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- Use iperf for quick and easy network tests
- GUI?I don't find the GUI shown in the article. I have a terminal iperf already installed on my Linux box, but it doesn't work, it hangs.I tried the windows executable under wine and the jperf package. No GUI anywhere. =(Need JPerf for GUIThink you need JPerf for GUI - if...
- Tags: Linux, network, Need JPerf, GUI
- Discussion threads 2008-11-17
- iperf on Linux
- I am running iperf on Linux (Debian, specifically, if that matters), and I have two questions.1) When I run iperf -s -w (Where N is some numerical value, iperf reports ack a window size of 2*N (Warning: requested N). What causes that? How do I fix it?2) Where...
- Tags: Operating systems, UNIX, OPEN SOURCE, shardeth, Linux
- Discussion threads 2007-08-17
- Measuring End-to-End Bandwidth With Iperf Using Web100
- End-to-end bandwidth estimation tools like Iperf though fairly accurate are intrusive. This paper describes how with an instrumented TCP stack (Web100), one can estimate the end-to-end bandwidth accurately, while consuming significantly less network bandwidth and time. The paper modified Iperf to use Web100 to detect the end of slow-start and...
- Tags: Bandwidth, Network, Stanford University, Tcp/Ip, Networking
- White papers 2008-01-01
- Handy iperf commands for quick network testing
- The free network tool iperf is among the more easy-to-use on the Internet today. Rick Vanover shows some frequently used commands in iperf that you can use for quick network testing. by Rick Vanover
- Tags: Network, Connection, Rick Vanover, Client Connection, Servers, Networking, Hardware
- Blog posts 2008-11-23
- network segment gets disconnected
- i have 120 system in my network with 4 network segment out of them two segment gets disconnected frequently i have windows 2003 dhcp server and windows 2000 pro client network each segment has seprate fiber chanel and even my erp (client-server application) also having some data acess problemSounds...
- Tags: fiber, it management, manohar_deore@..., network, network segment
- Q&A 2005-09-06
- Wireless Conectivity Problem with Oracle
- Hi All!, I have a wireless network connecting with a Oracle server.I have nearly 10 systems located around 500 meters within the range of the oracle server.I am using 3 Access Points(D-Link 1700) connected in three buildings in which all the systems including the server is...
- Tags: antennae, AP, Associated Press, networking, Oracle Corp., rs_vivek@..., RTO, server, wireless
- Q&A 2005-08-12
- Problem with wireless
- hi members.....actually, some of my office use wireless network.the problem come when they want orint their document, sometime them cannot get the printer.the printer actually connect to one of the staff..another problem is....also same also same wt first problem but this time, some of the user cannot get the ap,...
- Tags: ap, azudean@..., it management, wireless
- Q&A 2005-08-29
- Wireless & Wired Speeds
- I hope I do not sound like a complete idiot. Comcast offers speeds of up to 6Mbps (6 mega bits per second).802.11g transmits to over short distances up to 54Mbps.How come my comcast connection seems much faster than my 802.11g connection?Many variables not defined...Are you talking about transferring files...
- Tags: cable, jshep, networking, T1, Wired Inc., wireless, wireless ISP
- Discussion threads 2005-09-15
- Accessing Web Slow
- All my company PCs have this problem:1) Accessing the intranet web very slow2) Downloading of files from the intranet very slowWhat could be the problem & resolution done?can be many reasons , can you run some tests and give more hints ? may be while doing that you will see...
- Tags: Accessing Web Slow, it management, nt259, server, Web
- Q&A 2005-10-12
- Slow WAN Speed over DS3
- I have a WAN connection setup from NYC to LA with a shared IP address for load balancing. This line has a dedicated 12 MB line but we are having troubles in trying to get it to connect and transmit at any speeds over 3 MB. I have...
- Tags: bandwidth, Committed Information Rate, DS3, IT-Thunder, WAN, windows
- Q&A 2006-01-19
- TCP/IP Network using an EPON
- Our main office connects to a small remote office using a 10Meg EPON. Our three primary business applications use three different database engines. We are having a serious lag problem with two of the "older" applications. The newer application doesn't seem to have a problem. In a "sterile" test environment,...
- Tags: NETWORKING, Network technology, jim.spring@..., TCP/IP
- Discussion threads 2007-04-17
- End-to-End Flow Monitoring With IPFIX
- End-to-End (E2E) flow monitoring is useful for observing performance of networks such as throughput, loss rate, and jitter. Typically, E2E flow monitoring is carried out at end hosts with known tools such as iperf. However, in a large-scale network, the end-host approach for performance measurement may not be easily deployed...
- Tags: Monitoring
- White papers 2007-05-18
- Handy iperf commands for quick network testing
- Question about similar softwareDo you have any other open source software recommendations for seeing the network bandwidth usage? I'd love to hear them if you do. Thanks!Similar software for bandwidth usageI too am interested in other open source software for seeing the network bandwidth usage."Check back next week"I should get...
- Tags: Tools & Techniques, network, Netcps, open-source software, software, open source
- Discussion threads 2008-11-24
- Lenovo S10 ExpressCard expansion slot
- So, this is part obsevation/review and part question...I put a 500gb SATA 2.5" drive in my S10. Recently, I had a reason to copy over a bunch of home video in AVI format - which is when I realized one of the limitations of the Netbook architecture with a focus...
- Tags: Chipsets, Netbooks, nettops & MIDs, LANs, Network technology, Flash memory, Semiconductors, S10, Lenovo Group Ltd., Expresscard
- Discussion threads 2009-01-21
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