diff options
Diffstat (limited to 'usr.sbin/ppp/ppp.8.m4')
| -rw-r--r-- | usr.sbin/ppp/ppp.8.m4 | 60 |
1 files changed, 36 insertions, 24 deletions
diff --git a/usr.sbin/ppp/ppp.8.m4 b/usr.sbin/ppp/ppp.8.m4 index fe5ff48..e95c147 100644 --- a/usr.sbin/ppp/ppp.8.m4 +++ b/usr.sbin/ppp/ppp.8.m4 @@ -1,4 +1,4 @@ -.\" $Id: ppp.8,v 1.185 1999/08/02 21:45:36 brian Exp $ +.\" $Id: ppp.8,v 1.186 1999/08/03 16:14:38 brian Exp $ .Dd 20 September 1995 .nr XX \w'\fC00' .Os FreeBSD @@ -3192,10 +3192,12 @@ will not attempt to make an immediate connection. .It open Op lcp|ccp|ipcp This is the opposite of the .Dq close -command. All closed links are immediately brought up (although some auto -links may not come up depending on what +command. All closed links are immediately brought up apart from second +and subsequent +.Ar demand-dial +links - these will come up based on the .Dq set autoload -command has been used). +command that has been used. .Pp If the .Dq lcp @@ -3364,9 +3366,10 @@ mode with CHAP enabled, is used in the initial authentication challenge and should normally be set to the local machine name. .It set autoload Xo -.Ar max-duration max-load Op Ar min-duration min-load +.Ar min-percent max-percent period .Xc -These settings apply only in multi-link mode and all default to zero. +These settings apply only in multi-link mode and default to zero, zero and +five respectively. When more than one .Ar demand-dial .Pq also known as Fl auto @@ -3374,27 +3377,36 @@ mode link is available, only the first link is made active when .Nm first reads data from the tun device. The next .Ar demand-dial -link will be opened only when at least -.Ar max-load -packets have been in the send queue for -.Ar max-duration -seconds. Because both values default to zero, -.Ar demand-dial -links will simply come up one at a time by default. -.Pp -If two or more links are open, at least one of which is a +link will be opened only when the current bundle throughput is at least +.Ar max-percent +percent of the total bundle bandwidth for +.Ar period +seconds. When the current bundle throughput decreases to +.Ar min-percent +percent or less of the total bundle bandwidth for +.Ar period +seconds, a .Ar demand-dial -link, a +link will be brought down as long as it's not the last active .Ar demand-dial -link will be closed when there is less than -.Ar min-packets -in the queue for more than -.Ar min-duration . -If -.Ar min-duration -is zero, this timer is disabled. Because both values default to zero, +link. +.Pp +The default values cause .Ar demand-dial -links will stay active until the bundle idle timer expires. +links to simply come up one at a time. +.Pp +Certain devices cannot determine their physical bandwidth, so it +is sometimes necessary to use the +.Dq set bandwidth +command (described below) to make +.Dq set autoload +work correctly. +.It set bandwidth Ar value +This command sets the connection bandwidth in bits per second. +.Ar value +must be greater than zero. It is currently only used by the +.Dq set autoload +command above. .It set callback Ar option Ns No ... If no arguments are given, callback is disabled, otherwise, .Nm |
