[NTLUG:Discuss] OT: Ethernet 5.4.3 rule

[Jack Snodgrass]

On Wed, 2004-08-11 at 17:44 -0500, Richard Geoffrion wrote:
> OK...I know this isn't specifically Linux related...but does the old
> Ethernet 5-4-3 rule apply in today's world of ethernet hubs and switches?
> 

5-4-3 rule... no... this was for when you used bnc cables and daisy 
chained stuff. Modern ( or semi modern ) switches and hubs have 
on-board memory/logic to take care of the broadcast and timing 
issues the 5-4-3 rule addressed. 


> Other than total unmanagability and security issues...what happens to a
> network when little workgroup hubs and switches sprout up all over the
> network so that people can plug in network printers, laptops and who knows
> WHAT into their one office ethernet jack?
> 

don't know about what rules to use now... I know the 10mbit swith 
that servers my office floor runs more like a 56k modem sometime. 

jack