Clarify when we switch from keepidle to keepinvtl intervals if sending
TCP keepalive probes is enabled. Reviewed by: gnn MFC After: 3 days
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2020-12-20 02:59:44 +00:00
svn path=/head/; revision=217135
@ -32,7 +32,7 @@
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.\" From: @(#)tcp.4 8.1 (Berkeley) 6/5/93
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.\" $FreeBSD$
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.\"
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.Dd September 16, 2010
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.Dd January 8, 2011
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.Dt TCP 4
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.Os
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.Sh NAME
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@ -289,7 +289,9 @@ Amount of time, in milliseconds, that the connection must be idle
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before keepalive probes (if enabled) are sent.
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.It Va keepintvl
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The interval, in milliseconds, between keepalive probes sent to remote
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machines.
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machines, when no response is received on a
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.Va keepidle
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probe.
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After
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.Dv TCPTV_KEEPCNT
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(default 8) probes are sent, with no response, the connection is dropped.
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