Subject: Re: 802.1Q & ETHER_MAX_LEN
To: None <itojun@iijlab.net>
From: Anders Magnusson <ragge@ludd.luth.se>
List: tech-net
Date: 10/02/2000 02:21:48 
> 
> 	the problems are:
> 	- we have two ways to do VLAN: decreasing MTU or using bigger L2 frame
>
802.3ac specifies that the total ethernet packet length can be up to
1522 bytes so that switches don't have to fragment packets when
converting between VLAN/non-VLAN networks. If we are going to handle
VLAN we must obey this rule.

-- Ragge