From: Jack Heney (jheneyccie@xxxxxxxxxxx)
Date: Tue Oct 03 2000 - 14:35:44 GMT-3
I'm a little confused about the use of the term "vlan" in a token ring
environment....I understand the difference between trbrf and trcrf (at least
I think I do), but as I am reading about configuring the 3900, a couple
questions pop up....When assigning ports to a ring and rings to a bridge,
both the bridges and the rings are assigned to vlans (with the rings also
being assigned a parent vlan...the trbrf)...I have always understood a vlan
to be a broadcast domain, where a routing function is required to get from
one vlan to another...Since multiple trcrf's can be connected via the same
parent trbrf, is a group of rings that share a bridge (trbrf) a single
broadfcast domain? If so, what advantage is gained by creating these vlans?
Also, can rings that don't share the same parent trbrf communicate without
some sort of routing occurring (i.e. across the switch backplane?) These
questions may sound sort of rudimentary, but I can't find a clear
description in the archives or on CCO (and I don't have access to a 3900).
Thanks in advance for any help....Jack Heney
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