diff options
| author | Stefan Sperling <stsp@cvs.openbsd.org> | 2023-09-03 20:19:14 +0000 |
|---|---|---|
| committer | Stefan Sperling <stsp@cvs.openbsd.org> | 2023-09-03 20:19:14 +0000 |
| commit | 0a0948818e203c30254c5a150593e7100cf4c43a (patch) | |
| tree | 3be215c701fddc011a507f64e3875105cbf9ed40 /usr.sbin/dhcpd | |
| parent | 3f47a5df09f3d3c042508e7d52709f5d7232e2e7 (diff) | |
Document rdomain-related behaviour of dhcpd(8).
ok jmc
Diffstat (limited to 'usr.sbin/dhcpd')
| -rw-r--r-- | usr.sbin/dhcpd/dhcpd.8 | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/usr.sbin/dhcpd/dhcpd.8 b/usr.sbin/dhcpd/dhcpd.8 index 3725399e603..85853504310 100644 --- a/usr.sbin/dhcpd/dhcpd.8 +++ b/usr.sbin/dhcpd/dhcpd.8 @@ -1,4 +1,4 @@ -.\" $OpenBSD: dhcpd.8,v 1.31 2023/03/02 17:09:54 jmc Exp $ +.\" $OpenBSD: dhcpd.8,v 1.32 2023/09/03 20:19:13 stsp Exp $ .\" .\" Copyright (c) 1995, 1996 The Internet Software Consortium. .\" All rights reserved. @@ -36,7 +36,7 @@ .\" see ``http://www.isc.org/''. To learn more about Vixie .\" Enterprises, see ``http://www.vix.com''. .\" -.Dd $Mdocdate: March 2 2023 $ +.Dd $Mdocdate: September 3 2023 $ .Dt DHCPD 8 .Os .Sh NAME @@ -145,17 +145,27 @@ which a newly booted client would not be able to grasp. The names of the network interfaces on which .Nm should listen for broadcasts may be specified on the command line. -This should be done on systems where +Listing interfaces on the command line is usually optional but is required +for running .Nm -is unable to identify non-broadcast interfaces, -but should not be required on other systems. +in an +.Xr rdomain 4 +other than 0, or on systems where +.Nm +is unable to identify non-broadcast interfaces. +All specified interfaces must share the same routing domain and +.Nm +will set its own routing domain accordingly. +.Pp If no interface names are specified on the command line, -and the +.Nm +will run in routing domain 0, and if the .Fl u -option is not given, +option is not given .Nm -will identify all network interfaces which are up, eliminating non-broadcast -interfaces if possible, and listen for DHCP broadcasts on each interface. +will identify all network interfaces in all routing domains, +eliminating non-broadcast interfaces if possible, +and listen for DHCP broadcasts on each interface. .Pp The options are as follows: .Bl -tag -width Ds @@ -464,6 +474,7 @@ DHCPD lease file. .El .Sh SEE ALSO .Xr pf 4 , +.Xr rdomain 4 , .Xr dhcpd.conf 5 , .Xr dhcpd.leases 5 , .Xr dhclient 8 , |