ETHERMON is a software implementation of an Ethernet line activity monitor. It uses any VAX/VMS DEC-compatible Ethernet interface to collect the data, and reports statistics in a form similar to the VMS MONITOR utility. It also can collect Ethernet data for post-processing by a user-supplied offline program. ETHERMON can determine symbolic identifications of remote nodes automatically, or have them defined manually; these symbolic identifications are used in ETHERMON's displays and reports. ETHERMON can also recognize equipment other than DEC's on the Ethernet.