diff --git a/package/network/services/odhcpd/Makefile b/package/network/services/odhcpd/Makefile
index 4092588353..8aeddbb319 100644
--- a/package/network/services/odhcpd/Makefile
+++ b/package/network/services/odhcpd/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=odhcpd
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/odhcpd.git
diff --git a/package/network/services/odhcpd/files/odhcpd.defaults b/package/network/services/odhcpd/files/odhcpd.defaults
index 1350636ba4..08b1ca0921 100644
--- a/package/network/services/odhcpd/files/odhcpd.defaults
+++ b/package/network/services/odhcpd/files/odhcpd.defaults
@@ -21,7 +21,6 @@ case "$protocol" in
 # only enable server mode on statically addressed lan ports
 "static")
 	V4MODE=server
-	[ -e /proc/sys/net/ipv6 ] && V6MODE=server
 	;;
 esac
 
@@ -46,7 +45,8 @@ set dhcp.lan.dhcpv4=$V4MODE
 set dhcp.lan.dhcpv6=$V6MODE
 set dhcp.lan.ra=$V6MODE
 set dhcp.lan.ra_slaac=1
-add_list dhcp.lan.ra_flags=managed-config
 add_list dhcp.lan.ra_flags=other-config
+set dhcp.lan.max_preferred_lifetime=2700
+set dhcp.lan.max_valid_lifetime=5400
 commit dhcp
 EOF