Messages in this thread |  | | Date | Mon, 8 Jan 2001 19:07:18 +0100 | From | Erik Mouw <> | Subject | Re: Network Performance? |
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On Mon, Jan 08, 2001 at 09:06:45AM -0500, Tim Sailer wrote: > On Mon, Jan 08, 2001 at 09:26:23PM +1100, Andrew Morton wrote: > > You're sending and receiving FTP/TCP/IP4 to Solaris and AIX hosts > > Yup > > > You have a 1000kbyte window size > > Yup > > > You have an 80 megabit/sec pipe. > > Actually, 100 to the router, and then the WAN connection to the remote > system is OC-3 > > > You're getting 1.8 megabits/sec. > > Yup > > > What is the round-trip time on the WAN? > > > > Packet loss? > > 101 packets transmitted, 101 packets received, 0% packet loss > round-trip min/avg/max = 109.6/110.3/112.2 ms
I had similar problems two weeks ago. Turned out the connection between two switches: one of them was hard wired to 100Mbit/s full duplex, the other one to 100Mbit/s half duplex. Just to rule out the obvious...
Erik
-- J.A.K. (Erik) Mouw, Information and Communication Theory Group, Department of Electrical Engineering, Faculty of Information Technology and Systems, Delft University of Technology, PO BOX 5031, 2600 GA Delft, The Netherlands Phone: +31-15-2783635 Fax: +31-15-2781843 Email: J.A.K.Mouw@its.tudelft.nl WWW: http://www-ict.its.tudelft.nl/~erik/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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