----- Original Message ----- From: "Stacey Roberts" <[EMAIL PROTECTED]> To: "Mark" <[EMAIL PROTECTED]> Cc: "FreeBSD Questions" <[EMAIL PROTECTED]> Sent: Tuesday, December 17, 2002 10:47 AM Subject: Re: Upload substantially slower than download
> Hi Mark, > Thanks for the output. Dear Stacey, Thank you for your excellent way of explaining the intricacies of tcpdump. :) > If its an ftp transfer then please try specify the port number (21) > and re-run the test transfers. Well, it showed nothing on port 21 -- I presume because data goes over port 22. But your remark is quite perceptive nonetheless, as I suddenly realized I am not doing FTP; that is, not directy: SSH2 is doing FTP. So, I dropped SecureFX out of SSH2 mode; and lo and behold, uploads are now around ~1800K/s! :) Rather peculiar; but a relief nonetheless, as, at least I know the likelihood of having to deal with some spurious hardware problem has decreased. > To verify: > test-server.net is the FBSD box > 192.168.79.3 is the WinXP box True. --------------------------------------------- 11:40:18.067571 192.168.79.3.3422 > test-server.net..iad1: . 57948117:57949577(1460) ack 1 win 17520 (DF) 11:40:18.067599 test-server.net..iad1 > 192.168.79.3.3422: . ack 57949577 win 58400 (DF) 11:40:18.067693 192.168.79.3.3422 > test-server.net..iad1: . 57949577:57951037(1460) ack 1 win 17520 (DF) 11:40:18.067817 192.168.79.3.3422 > test-server.net..iad1: . 57951037:57952497(1460) ack 1 win 17520 (DF) 11:40:18.067843 test-server.net..iad1 > 192.168.79.3.3422: . ack 57952497 win 56940 (DF) 11:40:18.067940 192.168.79.3.3422 > test-server.net..iad1: . 57952497:57953957(1460) ack 1 win 17520 (DF) 11:40:18.067965 test-server.net..iad1 > 192.168.79.3.3422: . ack 57953957 win 58400 (DF) 11:40:18.068063 192.168.79.3.3422 > test-server.net..iad1: . 57953957:57955417(1460) ack 1 win 17520 (DF) 11:40:18.068186 192.168.79.3.3422 > test-server.net..iad1: . 57955417:57956877(1460) ack 1 win 17520 (DF) 11:40:18.068202 test-server.net..iad1 > 192.168.79.3.3422: . ack 57956877 win 56940 (DF) 11:40:18.068309 192.168.79.3.3422 > test-server.net..iad1: . 57956877:57958337(1460) ack 1 win 17520 (DF) 11:40:18.068333 test-server.net..iad1 > 192.168.79.3.3422: . ack 57958337 win 58400 (DF) 11:40:18.068432 192.168.79.3.3422 > test-server.net..iad1: . 57958337:57959797(1460) ack 1 win 17520 (DF) 11:40:18.068556 192.168.79.3.3422 > test-server.net..iad1: . 57959797:57961257(1460) ack 1 win 17520 (DF) 11:40:18.068576 test-server.net..iad1 > 192.168.79.3.3422: . ack 57961257 win 56940 (DF) 11:40:18.068678 192.168.79.3.3422 > test-server.net..iad1: . 57961257:57962717(1460) ack 1 win 17520 (DF) 11:40:18.068713 test-server.net..iad1 > 192.168.79.3.3422: . ack 57962717 win 58400 (DF) 11:40:18.068801 192.168.79.3.3422 > test-server.net..iad1: . 57962717:57964177(1460) ack 1 win 17520 (DF) 11:40:18.068861 192.168.79.3.3422 > test-server.net..iad1: P 57964177:57964824(647) ack 1 win 17520 (DF) 11:40:18.068880 test-server.net..iad1 > 192.168.79.3.3422: . ack 57964824 win 57753 (DF) .... 11:45:55.518098 test-server.net..ssh > 192.168.79.3.3218: P 38601376:38601536(160) ack 659473 win 58400 (DF) [tos 0x10] 11:45:55.518157 192.168.79.3.3218 > test-server.net..ssh: . ack 38601376 win 16912 (DF) 11:45:55.518191 test-server.net..ssh > 192.168.79.3.3218: P 38601536:38601664(128) ack 659473 win 58400 (DF) [tos 0x10] 11:45:55.518271 test-server.net..ssh > 192.168.79.3.3218: P 38601664:38601824(160) ack 659473 win 58400 (DF) [tos 0x10] 11:45:55.518328 192.168.79.3.3218 > test-server.net..ssh: . ack 38601664 win 16624 (DF) 11:45:55.518378 test-server.net..ssh > 192.168.79.3.3218: P 38601824:38601984(160) ack 659473 win 58400 (DF) [tos 0x10] 11:45:55.518453 test-server.net..ssh > 192.168.79.3.3218: P 38601984:38602112(128) ack 659473 win 58400 (DF) [tos 0x10] 11:45:55.518515 192.168.79.3.3218 > test-server.net..ssh: . ack 38601984 win 16304 (DF) 11:45:55.518555 test-server.net..ssh > 192.168.79.3.3218: P 38602112:38602160(48) ack 659473 win 58400 (DF) [tos 0x10] 11:45:55.518672 192.168.79.3.3218 > test-server.net..ssh: . ack 38602160 win 16128 (DF) 99927 packets received by filter 135 packets dropped by kernel --------------------------------------------- Hmm, is the packet-loss something I need to worry about? About a 0.14% packet loss. Although I do not see why any packet should be lost (or are they?), this can still not account for the discrepancy between ~1800K/s upload vs. 2700K/s download. But I can live with speeds like that. :) Thanks again for all your help, and to all others who contributed. - Mark To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-questions" in the body of the message
