North American Network Operators Group
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Re: Any 1U - 2U Ethernet switches that can handle 4K VLANs?
- From: Alexei Roudnev
- Date: Tue Jan 27 02:19:34 2004
Sorry; of course, I meant _change MTU_.
>
>
> Both the ISL _and_ the Dotq headers are stripped off at the trunk
> interface so they _both_ change the packet size but neither alters the
> payload.
>
>
> Scott C. McGrath
>
> On Mon, 26 Jan 2004 sthaug@nethelp.no wrote:
>
> >
> > > ISL _DOES NOT CHANGE_ packet size.
> >
> > An 802.1q tag adds 4 bytes to the Ethernet frame.
> >
> > ISL encapsulation adds 30 bytes to the Ethernet frame.
> >
> > Steinar Haug, Nethelp consulting, sthaug@nethelp.no
> >
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