Ethernet Addresses and Type Field


URBANIAK@G.BBN.COM
18 Jun 1988 17:54-EDT


BAD MSG:
                                1 packet per second, sent by the
                        designated LanBridge
AB-00-00-01-00-00 6001 DEC Maintenance Operation Protocol (MOP)
                                Dump/Load Assistance
AB-00-00-02-00-00 6002 DEC Maintenance Operation Protocol (MOP)
                                Remote Console
                                1 System ID packet every 8-10 minutes, by every:
                                DEC LanBridge
                                DEC DEUNA interface
                                DEC DELUA interface
                                DEC DEQNA interface (in a certain mode)
AB-00-00-03-00-00 6003 DECNET Phase IV end node Hello packets
                                1 packet every 15 seconds, sent by each DECNET host
AB-00-00-04-00-00 6003 DECNET Phase IV Router Hello packets
                                1 packet every 15 seconds, sent by the DECNET router
AB-00-00-05-00-00 ???? Reserved DEC
through
AB-00-03-FF-FF-FF
AB-00-04-00-00-00 ???? Reserved DEC customer private use
through
AB-00-04-00-FF-FF
AB-00-04-01-xx-yy 6007 DEC Local Area VAX Cluster groups
CF-00-00-00-00-00 9000 Ethernet Configuration Test protocol (Loopback)

Broadcast Address:

FF-FF-FF-FF-FF-FF 0600 XNS packets, Hello or gateway search?
                                6 packets every 15 seconds, per XNS station
FF-FF-FF-FF-FF-FF 0800 IP (e.g. RWHOD via UDP) as needed
FF-FF-FF-FF-FF-FF 0806 ARP (for IP and CHAOS) as needed
FF-FF-FF-FF-FF-FF 1600 VALID packets, Hello or gateway search?
                                1 packets every 30 seconds, per VALID station



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