diff options
Diffstat (limited to 'usr.sbin/dhcrelay/dhcrelay.8')
| -rw-r--r-- | usr.sbin/dhcrelay/dhcrelay.8 | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/usr.sbin/dhcrelay/dhcrelay.8 b/usr.sbin/dhcrelay/dhcrelay.8 index ab5794391b1..07893c00432 100644 --- a/usr.sbin/dhcrelay/dhcrelay.8 +++ b/usr.sbin/dhcrelay/dhcrelay.8 @@ -1,4 +1,4 @@ -.\" $OpenBSD: dhcrelay.8,v 1.8 2007/05/31 19:20:23 jmc Exp $ +.\" $OpenBSD: dhcrelay.8,v 1.9 2009/09/03 11:56:49 reyk Exp $ .\" .\" Copyright (c) 1997 The Internet Software Consortium. .\" All rights reserved. @@ -36,7 +36,7 @@ .\" see ``http://www.isc.org/isc''. To learn more about Vixie .\" Enterprises, see ``http://www.vix.com''. .\" -.Dd $Mdocdate: May 31 2007 $ +.Dd $Mdocdate: September 3 2009 $ .Dt DHCRELAY 8 .Os .Sh NAME @@ -44,7 +44,7 @@ .Nd Dynamic Host Configuration Protocol Relay Agent .Sh SYNOPSIS .Nm -.Op Fl d +.Op Fl do .Fl i Ar interface .Ar server1 Op Ar ... serverN .Sh DESCRIPTION @@ -69,6 +69,14 @@ as well as the name of the network interface that should attempt to configure, must be specified on the command line. .Pp +.Nm +supports relaying of DHCP traffic to configure IPsec tunnel mode +clients when listening on the +.Xr enc 4 +interface. +The DHCP server has to support RFC 3046 to echo back the relay agent +information to allow stateless DHCP reply to IPsec tunnel mapping. +.Pp The options are as follows: .Bl -tag -width Ds .It Fl d @@ -82,12 +90,18 @@ to always run as a foreground process. The name of the network interface that .Nm should attempt to configure. +At least one IPv4 address has to be configured on this interface. +.It Fl o +Add the relay agent information option. +By default, this is only enabled for the +.Xr enc 4 +interface. .El .Sh SEE ALSO .Xr dhclient 8 , .Xr dhcpd 8 .Pp -RFC 2132, RFC 2131. +RFC 2132, RFC 2131, RFC 3046, RFC 3456 .Sh AUTHORS .An -nosplit .Nm |