Re: Bandwidth issues in the Sprint network
You can also use ttcp from the command line, useful if its cisco on both ends of the circuit. sr01#ttcp transmit or receive [receive]: transmit Target IP address: 1.1.1.1 calculate checksum during buffer write [y]: perform tcp half close [n]: send buflen [32768]: send nbuf [2048]: bufalign [16384]: bufoffset [0]: port [5001]: sinkmode [y]: buffering on writes [y]: show tcp information at end [n]: ttcp-t: buflen=32768, nbuf=2048, align=16384/0, port=5001 tcp -> 1.1.1.1 sr02#ttcp transmit or receive [receive]: receive packets asynchronously [n]: perform tcp half close [n]: receive buflen [32768]: bufalign [16384]: bufoffset [0]: port [5001]: sinkmode [y]: rcvwndsize [32768]: ack frequency [0]: delayed ACK [y]: show tcp information at end [n]: ttcp-r: buflen=32768, align=16384/0, port=5001 rcvwndsize=32768, delayedack=yes tcp ---- Michael Holstein <michael.holstein@csuohio.edu> wrote:
Does anyone know of bootable Linux CD with iperf on it?
Knoppix STD (security tools distro)
http://www.knoppix-std.org/tools.html
Cheers,
Michael Holstein Cleveland State University
Good idea, but the other side doesn't have a Cisco box. Frank -----Original Message----- From: rcheung@rochester.rr.com [mailto:rcheung@rochester.rr.com] Sent: Wednesday, April 09, 2008 11:02 AM To: Michael Holstein Cc: frnkblk@iname.com; nanog@merit.edu Subject: Re: Bandwidth issues in the Sprint network You can also use ttcp from the command line, useful if its cisco on both ends of the circuit. sr01#ttcp transmit or receive [receive]: transmit Target IP address: 1.1.1.1 calculate checksum during buffer write [y]: perform tcp half close [n]: send buflen [32768]: send nbuf [2048]: bufalign [16384]: bufoffset [0]: port [5001]: sinkmode [y]: buffering on writes [y]: show tcp information at end [n]: ttcp-t: buflen=32768, nbuf=2048, align=16384/0, port=5001 tcp -> 1.1.1.1 sr02#ttcp transmit or receive [receive]: receive packets asynchronously [n]: perform tcp half close [n]: receive buflen [32768]: bufalign [16384]: bufoffset [0]: port [5001]: sinkmode [y]: rcvwndsize [32768]: ack frequency [0]: delayed ACK [y]: show tcp information at end [n]: ttcp-r: buflen=32768, align=16384/0, port=5001 rcvwndsize=32768, delayedack=yes tcp ---- Michael Holstein <michael.holstein@csuohio.edu> wrote:
Does anyone know of bootable Linux CD with iperf on it?
Knoppix STD (security tools distro)
http://www.knoppix-std.org/tools.html
Cheers,
Michael Holstein Cleveland State University
participants (2)
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Frank Bulk
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rcheung@rochester.rr.com