[Bug 254159] [tcp] Keepalive not working/tcp rst tolerance
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bugzilla-noreply at freebsd.org
Wed Mar 10 13:55:02 UTC 2021
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254159
ant2 <ant_mail at inbox.ru> changed:
What |Removed |Added
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CC| |ant_mail at inbox.ru
--- Comment #2 from ant2 <ant_mail at inbox.ru> ---
Created attachment 223153
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=223153&action=edit
pcap from server side
I've made pcap only from server side because I thought that it is enough for
full view.
But it show good behavior except for the probe after connection termination.
This file was dumped during 30 minutes. Meanwhile the connection is stillalive
on server:
right after killing client:
tcp4 0 0 192.168.0.3.3050 192.168.0.2.1316 0 0
0 0 65700 99116 1 2048 0 0 525600 792928 0.00
0.00 870.08 0.00 0.00 15.11
tcp4 0 0 192.168.0.3.3050 192.168.0.2.1316 0 0
0 0 65700 99116 1 2048 0 0 525600 792928 0.00
0.00 420.41 0.00 0.00 464.78
tcp4 0 0 192.168.0.3.3050 192.168.0.2.1316 0 0
0 0 65700 99116 1 2048 0 0 525600 792928 0.00
0.00 17.44 0.00 0.00 32.55
tcp4 0 0 192.168.0.3.3050 192.168.0.2.1316 0 0
0 0 65700 99116 1 2048 0 0 525600 792928 0.00
0.00 849.44 0.00 0.00 50.55
~ 20 minutes ~
tcp4 0 0 192.168.0.3.3050 192.168.0.2.1316 0 0
0 0 65700 99116 1 2048 0 0 525600 792928 0.00
0.00 19.77 0.00 0.00 880.22
! timer set to keepintvl
tcp4 0 0 192.168.0.3.3050 192.168.0.2.1316 0 0
0 0 65700 99116 1 2048 0 0 525600 792928 0.00
0.00 49.64 0.00 0.00 0.35
! timer set to keepidle
tcp4 0 0 192.168.0.3.3050 192.168.0.2.1316 0 0
0 0 65700 99116 1 2048 0 0 525600 792928 0.00
0.00 849.59 0.00 0.00 50.40
end of file dumping
net.inet.tcp.keepidle: 900000
net.inet.tcp.keepintvl: 50000
net.inet.tcp.keepcnt: 3
I'll make pcap from both sides soon.
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