle games

Basically, I want networked games to run poorly on a network, but I want everything else to run smoothly. I would also appreciate advice on blocking games in general. As far as I can tell, there's a ...
0
votes
1answer
76 views

Theoretical and Operational bandwidth of different network technologies [closed]

There are so many webpages where these information can be found. Unfortunately, there are so much differences among them that it is really confusing. I need a reliable source(s) where I can find ...
0
votes
0answers
88 views

How to limit Crashplan Bandwith on my NAS outside of Crashplan?

I have a NAS running Crashplan and I'd like to limit the upload bandwidth of the app/protocol outside of the Crashplan software. I have a Synology DS412+ I have a D-Link DGL 4500 router. How could ...
0
votes
0answers
23 views

Use two ADSL modem with together and have one bandwith [duplicate]

Possible Duplicate: Is it possible to combine two internet connections to increase performance? I have two ADSL modem and want to use them with together. I want to have one bandwidth. What ...
1
vote
2answers
329 views

Windows 7 File Downloads Consume All Network Bandwidth

I have a problem diagnosing a bandwidth with a Windows 7 PC on my home network. The PC has both a wired connection to the router as well as a wireless connection. When downloading files, all other ...
1
vote
0answers
49 views

Monitering Bandwidth over lan

I am using ccproxy to moniter which computer in my house is using how much bandwidth. I created an account and set it to "Permit Only" and Authentication type "IP address". I created new account but ...
0
votes
0answers
67 views

Bandwidth planning for non-wired networks [closed]

My understanding is that when network devices and servers communicate with each other, it is the bandwidth available in the cables that connect them that are the primary resource/constraint on ...
0
votes
1answer
230 views

Get Linux to share bandwidth evenly across network connections

This is similar to How can I prioritise network bandwidth on a per application basis?, but does not require control over priorities. I am working on an Ubuntu 11.04 laptop connected to a rather slow ...
0
votes
0answers
271 views

Slow download bandwith from Akamai when using company's DNS

I'm working in a company which got its own DNS servers, like many companies do. But I think they are not well configured. When I download files from popular CDNs like Akamai (read AppStore and Apple ...
0
votes
1answer
88 views

random internet latency issues

We are having lag issues with our internet and have been for a while now. I have contacted our ISP's customer service SEVERAL times regarding the issue. Every time i talk to them they tell me to ...
561
votes
3answers
115k views

Transatlantic ping faster than sending a pixel to the screen?

John Carmack tweeted, I can send an IP packet to Europe faster than I can send a pixel to the screen. How f’d up is that? And if this weren’t John Carmack, I’d file it under “the interwebs being ...
7
votes
3answers
1k views

Increasing network speed on low bandwidth

I'm struggling with the following issue: Given a computer with low-medium CPU/RAM capabilities, and an extremely poor network connection. Poor means here 10-15 kb/s. I would like to do something to ...
3
votes
3answers
385 views

Does a bad Internet connection increase bandwidth usage?

My (Rogers) cable connection has been pretty bad recently (channels 3 and 10 are particularly fuzzy—it’s analog, not digital cable). Not surprisingly, this has caused my cable modem to drop out and ...
2
votes
2answers
658 views

Free Bandwidth Rate Limiter

I have 6 windows (XP/7) computers on a network which only has a 2mb line. We occasionly get times when one of the computers take up the entire line and everyone else hangs. I believe a rate limiter to ...
1
vote
1answer
428 views

Command line: how to get instantaneous bandwidth on a port

I'm trying to get the instantaneous bandwidth usage of eth0, port 10001. I've looked into using lots of different tools, but most of these seem to have an ncurses type output which isn't suitable for ...
1
vote
1answer
2k views

How to monitor router traffic?

I have a Cisco DPC3825 DOCSIS 3.0 modem/router combo. I want to monitor the traffic that passes through my router such as bandwidth usage. I have bandwidth meters like DuMeter on my PC to monitor ...
0
votes
1answer
122 views

One PC blocks Internet access on the network

One (and always the same) PC blocks Internet access on the entire network. It usually happens Sunday morning after not using it on Saturday, but it could happen any time. What happens is that this ...
8
votes
4answers
2k views

If I have two internet connections on osx, how can I use both to increase my bandwidth?

I understand that any one connection (such as a non-p2p download) will use just one of the connections, but since most normal activity involves multiple connections at once, I can still in theory ...
0
votes
1answer
205 views

Can I use my android phone connection and adsl at the same time (to get bigger download speed)?

I'd like to use my android phone internet connection (and, if possible, also my girlfriend's) to speed up my weak adsl (we live on a mountain top). Is there any tool to achieve this result on any ...
1
vote
3answers
721 views

Linux get single bandwidth usage sample

What I want to do is to write a script that gathers some information (like cpu temperature and bandwidth usage) and logs it into a file. I can't figure out how to get a single sample of the current ...
4
votes
3answers
356 views

How can I tweak Firefox and Ubuntu to save network bandwidth?

I have tethered my HP Mini with LG Optimus One (with a 3G connection) and use it often while roaming for reading articles on the web. I am using Ubuntu 11.04 with Firefox 6. Here are the different ...
0
votes
2answers
236 views

GMail and bandwidth consumption lowering

When I am roaming I tether my 'LG Optimus One' to my 'HP Mini' and check some of the forums in GMail in a browser often. It seems to be consuming a lot of network bandwidth. How do I minimize the ...
1
vote
1answer
135 views

Bandwidth usage via 3G high when using ad-hoc network

I am in Turkey and me and my brother use 1 3G network usb adapter for 2 laptops with a 3G network usb card. It seems using ad-hoc, the bandwidth usage goes up BADLY. Even the 3G usage, measuring only ...

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