[66823] in North American Network Operators' Group
Re: Any 1U - 2U Ethernet switches that can handle 4K VLANs?
daemon@ATHENA.MIT.EDU (sthaug@nethelp.no)
Mon Jan 26 16:13:27 2004
To: mcgrath@fas.harvard.edu
Cc: nanog@merit.edu
From: sthaug@nethelp.no
In-Reply-To: Your message of "Mon, 26 Jan 2004 16:00:15 -0500 (EST)"
Date: Mon, 26 Jan 2004 22:12:53 +0100
Errors-To: owner-nanog-outgoing@merit.edu
> 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.
Obviously. But the fact that ISL adds 26 bytes more than 802.1q means
that multiple levels of ISL encapsulation is somewhat less practical
than multiple levels of 802.1q tags.
Some of us *need* those multiple levels of 802.1q tags.
Steinar Haug, Nethelp consulting, sthaug@nethelp.no
