From: German, Vinnie (Vgerman@us.nomura.com)
Date: Wed Feb 05 2003 - 10:40:11 EST
I just found out the following:
When ftping to server which I think has a problem here is what "netstat -i
3" is showing:
Notice how small size of pockets are on the 1 to 2 thousands range.
input ce0 output input (Total) output
packets errs packets errs colls packets errs packets errs colls
183403 0 131495 0 0 219570 0 167662 0 0
2 0 0 0 0 18 0 16 0 0
14 0 29 0 0 14 0 29 0 0
7 0 0 0 0 7 0 0 0 0
16 0 0 0 0 16 0 0 0 0
5 0 0 0 0 5 0 0 0 0
2 0 0 0 0 6 0 4 0 0
1128 0 704 0 0 1144 0 720 0 0
1474 0 928 0 0 1474 0 928 0 0
1347 0 832 0 0 1347 0 832 0 0
2019 0 1248 0 0 2019 0 1248 0 0
2109 0 1312 0 0 2109 0 1312 0 0
1897 0 1152 0 0 1897 0 1152 0 0
2664 0 1664 0 0 2664 0 1664 0 0
2795 0 1728 0 0 2795 0 1728 0 0
1206 0 768 0 0 1206 0 768 0 0
1903 0 1152 0 0 1903 0 1152 0 0
1125 0 736 0 0 1125 0 736 0 0
1537 0 1024 0 0 1537 0 1024 0 0
682 0 416 0 0 682 0 416 0 0
1776 0 1088 0 0 1776 0 1088 0 0
861 0 544 0 0 877 0 560 0 0
1444 0 896 0 0 1444 0 896 0 0
1205 0 736 0 0 1205 0 736 0 0
642 0 416 0 0 642 0 416 0 0
137 0 64 0 0 137 0 64 0 0
1821 0 1120 0 0 1821 0 1120 0 0
1498 0 960 0 0 1498 0 960 0 0
1565 0 928 0 0 1565 0 928 0 0
721 0 448 0 0 721 0 448 0 0
2361 0 1440 0 0 2361 0 1440 0 0
2977 0 1824 0 0 2977 0 1824 0 0
2419 0 1472 0 0 2419 0 1472 0 0
3032 0 1856 0 0 3032 0 1856 0 0
1916 0 1216 0 0 1916 0 1216 0 0
2403 0 1440 0 0 2404 0 1441 0 0
2596 0 1600 0 0 2611 0 1615 0 0
1389 0 864 0 0 1389 0 864 0 0
1734 0 1056 0 0 1734 0 1056 0 0
1180 0 736 0 0 1180 0 736 0 0
1334 0 736 0 0 1334 0 736 0 0
13 0 0 0 0 13 0 0 0 0
13 0 0 0 0 13 0 0 0 0
NOW WHEN FTPING TO SERVER WHICH ARE OK NOTICE SIZE OF PACKETS:
NUMBERS IN RED SHOW WHEN FTP START AND WHEN IT ENDS.
NOTICE ALSO THAT IT'S TAKEN 10/12 TIME MUCH LONGER TO SYSTEM WITH PROBLEM.
BIG QUESTION IS AND WHICH I THINK COULD BE THE ANSWER TO THE PROBLE IS
WHY ARE PACKETS 10 TIMES OR SO SMALLER ON SYSTEM WITH PROBLEM?
input ce0 output input (Total) output
packets errs packets errs colls packets errs packets errs colls
59240718 0 113127693 0 0 63298866 0 117185841 0 0
2 0 0 0 0 6 0 4 0 0
13 0 0 0 0 15 0 2 0 0
2 0 0 0 0 7 0 5 0 0
3 0 0 0 0 8 0 5 0 0
2 0 0 0 0 2 0 0 0 0
13 0 0 0 0 17 0 4 0 0
2 0 0 0 0 9 0 7 0 0
2 0 0 0 0 9 0 7 0 0
2 0 0 0 0 2 0 0 0 0
13 0 0 0 0 20 0 7 0 0
2 0 0 0 0 8 0 6 0 0
2 0 0 0 0 4 0 2 0 0
2 0 31 0 0 5 0 34 0 0
7 0 0 0 0 28 0 21 0 0
4 0 0 0 0 6 0 2 0 0
17 0 0 0 0 19 0 2 0 0
4 0 0 0 0 7 0 3 0 0
2 0 0 0 0 8 0 6 0 0
8754 0 4352 0 0 8756 0 4354 0 0
16959 0 8512 0 0 16964 0 8517 0 0
15841 0 7936 0 0 15844 0 7939 0 0
15076 0 7584 0 0 15078 0 7586 0 0
2 0 32 0 0 7 0 37 0 0
2 0 0 0 0 6 0 4 0 0
13 0 0 0 0 13 0 0 0 0
2 0 0 0 0 6 0 4 0 0
> -----Original Message-----
> From: German, Vinnie
> Sent: Wednesday, February 05, 2003 9:24 AM
> To: sunmanagers@sunmanagers.org
> Subject: ftping very slow just to one specific server on the network
> ...???
>
> Hello Managers:
>
> I have a very insteresting situation here. Lots of servers on the same
> subnet .101 and
> when I try to ftp from server "A" to server "B" it will take 12/15 minutes
> or so to ftp
> a file which will usually take 30 seconds to ftp to any other server on
> the network.
>
> I have 100mbit connection and 1gig connection. The server ftping from
> server "A" is 100mbit
> and server ftping to server "B" is 1gig.
>
> I had worked alone with network people and everything seems to be normal
> on the network side
> and switch side.
>
> I had checked both server with ndd and netstat command to make sure
> they're at 100mbit and 1gig.
>
> Setup on server "B" server I'm ftping to seems to be same as all other
> server I could ftp to without
> any problem.
>
> Server I'm ftping from is an E4500 running Sol 8 and server ftping to is a
> 280R also running Solaris 8.
>
> Will really appreciate any suggestion on this.
> Thanks so much for your cooperation,
> Vinnie.
>
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