From afa0d7c4b5e3aee1cc2ba27cb8f7cc1ad28c605f Mon Sep 17 00:00:00 2001 From: Niels Provos Date: Mon, 25 Sep 2000 10:01:34 +0000 Subject: document pmtu discovery, from NetBSD --- lib/libc/gen/sysctl.3 | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/lib/libc/gen/sysctl.3 b/lib/libc/gen/sysctl.3 index 804d5bf83fc..23455faaac6 100644 --- a/lib/libc/gen/sysctl.3 +++ b/lib/libc/gen/sysctl.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: sysctl.3,v 1.51 2000/09/19 03:17:10 angelos Exp $ +.\" $OpenBSD: sysctl.3,v 1.52 2000/09/25 10:01:33 provos Exp $ .\" .\" Copyright (c) 1993 .\" The Regents of the University of California. All rights reserved. @@ -524,7 +524,7 @@ Get or set various global information about IPv4 The third level name is the protocol. The fourth level name is the variable name. The currently defined protocols and names are: -.Bl -column "Protocol name" "ipsec-soft-firstuse" "integer" -offset indent +.Bl -column "Protocol name" "ipsec-soft-bytes" "integer" -offset indent .It Sy Protocol name Variable name Type Changeable .It ip forwarding integer yes .It ip redirect integer yes @@ -550,6 +550,8 @@ The currently defined protocols and names are: .It ip ipsec-enc-alg string yes .It ip ipsec-auth-alg string yes .It ip ipsec-expire-acquire integer yes +.It ip mtudisc integer yes +.It ip mtudisctimeout integer yes .It icmp maskrepl integer yes .It icmp bmcastecho integer yes .It ipip allow integer yes @@ -731,6 +733,12 @@ The default value is 30 seconds. How long half-created security associations should be kept by the kernel (these are created by key management daemons while negotiating). The default value is 60 seconds. +.It Li ip.mtudisc +Returns 1 if Path MTU Discovery is enabled. +.It Li ip.mtudisctimeout +Returns the number of seconds in which a route added by the Path MTU +Discovery engine will time out. When the route times out, the Path +MTU Discovery engine will attempt to probe a larger path MTU. .It Li ipip.allow If set to 0, incoming IP-in-IP packets will not be processed. If set to any other value, processing will occur. -- cgit v1.2.3