Re: Any 1U - 2U Ethernet switches that can handle 4K VLANs?

["Alexei Roudnev" <alex () relcom net>]

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