From: Hobbs (deadheadblues@gmail.com)
Date: Wed Dec 17 2008 - 01:38:15 ARST
My money is on dot1q because it says "open standard"
On Tue, Dec 16, 2008 at 7:10 PM, Nitro Drops <nitrodrops@hotmail.com> wrote:
> Hi All,
>
> Task - All traffic sent over these trunks should be tagged with an open
> standard VLAN Header.
>
> QNS - Should i be using (i) ISL or (ii) Dot1q + tag native vlan?
>
> Both methods will make all traffic tagged?
>
> Solution is using ISL. But i beg to differ.
>
> Based on Cisco text.
>
> ISL - Adds a 26 byte header plus a new trailer , encapsulating the original
> frame
> 802.1Q - Inserts a 4byte header, called a tag, into the original frame
>
> I always go for key-words such as tag or encaps. Thus based on this task,
> it
> should be using 802.1Q.
>
>
> Cheers
> Nit
>
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