Re: Diagnose co-location networking problem

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To: <alex@...>
Cc: <freebsd-net@...>
Date: Wednesday, December 27, 2006 - 1:55 am

Ok, thanks, I now ran tcpdump with -n.

Here I am testing with a little script that continuously accesses one
of the pages.
Right at the beginning it doesn't get very far: first response after 90 seconds.

What kind of DNS problem did you have in mind?

Stephan

$ sudo /usr/sbin/tcpdump -n host stbgo.org
Password:
tcpdump: listening on eth0
21:40:22.162536 192.168.2.54.35932 > 65.110.18.138.80: S
1526509984:1526509984(0) win 5840 <mss 1460,sackOK,timestamp 980
52714 0,nop,wscale 0> (DF)
21:40:25.160150 192.168.2.54.35932 > 65.110.18.138.80: S
1526509984:1526509984(0) win 5840 <mss 1460,sackOK,timestamp 980
53014 0,nop,wscale 0> (DF)
21:40:31.160150 192.168.2.54.35932 > 65.110.18.138.80: S
1526509984:1526509984(0) win 5840 <mss 1460,sackOK,timestamp 980
53614 0,nop,wscale 0> (DF)
21:40:43.160143 192.168.2.54.35932 > 65.110.18.138.80: S
1526509984:1526509984(0) win 5840 <mss 1460,sackOK,timestamp 980
54814 0,nop,wscale 0> (DF)
21:41:07.160149 192.168.2.54.35932 > 65.110.18.138.80: S
1526509984:1526509984(0) win 5840 <mss 1460,sackOK,timestamp 980
57214 0,nop,wscale 0> (DF)
21:41:55.160152 192.168.2.54.35932 > 65.110.18.138.80: S
1526509984:1526509984(0) win 5840 <mss 1460,sackOK,timestamp 980
62014 0,nop,wscale 0> (DF)
21:41:55.174033 65.110.18.138.80 > 192.168.2.54.35932: S
432853648:432853648(0) ack 1526509985 win 65535 <mss 1460,nop,ws
cale 1,nop,nop,timestamp 719800431 98062014,sackOK,eol> (DF)
21:41:55.174139 192.168.2.54.35932 > 65.110.18.138.80: . ack 1 win
5840 <nop,nop,timestamp 98062015 719800431> (DF)
21:41:55.175738 192.168.2.54.35932 > 65.110.18.138.80: P 1:15(14) ack
1 win 5840 <nop,nop,timestamp 98062015 719800431> (
DF)
21:41:55.290528 65.110.18.138.80 > 192.168.2.54.35932: . ack 15 win
33304 <nop,nop,timestamp 719800549 98062015> (DF)
21:41:55.290665 192.168.2.54.35932 > 65.110.18.138.80: P 15:73(58) ack
1 win 5840 <nop,nop,timestamp 98062027 719800549>
(DF)




On 12/26/06, alex@pilosoft.com <alex@pilosoft.com> wrote:


-- 
Stephan Wehner
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Messages in current thread:
Diagnose co-location networking problem, Stephan Wehner, (Tue Dec 26, 10:45 pm)
Re: Diagnose co-location networking problem, Matthew Hudson, (Wed Dec 27, 6:18 pm)
Re: Diagnose co-location networking problem, Stephan Wehner, (Thu Dec 28, 2:08 am)
Re: Diagnose co-location networking problem, Matthew Hudson, (Thu Dec 28, 4:31 pm)
Re: Diagnose co-location networking problem, Stephan Wehner, (Tue Jan 2, 12:07 am)
Re: Diagnose co-location networking problem, Matthew Hudson, (Thu Jan 4, 3:34 pm)
Re: Diagnose co-location networking problem, Stephan Wehner, (Fri Jan 5, 2:33 am)
Re: Diagnose co-location networking problem, Gary Palmer, (Thu Dec 28, 1:31 pm)
Re: Diagnose co-location networking problem, Bill Vermillion, (Thu Dec 28, 8:07 am)
Re: Diagnose co-location networking problem, Stephan Wehner, (Thu Dec 28, 12:31 pm)
Re: Diagnose co-location networking problem, Bill Vermillion, (Thu Dec 28, 5:46 pm)
Re: Diagnose co-location networking problem, Bill Vermillion, (Wed Dec 27, 9:45 am)
Re: Diagnose co-location networking problem, Stephan Wehner, (Wed Dec 27, 1:55 am)