diff options
| -rw-r--r-- | share/man/man4/options.4 | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/share/man/man4/options.4 b/share/man/man4/options.4 index 7410089fc11..16ec761ce01 100644 --- a/share/man/man4/options.4 +++ b/share/man/man4/options.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: options.4,v 1.40 1999/10/05 19:41:27 aaron Exp $ +.\" $OpenBSD: options.4,v 1.41 1999/12/21 17:57:09 provos Exp $ .\" $NetBSD: options.4,v 1.21 1997/06/25 03:13:00 thorpej Exp $ .\" .\" Copyright (c) 1998 Theo de Raadt @@ -610,27 +610,21 @@ the range 2^31 rather than the full unsigned range of 2^32. Also, under .Bx 4.2 , keepalive packets must contain at least one byte or else the remote end will not respond. -.It Cd option TCP_NEWRENO -Turns on NewReno fast recovery phase, which allows one lost segment -to be recovered per round trip time. When more than -one segment has been dropped per window, the transmission can continue -without waiting for a retranmission timeout. This option cannot be used -together with -.Em TCP_SACK . .It Cd option TCP_SACK Turns on selective acknowledgements. Additional information about segments already received can be transmitted back to the sender, thus indicating segments that have been lost and allowing for a swifter recovery. Both communication endpoints need to support .Em SACK . -The fallback behaviour is NewReno. This option cannot be used -together with -.Em TCP_NEWRENO . +The fallback behaviour is NewReno fast recovery phase, which allows +one lost segment to be recovered per round trip time. When more than +one segment has been dropped per window, the transmission can continue +without waiting for a retranmission timeout. .It Cd option TCP_FACK Turns on forward acknowledgements allowing a more precise estimate of outstanding data during the fast recovery phase by using .Em SACK -information. This option can be used together with +information. This option can only be used together with .Em TCP_SACK . .It Cd option TCP_SIGNATURE Turns on support for the TCP MD5 Signature option (RFC 2385). This is used by |