diff options
Diffstat (limited to 'share/man')
| -rw-r--r-- | share/man/man4/options.4 | 48 |
1 files changed, 9 insertions, 39 deletions
diff --git a/share/man/man4/options.4 b/share/man/man4/options.4 index 0a093a03fea..fea8c2a2cfb 100644 --- a/share/man/man4/options.4 +++ b/share/man/man4/options.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: options.4,v 1.114 2003/01/04 22:11:47 miod Exp $ +.\" $OpenBSD: options.4,v 1.115 2003/02/17 10:10:36 henning Exp $ .\" $NetBSD: options.4,v 1.21 1997/06/25 03:13:00 thorpej Exp $ .\" .\" Copyright (c) 1998 Theo de Raadt @@ -859,40 +859,23 @@ While not IP specific, this option is usually used in conjunction with option .Em IPSEC . .It Cd option ALTQ Enables ALTQ (Alternate Queuing). -For simple rate-limiting, use +See .Xr pfctl 8 -to set up the interface transmission rate. -To use queuing disciplines, their options should also be defined. -.Em ALTQ_CBQ and -.Em ALTQ_RED +.Xr pf.conf 5 +to set up the interface transmission rate and queueing disciplines. +.Em ALTQ_CBQ , +.Em ALTQ_RED , +.Em ALTQ_PRIO +and +.Em ALTQ_HFSC are enabled by default with option .Em ALTQ in .Ox . -Queuing disciplines are also managed by -.Xr pfctl 8 . See .Xr altq 9 for details on ALTQ. -.It Cd option ALTQ_HFSC -Enables ALTQ's HFSC (Hierarchical Fair Service Curve) module. -HFSC supports both link-sharing and guaranteed real-time services. -H-FSC employs a service curve based QoS model, and its unique feature -is an ability to decouple delay and bandwidth allocation. -.It Cd option ALTQ_PRIQ -Enables ALTQ's PRIQ (Priority Queuing) module. -PRIQ implements a simple priority-based queuing. -A higher priority class is always served first. -.It Cd option ALTQ_WFQ -Enables ALTQ's WFQ (Weighted Fair Queuing) module. -WFQ implements a weighted-round robin scheduler for a set of queues. -A weight can be assigned to each queue to give a different proportion -of the link capacity. -A hash function is used to map a flow to one of a set of queues. -.It Cd option ALTQ_FIFOQ -Enables ALTQ's FIFO queue module. -FIFOQ is a simple drop-tail FIFO queue. .It Cd option ALTQ_RIO Enables ALTQ's RIO (RED with In/Oout) module. The original RIO has 2 sets of RED parameters; one for in-profile @@ -903,19 +886,6 @@ Inside the network, IN packets receive preferential treatment by the RIO dropper. ALTQ/RIO has 3 drop precedence levels defined for the Assured Forwarding PHB of DiffServ (RFC2597). -.It Cd option ALTQ_BLUE -Enables ALTQ's Blue module. -Blue is another active buffer management mechanism. -.It Cd option ALTQ_FLOWVALVE -Enables ALTQ's Flowvalve module. -Flowvalve is a simple implementation of a RED penalty box that identifies -and punishes misbehaving flows. -.It Cd option ALTQ_CDNR -Enables ALTQ's CDNR (diffserfv traffic conditioner) module. -Traffic conditioners are components to meter, mark, or drop incoming -packets according to some rules. -As opposed to queuing disciplines, traffic conditioners handle incoming -packets at an input interface. .It Cd option ALTQ_NOPCC Disables use of processor cycle counter (e.g., Pentium TSC on i386 and PCC on alpha) to measure time in ALTQ. |