1.\" $NetBSD: ldpd.8,v 1.4 2010/12/31 06:15:08 wiz Exp $ 2.\" 3.\" Copyright (c) 2010 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd December 7, 2010 28.Dt LDPD 8 29.Os 30.Sh NAME 31.Nm ldpd 32.Nd Label Distribution Protocol Daemon 33.Sh SYNOPSIS 34.Nm 35.Op Fl DdfhW 36.Op Fl c Ar config_file 37.Op Fl p Ar port 38.Sh DESCRIPTION 39.Nm 40is a utility used to automatically distribute labels between two MPLS LSRs 41almost conforming to RFC3036. 42Right now it is in BETA stage and many features 43are not implemented or may not work. 44As a security measure you SHOULD filter the LDP well-known (646) 45TCP and UDP ports using your favourite packet filter before starting 46.Nm . 47Also this is the current measure used to filter neighbours. 48You should see some logs reported via 49.Xr syslog 3 50interface. 51.Pp 52You can increase the log verbosity using the 53.Fl W 54and 55.Fl D 56flags. 57Also you can telnet to the control port (default: 2626) and use 58this interface in order to get informations about protocol, neighbours 59etc. but also to set runtime parameters. 60The required password is the same as the root password. 61.Pp 62.Nm 63computes existing routes and tries to match them on MPLS labels 64announced by other LDP peers. 65This means that 66.Dq normal 67routes will be changed into tagged routes, and MPLS routing table 68will be populated. 69It will also announce its mappings to its peers. 70.Nm 71will listen on a route socket and compute the necessary changes in 72order to change untagged routes into tagged routes. 73This means that one may use one's favourite dynamic routing protocol 74daemon without modifications. 75.Pp 76The options are as follows: 77.Bl -tag -width 15n 78.It Fl c Ar config_file 79Specifies a path to the config file. 80Default: 81.Pa /etc/ldpd.conf 82.It Fl D 83Enable debug mode. 84.It Fl d 85Don't use route interception code. 86.It Fl f 87Run in foreground. 88Use STDOUT for warning and debug messages. 89.It Fl h 90Outputs supported flags. 91.It Fl p Ar port 92Changes the TCP control port (default: 2626). 93.It Fl W 94Enable output of warning messages. 95.El 96.Sh SEE ALSO 97.Rs 98.%R RFC 99.%N 3036 100.%D January 2001 101.%T LDP Specification 102.Re 103.Sh HISTORY 104The 105.Nm 106command appeared in 107.Nx 6.0 . 108.Sh BUGS 109.Nm 110supports only IPv4. 111