Frunk is a simple program that detects and reports
interface status changes using SNMP. Basically, it
detects if one or more of a set of pre-configured
interfaces are up or down and reports the fact by
emailing alerts. It is good for monitoring several
interfaces on several devices, normally routers,
and checking for link failures. It also optionally
creates and constantly updates an HTML document
containing information on those interfaces which
are down.
