[VLAN] 802.1Q ARP frame size?

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On Wed, Aug 30, 2006 at 04:40:13PM -0400, John C. Lin wrote:
> (Sorry, if this is a FAQ)
> 
> I noticed that the 802.1Q ARP frame size generated by the Linux driver
> (V1.8) is only 64 octets (not 68 octets).
> 
> It seems the minimum frame size for 802.1Q is 68 octets.
As far as I know, the minimum frame size is 64 octets, since the
minimum frame size is determined by the media and timing. Sort of
between l1 and l2 ISO layers. 1Q is a sort of l3-ish l2.

http://www.informit.com/articles/article.asp?p=21320&seqNum=4&rl=1

says something sane about bit times and framesizes.

Anyway, if I recall correctly, there also was something like that
there were bugs in firmware in certain kind of switches that
assumed that 1Q means a minimum framesize of 68 bytes.

Feel free to correct me :-)

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