+## INTERFACES(5)
+# IFACE physical name of the interface being processed
+# METHOD method of the interface (e.g., static)
+# MODE start if run from ifup, stop if run from ifdown
+# PHASE as per MODE, but with finer granularity, distinguishing the pre-
+# up, post-up, pre-down and post-down phases.
+
+# optional arugument to set default gateway manually
+GATEWAY=$1