Till today I have not been able to run Nistnet either. If you are able to run can you share you approach?
Thanks ----- Original Message ---- From: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> To: nistnet@antd.nist.gov Sent: Saturday, December 8, 2007 1:30:38 PM Subject: [nistnet] Re: nistnet Digest, Vol 27, Issue 2 Hi I am trying to install NISTNet on Ubuntu and i saw that you have provided a webpage to get the patch. But that page is not opening, i have problems copying the patch...I get an error " Cannot open data connection" Can you help me Thank You Sriram Quoting [EMAIL PROTECTED]: > Send nistnet mailing list submissions to > nistnet@antd.nist.gov > > To subscribe or unsubscribe via the World Wide Web, visit > http://www-x.antd.nist.gov/mailman/listinfo/nistnet > or, via email, send a message with subject or body 'help' to > [EMAIL PROTECTED] > > You can reach the person managing the list at > [EMAIL PROTECTED] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of nistnet digest..." > > > Today's Topics: > > 1. nistnet on linux-2.6.23 (Ernst van der Plas) > 2. Re: [Help] - NISTNET occupy lots of soft interrupts while > traffic up (Ernst van der Plas) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 04 Dec 2007 12:18:52 +0100 > From: Ernst van der Plas <[EMAIL PROTECTED]> > Subject: [nistnet] nistnet on linux-2.6.23 > To: nistnet@antd.nist.gov > Message-ID: <[EMAIL PROTECTED]> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Hi List, > > recently Gabriel got NistNet working on a 2.6.23 kernel with the > patches I provided. I made the patch and the information I gave him > available on a web site. Maybe they are of use to someone else as well. > > http://www.aimvalley.com/ site and folow the Open Source link. > > > > > -- > This message has been scanned for viruses and is believed to be clean > > > > ------------------------------ > > Message: 2 > Date: Tue, 04 Dec 2007 12:26:02 +0100 > From: Ernst van der Plas <[EMAIL PROTECTED]> > Subject: Re: [nistnet] [Help] - NISTNET occupy lots of soft interrupts > while traffic up > To: [EMAIL PROTECTED] > Cc: nistnet@antd.nist.gov, [EMAIL PROTECTED] > Message-ID: <[EMAIL PROTECTED]> > Content-Type: text/plain; charset=UTF-8; format=flowed > > Stephen > > I have no experience with irq balance. I do remember to have seen > though, that with a certain level of interrupt the irq's are divided > between the 2 cores of a dual core machine. Which again intruduces a > greater variance in inter packet delay. > > I dont know about the engineering limit of NistNet. > > Ernst > > > [EMAIL PROTECTED] wrote: >> Hi Ernst >> >> Thanks for your prompt reply. I will try once I get a better >> understanding of what NAPI is? And is it useful to look into IRQ balance >> as well? >> >> Another question, what is the engineering limit for NISTNet traffic? >> >> According to the calibration result on NISTnet webpage, it could be up >> to 1Gbps. However, my testing results shows that the maximum supported is >> >> 80,000 packet/s×512byte×8=320Mbps. >> >> Thanks >> >> Stephen >> >> >> >> -----Original Message----- >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] >> Sent: 2007年12月4日 16:11 >> To: Stephen Wang >> Cc: nistnet@antd.nist.gov >> Subject: Re: [nistnet] [Help] - NISTNET occupy lots of soft interrupts >> while traffic up >> >> Stephen, >> >> It could be that if youre system receives an interrupt for every packet >> >> that is received and send. It is bound to choke at some point. You >> >> could try to enable NAPI in the kernel. Which switches from interrupts >> >> to polling when a certain level of interrupts is met. However you will >> >> get some clustering of the send packets. i.e. the send inter packet >> >> delay will vary somewhat more than with the interrupts. >> >> Ernst >> >>> >> >>> >> >>> Dear NISTNET Supporter >> >>> >> >>> >> >>> >> >>> I have been experiencing problems when testing NISTNET with Smartbit >> >>> 6000C. Could you please help? Thanks in advance. >> >>> >> >>> >> >>> >> >>> >> >>> >> >>> Test Platform >> >>> >> >>> _____________<_____________ >> >>> | eth1 | eth0 >> >>> NISTNet server SmartBit 6000B >> >>> | eth2 | eth3 >> >>> ------------------------>---------------------- >> >>> >> >>> >> >>> >> >>> Smartbit(6000B) : 2¡Á1000M SX fiber >> >>> >> >>> NISTNET Server: 2 x 3.2GHz CPU (Dual Core), 4G RAM, 2 ¡ÁHP >>> NC373F PCI >> >>> Express Gigabits >> >>> >> >>> Red Hat Linux Kernel: 2.6.13 >> >>> >> >>> NISTNET: 2.0.12c >> >>> >> >>> >> >>> >> >>> >> >>> >> >>> IP£º >> >>> eth0 = 10.100.10.14/24 >> >>> eth1 = 10.100.10.15/24 >> >>> eth2 = 10.100.20.15/24 >> >>> eth3 = 10.100.20.14/24 >> >>> >> >>> >> >>> >> >>> >> >>> >> >>> Test Strategy >> >>> >> >>> Smartbit sends IP packet from eth0 to eth3; NISTNET server starts the IP >> >>> Forwarding; Meanwhile NISTNET injects delay. >> >>> >> >>> >> >>> >> >>> 1. Don¡¯t start NISTNET, drive through 800Mbps traffic >>> from eth0, on >> >>> NISTNET server, with ¡°top¡± command see that ksoftirqd/0 >>> process takes up >> >>> almost 99% CPU, about 0.01 % packet loss are seen on >> >>> >> >>> eth3, >> >>> >> >>> 2. Start NISTNET, inject delay,jitter cnistnet ¨Ca 10.100.10.14 >> >>> 10.100.20.14 add new ¨Cdelay 15 5 >> >>> >> >>> The traffic exceeds 350Mbps, with ¡°top¡± command we see that SI (soft >> >>> interrupt) of CPU increasing dramatically. And even the server will go >> >>> down. >> >>> >> >>> >> >>> >> >>> >> >>> >> >>> Enquiry >> >>> >> >>> Why NISTNET will occupy so many SI resources of CPU when traffic is up? >> >>> Any ideas to improve? >> >>> >> >>> >> >>> >> >>> >> >>> >> >>> Thanks >> >>> >> >>> Stephen >> >>> >> >>> >> >>> >> >>> >> >>> >> >>> >> >>> >> >>> >> >>> -- >> >>> This message has been scanned for viruses and is believed to be clean >> >>> >> >>> _______________________________________________ >> >>> nistnet mailing list >> >>> nistnet@antd.nist.gov >> >>> http://www-x.antd.nist.gov/mailman/listinfo/nistnet >> >>> >> >> >> >> -- >> >> This message has been scanned for viruses and is believed to be clean >> >> >> -- >> This message has been scanned for viruses and is believed to be clean. > > > -- > This message has been scanned for viruses and is believed to be clean > > > > ------------------------------ > > _______________________________________________ > nistnet mailing list > nistnet@antd.nist.gov > http://www-x.antd.nist.gov/mailman/listinfo/nistnet > > > End of nistnet Digest, Vol 27, Issue 2 > ************************************** > > _______________________________________________ nistnet mailing list nistnet@antd.nist.gov http://www-x.antd.nist.gov/mailman/listinfo/nistnet ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! 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