Odd network issue ... *very* slow scp between two servers
Marc G. Fournier
scrappy at hub.org
Sat Mar 6 17:08:52 PST 2004
On Sat, 6 Mar 2004, Mike Tancsa wrote:
> At 12:48 PM 06/03/2004, Marc G. Fournier wrote:
> >the fxp device is running:
> > media: Ethernet autoselect (100baseTX <full-duplex>)
> >
> >the em device is running:
> > media: Ethernet 100baseTX <full-duplex>
>
> what does netstat -ni show on both machines for those NICs ? Is the switch
> managed ? If so, see if there are any errors. Also run the tests where
> there is little load going on. A load of 7 is going to impact something
> that needs cpu power (i.e. the ssh encryption)
re: cpu power ... note that I'm not doing anything special as far as ssh
is concerned for the tests ... just using pure ftp ... I thought about the
encryption/cpu stuff for doing the tests ...
Also, is there a way, without a reboot, to "reset" the values from netstat
-ni?
Utime of 38days, fxp device:
jupiter# netstat -ni
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
fxp0 1500 <Link#1> 00:03:47:30:a7:1b 345383190 1 369483175 1 0
fxp0 1500 192.168.0 192.168.0.2 1696567 - 1641772 - -
fxp0 1500 200.46.204 200.46.204.3 987470156 - 1288203963 - -
fxp0 1500 200.46.204.71 200.46.204.71 187199948 - 11419874 - -
fxp0 1500 200.46.204.73 200.46.204.73 542557 - 173248 - -
fxp0 1500 200.46.204.14 200.46.204.145 55466 - 18433 - -
fxp0 1500 200.46.204.16 200.46.204.167 372995 - 74770 - -
fxp0 1500 200.46.204.18 200.46.204.182 41019822 - 1171098 - -
fxp0 1500 200.46.204.19 200.46.204.197 58929 - 18699 - -
fxp0 1500 200.46.204.16 200.46.204.16 1032164 - 414965 - -
fxp0 1500 200.46.204.18 200.46.204.18 234154 - 58828 - -
fxp0 1500 200.46.204.57 200.46.204.57 163146 - 46629 - -
fxp0 1500 200.46.204.19 200.46.204.199 328848 - 40467 - -
fxp0 1500 200.46.204.20 200.46.204.201 484270 - 53513 - -
fxp0 1500 200.46.204.46 200.46.204.46 170763 - 21802 - -
fxp0 1500 200.46.204.20 200.46.204.202 74370 - 23707 - -
fxp0 1500 200.46.204.45 200.46.204.45 295479 - 61179 - -
fxp0 1500 200.46.204.20 200.46.204.204 139619 - 29121 - -
fxp0 1500 200.46.204.59 200.46.204.59 186158 - 39353 - -
fxp0 1500 200.46.204.20 200.46.204.206 62224 - 23471 - -
fxp0 1500 200.46.204.21 200.46.204.210 369213 - 70792 - -
fxp0 1500 200.46.204.21 200.46.204.211 6011561 - 5693339 - -
fxp0 1500 200.46.204.21 200.46.204.213 264988 - 149447 - -
fxp0 1500 200.46.204.14 200.46.204.14 2562578 - 1302149 - -
fxp0 1500 200.46.204.77 200.46.204.77 64410 - 19860 - -
fxp0 1500 200.46.204.21 200.46.204.214 75827 - 35438 - -
fxp0 1500 200.46.204.76 200.46.204.76 146356 - 19558 - -
fxp0 1500 200.46.204.78 200.46.204.78 60962 - 19553 - -
fxp0 1500 200.46.204.66 200.46.204.66 420061 - 106778 - -
fxp0 1500 200.46.204.23 200.46.204.23 58614 - 19549 - -
fxp0 1500 200.46.204.21 200.46.204.21 81978 - 26951 - -
fxp0 1500 200.46.204.23 200.46.204.235 135419 - 24683 - -
fxp0 1500 200.46.204.43 200.46.204.43 370134 - 21605 - -
fxp0 1500 200.46.204.68 200.46.204.68 69296 - 19684 - -
fxp0 1500 200.46.204.62 200.46.204.62 81645 - 18772 - -
fxp0 1500 200.46.204.24 200.46.204.24 64638 - 18935 - -
fxp0 1500 200.46.204.30 200.46.204.30 214915 - 22174 - -
fxp0 1500 200.46.204.35 200.46.204.35 63671 - 18825 - -
fxp0 1500 200.46.204.48 200.46.204.48 165665 - 35203 - -
fxp0 1500 200.46.204.41 200.46.204.41 678981 - 36880 - -
fxp0 1500 200.46.204.44 200.46.204.44 67899 - 18770 - -
