From: Steve McNutt (lpd@xxxxxxxxxxxxxxxx)
Date: Tue Oct 03 2000 - 20:48:46 GMT-3
I think we're drifting off-topic here. Try this.
http://www.nwfusion.com/research/token.html
-----Original Message-----
From: Jack Heney [mailto:jheneyccie@hotmail.com]
Sent: Tuesday, October 03, 2000 7:34 PM
To: lpd@jacksonville.net; ccielab@groupstudy.com
Subject: RE: Token Ring Vlans
Thanks for the explanation (it certainly wasn't too crappy)...I'm sorry to
keep firing questions off, but the more I learn, the more questions it
creates....Three more quick things....1.) Does the term MAC frame refer to a
frame that is 802.5 without an LLC header, or is it some sort of ethernet
framing (802.3 or ethertype or something)?
2.)
>LLC broadcast frames are free the traverse the entire bridged domain
>whereas MAC frames are not allowed to leave the ring (or switchport if your
>a switch)
Why would a switch filter a broadcast? I've always interpreted "switch" to
represent a device that forwards broadcast and unkown frames.
3.) I understand your explanation about frames without a RIF no being
forwarded to other trcrfs if you are using SRB at the trcrf level, but this
is the default behavior of the 3900 (SRB at the trcrf level, not
SRT)....What types of frames would be generated without RIF's? Are these
the MAC frames you are talking about, or is the LLC/MAC distinction
completely separate from the RIF/no RIF distinction?
Thanks again for all your help...Jack
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