From: Renaud Métrich <renaud.metrich@mancalanetworks.com>
Date: Thu, 24 Nov 2011 09:42:57 +0000 (+0100)
Subject: Updated DHCP configuration template to be able to act as a DHCP server when on a... 
X-Git-Tag: release_2_2_0~252
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c22621506df10ebc1e4ee4e98e0d2033d05a29c7;p=thirdparty%2Ffreeradius-server.git

Updated DHCP configuration template to be able to act as a DHCP server when on a gateway on Linux
---

diff --git a/raddb/sites-available/dhcp b/raddb/sites-available/dhcp
index 2639900c58b..d1257d0a504 100644
--- a/raddb/sites-available/dhcp
+++ b/raddb/sites-available/dhcp
@@ -93,19 +93,41 @@ server dhcp {
 #
 # The other only solution is to update FreeRADIUS to use BPF sockets.
 #
-listen {
-	ipaddr = 127.0.0.1
-	port = 6700
-	type = dhcp
-#	interface = lo0
-
-	# The DHCP server defaults to allowing broadcast packets.
-	# Set this to "no" only when the server receives *all* packets
-	# from a relay agent.  i.e. when *no* clients are on the same
-	# LAN as the DHCP server.
-	#
-	# It's set to "no" here for testing.
-	broadcast = no
+
+	# When the machine is not Linux, or has only one network interface, use
+	# the following listener:
+	listen {
+		# Listen for broadcasts + unicast on lo0
+		ipaddr = *
+		port = 6700
+		type = dhcp
+		interface = lo0
+		# The DHCP server defaults to allowing broadcast packets.
+		# Set this to "no" only when the server receives *all* packets
+		# from a relay agent.  i.e. when *no* clients are on the same
+		# LAN as the DHCP server.
+		#
+		# It's set to "no" here for testing.
+		broadcast = no
+	}
+	# When the machine is Linux and has multiple network interfaces, use
+	# the following listeners instead:
+	listen {
+		# Listen for broadcasts on lo0
+		ipaddr = 255.255.255.255
+		port = 6700
+		type = dhcp
+		interface = lo0
+	}
+	listen {
+		# Listen for unicast on our IP address, not bound to any
+		# interface but telling on which interface to forward the
+		# packets to.
+		ipaddr = 127.0.0.1
+		port = 6700
+		type = dhcp
+		arp_interface = lo0
+	}
 
 	# On Linux if you're running the server as non-root, you
 	# will need to do:
@@ -113,8 +135,7 @@ listen {
 	#	sudo setcap cap_net_admin=ei /path/to/radiusd
 	#
 	# This will allow the server to set ARP table entries
-	# for newly allocated IPs
-}
+	# for newly allocated IPs, but this has not been tested.
 
 #  Packets received on the socket will be processed through one
 #  of the following sections, named after the DHCP packet type.