fxp0 1500 200.46.204.49 200.46.204.49 109952 - 20497 - -
fxp0 1500 200.46.204.85 200.46.204.85 85634 - 20415 - -
fxp0 1500 200.46.204.58 200.46.204.58 213410 - 131228 - -
fxp0 1500 200.46.204.63 200.46.204.63 217976 - 32161 - -
fxp0 1500 200.46.204.64 200.46.204.64 63198 - 18433 - -
fxp0 1500 200.46.204.69 200.46.204.69 81531 - 18471 - -
fxp0 1500 200.46.204.75 200.46.204.75 675483 - 181483 - -
fxp0 1500 200.46.204.82 200.46.204.82 2439300 - 299056 - -
fxp0 1500 200.46.204.86 200.46.204.86 77058 - 19421 - -
fxp0 1500 200.46.204.87 200.46.204.87 217143 - 20348 - -
fxp0 1500 200.46.204.88 200.46.204.88 354164 - 56194 - -
fxp0 1500 200.46.204.21 200.46.204.215 65691 - 1366 - -
fxp0 1500 200.46.204.38 200.46.204.38 143825 - 18084 - -
fxp0 1500 200.46.204.11 200.46.204.111 70415 - 4630 - -
fxp0 1500 200.46.204.13 200.46.204.130 60041 - 15083 - -
fxp0 1500 200.46.204.13 200.46.204.133 8770 - 128 - -
fxp0 1500 200.46.204.15 200.46.204.150 2893 - 101 - -
fxp0 1500 200.46.204.17 200.46.204.178 2910 - 101 - -
fxp1* 1500 <Link#2> 00:03:47:30:a7:1c 0 0 0 0 0
lo0 16384 <Link#3> 944536561 0 944536561 0 0
lo0 16384 127 127.0.0.1 18097 - 18097 - -
Uptime of 57days, em device:
neptune# netstat -ni
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
em0 1500 <Link#1> 00:07:e9:05:1b:2e 760794856 58002330 775900767 0 0
em0 1500 192.168.0 192.168.0.1 109171 - 35890 - -
em0 1500 200.46.204 200.46.204.2 677664597 - 1176365382 - -
em0 1500 200.46.204.13 200.46.204.13 2091667 - 611963 - -
em0 1500 200.46.204.17 200.46.204.17 684580 - 151528 - -
em0 1500 200.46.204.20 200.46.204.20 1089863 - 375859 - -
em0 1500 200.46.204.14 200.46.204.142 1050090 - 30380 - -
em0 1500 200.46.204.17 200.46.204.174 140928 - 40304 - -
em0 1500 200.46.204.17 200.46.204.177 612608 - 178468 - -
em0 1500 200.46.204.14 200.46.204.146 2352536 - 47116 - -
em0 1500 200.46.204.17 200.46.204.173 82991 - 28641 - -
em0 1500 200.46.204.21 200.46.204.218 4996818 - 1404142 - -
em0 1500 200.46.204.20 200.46.204.207 28134252 - 3084223 - -
em0 1500 200.46.204.10 200.46.204.107 618058330 - 530713371 - -
em0 1500 200.46.204.11 200.46.204.113 1954331224 - 1775049769 - -
em0 1500 200.46.204.10 200.46.204.108 170747088 - 87141258 - -
em0 1500 200.46.204.11 200.46.204.115 19879264 - 9947015 - -
em0 1500 200.46.204.83 200.46.204.83 2526483 - 139087 - -
em0 1500 200.46.204.11 200.46.204.114 345697986 - 345615159 - -
em0 1500 200.46.204.20 200.46.204.200 4771529 - 2236639 - -
em0 1500 200.46.204.15 200.46.204.152 58750248 - 55795007 - -
em0 1500 200.46.204.47 200.46.204.47 187576 - 123983 - -
em0 1500 200.46.204.12 200.46.204.128 1513330 - 1127112 - -
em0 1500 200.46.204.20 200.46.204.203 108804733 - 93393987 - -
em0 1500 200.46.204.21 200.46.204.216 169796 - 72448 - -
em0 1500 200.46.204.23 200.46.204.238 641998 - 82805 - -
em0 1500 200.46.204.22 200.46.204.227 742542 - 506454 - -
em0 1500 200.46.204.14 200.46.204.148 173117 - 128037 - -
em0 1500 200.46.204.13 200.46.204.131 144766 - 75200 - -
em0 1500 200.46.204.13 200.46.204.138 15210 - 6691 - -
em1* 1500 <Link#2> 00:07:e9:05:1b:2f 0 0 0 0 0
lo0 16384 <Link#3> 3326829156 0 3326829156 0 0
lo0 16384 127 127.0.0.1 45416 - 45416 - -
----
Marc G. Fournier Hub.Org Networking Services (http://www.hub.org)
Email: scrappy at hub.org Yahoo!: yscrappy ICQ: 7615664
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