Motorola BSR 2000 manual Is 0. Y is the Ethernet interface port number

Release 1.0	RIP Commands
ethernet X/Y	X is 0. Y is the Ethernet interface port number
	to which the offset-list is applied.
gigaether X/Y	X is 0. Y is the Gigabit Ethernet interface port
	number to which the offset-list is applied.
Command Default
Disabled

526363-001-00 Rev. B MGBI 7-19