Olicom 8605, 8600 manual Multiple Bridging Modes

36

Multiple Bridging Modes

Feature	Function	Benefit
Transparent	Switching is based on	Allows easy installation in
and Source Route	MAC addresses only.	environments with no need for
Switching (SRS)	Learns MAC	Source Route Bridging.
	addresses and source
	routing route
	descriptors of Source
	Route Bridges
	attached to local
	switch ports.
Source Route	The switch ports may	Allows easy installation in
Bridging (SRB)	be grouped into logical	existing Token-Ring networks
	rings. The switch acts	where Source Route Bridges are
	as a standard	used. Allows easy replacement
	multiport Source	of bridges with switches.
	Route Bridge between
	logical rings. Non
	Source Route frames
	(NSR) are not
	forwarded outside the
	logical ring.
Source Route	NSR frames are	Allows the mix of source route
Transparent	forwarded between	and non source route protocols
Bridging (SRT)	Logical Rings based	in the network.
	on MAC address.
	Source Route frames
	are forwarded as by
	SRB.
SRT/SRB	Combines the SRT	Allows the use of duplicate
	and SRB modes.	MAC addresses when running in
		SRT. Ports with duplicate MAC
		addresses are reachable only via
		source routing. Duplicate MAC
		addresses are typically found in
		installations utilizing SNA
		gateways and/or front-ends.
Table 11. Multiple Bridging Modes

CrossFire 8600/8605 Token-Ring Switches v. 1.2, P/N: 710001641 Switch Theory of Operation