North American Network Operators Group
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Re: Any 1U - 2U Ethernet switches that can handle 4K VLANs?
- From: Scott McGrath
- Date: Mon Jan 26 16:05:53 2004
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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