Hello all,
I'm a little confused over "length" bits in the RIF. The Token Ring White
Paper (Lou Rossi), states that "bits 12 through 8 describe the total length
represented in bytes." It goes on to say that a value of "a" indicates
there are 3 bridges, an "8" indicates there are 2 bridges, and a "6"
indicates there is one (1) bridge.
My question is this: Does the above parameters take int0 account the very
last bridge i.e., since all RIFs end in a bridge of "0," is this last bridge
(0) included in the count of the length bits?
Example:
Packet type = specific route
Direction ---->
Frame size = 512
Host1--ring--bridge--ring--bridge--ring--Host2
Would this be a "0830.xxxx.xxxx.xxx0" or a "0A30.xxxx.xxxx.xxx0"
The reason that I ask, is because on several CCIE practice test, as well as
the actual written exam, the answers do not seem to regard this fine point.
thanks
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