1 files changed, 10 insertions, 4 deletions
diff --git a/client/dhclient-script.8 b/client/dhclient-script.8
index 3553afdc..5e5bd3d0 100644
--- a/client/dhclient-script.8
+++ b/client/dhclient-script.8
@@ -1,6 +1,6 @@
 .\"	dhclient-script.8
 .\"
-.\" Copyright (c) 2004-2017 by Internet Systems Consortium, Inc. ("ISC")
+.\" Copyright (C) 2004-2022 Internet Systems Consortium, Inc. ("ISC")
 .\" Copyright (c) 1996-2003 by Internet Software Consortium
 .\"
 .\" This Source Code Form is subject to the terms of the Mozilla Public
@@ -16,8 +16,8 @@
 .\" OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
 .\"   Internet Systems Consortium, Inc.
-.\"   950 Charter Street
-.\"   Redwood City, CA 94063
+.\"   PO Box 360
+.\"   Newmarket, NH 03857 USA
 .\"   <info@isc.org>
 .\"   https://www.isc.org/
 .\"
@@ -129,7 +129,7 @@ option name as above but prepended with requested_ and with a value of 1,
 for example requested_subnet_mask=1.  No such variable is defined for
 options not requested by the client or options that don't require a
 request option, such as the ip address (*_ip_address) or expiration
-time (*_expiry). 
+time (*_expiry).
 .PP
 Before actually configuring the address, dhclient-script should
 somehow ARP for it and exit with a nonzero status if it receives a
@@ -199,6 +199,12 @@ been passed in as with BOUND.   The client configuration script should
 test these parameters and, if it has reason to believe they are valid,
 should exit with a value of zero.   If not, it should exit with a
 nonzero value.
+.SH V6ONLY
+The DHCPv4 client has received a requested valid v6-only-preferred
+option. The system should disable IPv4 on the interface. On its side
+the dhclient waits for V6ONLY_WAIT seconds (the timer is carried by
+the option with a minimum of MIN_V6ONLY_WAIT) before returning in
+the INIT state.
 .PP
 The usual way to test a lease is to set up the network as with REBIND
 (since this may be called to test more than one lease) and then ping