Add manpages from Jonathan McDowell

Remove reference to old -a command line argument

l2tpns.8

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+.\"                                      Hey, EMACS: -*- nroff -*-
+.\" First parameter, NAME, should be all caps
+.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
+.\" other parameters are allowed: see man(7), man(1)
+.TH L2TPNS 8 "November 16, 2004"
+.\" Please adjust this date whenever revising the manpage.
+.\"
+.\" Some roff macros, for reference:
+.\" .nh        disable hyphenation
+.\" .hy        enable hyphenation
+.\" .ad l      left justify
+.\" .ad b      justify to both left and right margins
+.\" .nf        disable filling
+.\" .fi        enable filling
+.\" .br        insert line break
+.\" .sp <n>    insert n+1 empty lines
+.\" for manpage-specific macros, see man(7)
+.SH NAME
+l2tpns \- L2TP LNS daemon
+.SH SYNOPSIS
+.B l2tpns
+[ \fB-d\fR ] [ \fB-c\fR \fI<file>\fR ] [ \fB-h\fR \fI<hostname>\fR ] [ \fB-a\fR \fI<address>\fR ] [ \fB-v\fR ]
+.br
+.SH DESCRIPTION
+This manual page documents briefly the
+.B l2tpns
+command.
+.PP
+.\" TeX users may be more comfortable with the \fB<whatever>\fP and
+.\" \fI<whatever>\fP escape sequences to invode bold face and italics, 
+.\" respectively.
+\fBl2tpns\fP is an L2TP LNS daemon that doesn't require kernel support
+for PPP or L2TP, nor any kernel patches. For more information on L2TP see
+RFC 2661.
+.PP
+Once running l2tpns can be controlled by telnetting to port 23 on the
+machine running the daemon.
+.SH OPTIONS
+.TP
+.B \-d
+Detach from terminal and fork into the background. By default l2tpns
+will stay in the foreground.
+.TP
+.B \-c <file>
+Specify config file.
+.TP
+.B \-h <hostname>
+Force hostname to <hostname>.
+.TP
+.B \-v
+Increase verbosity for debugging. Can be used multiple times.
+.br
+.SH FILES
+.TP
+\fB\fI/etc/l2tpns/startup-config\fR
+The default configuration file.
+.TP
+\fB\fI/etc/l2tpns/ip_pool\fR
+IP address pool configuration.
+.TP
+\fB\fI/etc/l2tpns/users\fR
+Username/password configuration for access to admin interface.
+.SH SEE ALSO
+\fInsctl\fR(8)
+.SH AUTHOR
+This manual page was written by Jonathan McDowell <noodles@earth.li>,
+for the Debian GNU/Linux system (but may be used by others).
+