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grammar fix. sync with latest KAME.

This commit is contained in:
itojun 2000-01-06 07:58:04 +00:00
parent ec63b40402
commit 293291b23d
1 changed files with 26 additions and 26 deletions
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52
usr.sbin/rtadvd/rtadvd.8
View File

@ -1,3 +1,5 @@
.\" $NetBSD: rtadvd.8,v 1.4 2000/01/06 07:58:04 itojun Exp $
.\"
.\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
.\" All rights reserved.
.\"
@ -25,7 +27,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $Id: rtadvd.8,v 1.3 1999/12/08 02:31:26 itojun Exp $
.\" KAME Id: rtadvd.8,v 1.2 2000/01/06 07:54:28 itojun Exp
.\"
.Dd May 17, 1998
.Dt RTADVD 8
@ -44,33 +46,34 @@ advertises router advertisement packet to the specified
.Ar interfaces .
.Pp
The program will daemonize itself on invocation.
Then, it will voluntarily send router advertisement packet periodically.
If a router solicitation packet from host has reached the program,
the program will respond by router advertisement packet.
It will then periodically send router advertisement packets, as well
as in response to router solicitation messages sent by end hosts.
.Pp
For each interface, which is called advertising interface,
content of router advertisement can be described in
Router advertisements can be configured on a per-interface basis, as
described in
.Xr rtadvd.conf 5 .
.Pp
If there is no description for the interface in the configuration file
or if the configuration file does not exist,
In the event of no configuration file entry for an interface,
or if the configuration file does not exist altogether,
.Nm
sets all the parameters to their default values.
In particular,
.Nm
gets all the interface routes from the routing table and advertises
reads all the interface routes from the routing table and advertises
them as on-link prefixes.
.Pp
.Nm Rtadvd
watches the routing table.
also watches the routing table.
By default, if an interface direct route is
added/deleted on an advertising interface,
.Nm
adds/deletes the corresponding prefix to/from its advertising list,
respectively.
If you do not want to enable this feature, you should specify the
The
.Ic Fl s
command line option when advocation.
command line option may be used to disable this behavior.
.Pp
The command line options are:
.Bl -tag -width indent
.\"
.It Fl c
@ -78,18 +81,16 @@ Specify an alternate location,
.Ar configfile ,
for the configuration file.
By default,
.Pa /etc/rtadvd.conf
.Pa /usr/local/v6/etc/rtadvd.conf
is used.
.It Fl d
Debug.
Print debugging information.
.It Fl D
More debug.
Even more debugging information is printed.
.It Fl f
Foreground mode.
Do not become daemon.
Foreground mode (useful when debugging).
.It Fl s
Static prefix.
Do not watch the routing table.
Do not monitor routing table changes (static prefix).
.El
.Sh RETURN VALUES
The program exits with 0 on success, and non-zero on failures.
@ -107,10 +108,9 @@ The
.Nm
command first appeared in WIDE Hydrangea IPv6 protocol stack kit.
.Sh CAVEAT
Do not perform router advertisement toward upstream direction,
you should only advertise to downstream direction.
If you advertise toward upstream by mistake,
you will see icmp6 redirect storm on that subnet.
This is because of the specification,
which says that advertising router is assumed to become
the default outgoing router for end hosts in the subnet.
Router advertisements should only be performed downstream.
Erroneous upstream advertisements will cause
.Xr icmp6 4
redirect packet storms in the subnet, as (per the specification) the
advertising router is assumed to become the default router for
end hosts in the subnet.