[nsp] 100Mb Ethernet Design Rules - Propagation delay

[Arnold Nipper]

On 04.06.2004 09:44 Ong Beng Hui wrote:

>>Is there any contraint on distance if fiber optic is used between two
>>100Mbps ethernet port?
>>
>>e.g.
>>
>>  Siwtch ----------O/E-------------------------O/E-------- Switch
>>                (cable)           (optical fiber)            (cable)
>>
>> 
>>
> 
> Hi,
> 
> The last time I look at it, there is an issue with Spanning Tree if the 
> propagation delay
> hit a certain value. Let me look it up again. Someone was talking about 
> Ethernet over
> around 7000 miles worst case previously.
> 

You do not really need Spanning Tree to run FE .... IMHO there is no
limitation.



Arnold