8100 used to be a Wellfleet EtherType. I guess since Wellfleet submerged
into Bay Networks (with Synoptics) they don't need their EtherType
anymore!? &;-)
Priscilla
At 01:18 PM 9/8/00, Erick B. wrote:
>Trivia Q... where the TPID value of 0x8100 come from?
>
>--- Dale Holmes <[EMAIL PROTECTED]> wrote:
> > Yes, it's true, .1Q adds 4 bytes. The TPID and TCI
> > fields look like this:
> >
> > Tag Protocol Identifier (TPID) 2 bytes
> > - fixed value of 0x8100 16 bits
> > Tag Control Information (TCI) 2 bytes
> > - User Prioroty 3 bits
> > - Canonical FFormat Indicator (CFI) 1 bit
> > - VLAN Identifier 12 bits
>
>
>=====
>---------------------/-----------------------
> Erick B. / http://berk.dhs.org
> [EMAIL PROTECTED] / CCNP+Security+NetRanger
> / Nortel NCSE, CCIE Writ.
>-----------------/---------------------------
>
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