--- net.eth0.orig	2004-06-07 14:08:41.737007048 +0200
+++ net.eth0	2004-06-07 14:10:32.573157392 +0200
@@ -45,6 +45,7 @@
 #	vlans_IFACE				(space-separated list)
 #	ifconfig_IFACE			(array of ifconfig lines, replaces iface_IFACE)
 #	dhcpcd_IFACE			(command-line args for dhcpcd)
+#	clearip_IFACE			(if set, clear dhcpcd cache)
 #	routes_IFACE			(array of route lines)
 #	inet6_IFACE				(array of inet6 lines)
 #	ifconfig_fallback_IFACE	(fallback ifconfig if dhcp fails)
@@ -55,6 +56,7 @@
 	eval vlans_IFACE=\"\$\{iface_${iface}_vlans\}\"
 	eval ifconfig_IFACE=( \"\$\{ifconfig_$iface\[@\]\}\" )
 	eval dhcpcd_IFACE=\"\$\{dhcpcd_$iface\}\"
+	eval clearip_IFACE=\"\$\{clearip_$iface\}\"
 	eval routes_IFACE=( \"\$\{routes_$iface\[@\]\}\" )
 	eval inet6_IFACE=( \"\$\{inet6_$iface\[@\]\}\" )
 	eval ifconfig_fallback_IFACE=( \"\$\{ifconfig_fallback_$iface\[@\]\}\" )
@@ -88,6 +90,14 @@
 	local IFACE=${1} i x retval
 	checkconfig || return 1
 
+	# Check if we should clear the IP address of that interface before DHCPing
+	if [[ ! -z ${clearip_IFACE} ]]; then
+		einfo "Clearing cached IP for ${IFACE}"
+		if [[ -f "/var/cache/dhcpcd-${IFACE}.cache" ]]; then
+			rm "/var/cache/dhcpcd-${IFACE}.cache"
+		fi
+	fi
+
 	if [[ ${ifconfig_IFACE} != dhcp ]]; then
 		# Show the address, but catch if this interface will be inet6 only
 		i=${ifconfig_IFACE%% *}