[cisco-voip] 24 port switch question

Lelio Fulgenzi lelio at uoguelph.ca
Wed Sep 29 20:07:01 EDT 2010


I recall a bug/exposure where one could turn a switch into a hub by  
flooding the switch with arp announcements or something like that.

…
Don't look at me, my iPod maid that spilling mistake.

On 2010-09-29, at 5:57 PM, Matthew Ballard <mballard at otis.edu> wrote:

> On a switch with all ports running full duplex, the collision domain  
> is reduced down to the level of the individual port (which is one of  
> the key benefits of a switch), so you should never see a collision  
> if all ports are connected at full duplex to other switches and/or  
> devices.
>
> Beyond that, it depends on the switch, as you’ll hit either port cap 
> acity or forwarding limits of the switch before anything gets dropped.
>
> Matthew Ballard
> Network Manager
> Otis College of Art and Design
> mballard at otis.edu
>
>
> On 9/29/10 1:41 PM, "Robert Shearrill" <rshearri at uchicago.edu> wrote:
>
> Hi,
>
> Can some answer this question for me, or tell me where i can find  
> the reading on this question? I have looked and can find it no where.
>
> Question:
>
> How many frames can pass through a 24-port switch simultaneouly,  
> without causing a collision and with using full duplex used on all  
> ports?
>
> Thanks
>
> Robert
>
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