-. "$CONFIG_FILE"
-
-if [ -z "$BRIDGE_DEVICES" ] ; then
- eerror "Bridge devices (\$BRIDGE_DEVICES) not set in $CONFIG_FILE"
- exit 1
-fi
-
-[ -n "$BRCTL" ] || BRCTL=brctl
-[ -n "$STP" ] || STP=on
-[ -n "$BRIDGE_NAME" ] || BRIDGE_NAME=br0
+# defaults if unconfigured
+[ -n "$BRCTL" ] || BRCTL=brctl
+[ -n "$BRIDGE_STP" ] || BRIDGE_STP=on
+[ -n "$BRIDGE_NAME" ] || BRIDGE_NAME=br0
+[ -n "$BRIDGE_DEVICES" ] || BRIDGE_DEVICES='eth0 eth1'