--- a/feeds/packages/net/strongswan/Makefile
+++ b/feeds/packages/net/strongswan/Makefile
@@ -544,6 +544,8 @@ define Package/strongswan-ipsec/install
 	$(INSTALL_CONF) ./files/ipsec.user $(1)/etc/
 	$(INSTALL_DIR) $(1)/etc/init.d
 	$(INSTALL_BIN) ./files/ipsec.init $(1)/etc/init.d/ipsec
+	$(INSTALL_DIR) $(1)/etc/config
+	$(INSTALL_DATA) ./files/ipsec.conf $(1)/etc/config/ipsec
 	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/ipsec $(1)/usr/sbin/
 endef
 
--- /dev/null
+++ b/feeds/packages/net/strongswan/files/ipsec.conf
@@ -0,0 +1,28 @@
+config 'ipsec'
+
+config 'remote' 'TEST'
+	option 'enabled' '1'
+	option 'gateway' '10.10.20.253'
+	option 'authentication_method' 'psk'
+	option 'pre_shared_key' '123456789'
+	list 'crypto_proposal' 'phase_1_settings'
+	list 'tunnel' 'TUNNEL'
+
+config 'crypto_proposal' 'phase_1_settings'
+	option 'encryption_algorithm' 'aes128'
+	option 'hash_algorithm' 'sha1'
+	option 'dh_group' 'modp768'
+
+config 'tunnel' 'TUNNEL'
+	option 'mode' 'add'
+	option 'local_subnet' '192.168.1.0/24'
+	option 'remote_subnet' '192.168.2.0/24'
+	option 'crypto_proposal' 'phase_2_settings'
+	option 'keyexchange' 'ikev2'
+	option 'ikelifetime' '10800'
+	option 'lifetime' '3600'
+
+config 'crypto_proposal' 'phase_2_settings'
+	option 'encryption_algorithm' 'aes128'
+	option 'hash_algorithm' 'sha1'
+	option 'dh_group' 'modp768'
--- a/feeds/packages/net/strongswan/files/swanctl.init
+++ b/feeds/packages/net/strongswan/files/swanctl.init
@@ -241,6 +241,7 @@ config_child() {
 	local if_id
 	local rekeytime
 	local rekeybytes
+	local replay_window
 	local lifebytes
 	local rekeypackets
 	local lifepackets
@@ -258,6 +259,7 @@ config_child() {
 	config_get interface "$conf" interface ""
 	config_get hw_offload "$conf" hw_offload ""
 	config_get priority "$conf" priority ""
+	config_get replay_window "$conf" replay_window 32
 	config_get rekeybytes "$conf" rekeybytes ""
 	config_get lifebytes "$conf" lifebytes ""
 	config_get rekeypackets "$conf" rekeypackets ""
@@ -323,7 +325,7 @@ config_child() {
 	esac
 
 	case "$hw_offload" in
-	yes|no|auto|"")
+	yes|no|auto|crypto|packet|"")
 		;;
 	*)
 		fatal "hw_offload value $hw_offload invalid"
@@ -339,6 +341,7 @@ config_child() {
 	[ -n "$remote_subnet" ] && swanctl_xappend4 "remote_ts = $remote_subnet"
 
 	[ -n "$hw_offload" ] && swanctl_xappend4 "hw_offload = $hw_offload"
+	[ -n "$replay_window" ] && swanctl_xappend4 "replay_window = $replay_window"
 	[ $ipcomp -eq 1 ] && swanctl_xappend4 "ipcomp = 1"
 	[ -n "$interface" ] && swanctl_xappend4 "interface = $interface"
 	[ -n "$priority" ] && swanctl_xappend4 "priority = $priority"