diff options
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man4/options.4 | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/share/man/man4/options.4 b/share/man/man4/options.4 index 193da8d8533..bbac26860ee 100644 --- a/share/man/man4/options.4 +++ b/share/man/man4/options.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: options.4,v 1.99 2002/05/07 08:15:53 miod Exp $ +.\" $OpenBSD: options.4,v 1.100 2002/05/16 14:13:44 kjc Exp $ .\" $NetBSD: options.4,v 1.21 1997/06/25 03:13:00 thorpej Exp $ .\" .\" Copyright (c) 1998 Theo de Raadt @@ -790,6 +790,15 @@ outstanding data during the fast recovery phase by using information. This option can only be used together with .Em TCP_SACK . +.It Cd option TCP_ECN +Turns on Explicit Congestion Notification (RFC3168). +.Em ECN +allows intermediate routers to use the Congestion Experienced +codepoint in the IP header as an indication of congestion, and allows +TCP to adjust the trasmission rate using this signal. +Both communication endpoints negotiate enabling +.Em ECN +functionality at the TCP connection establishment. .It Cd option TCP_SIGNATURE Turns on support for the TCP MD5 Signature option (RFC 2385). This is used by |