[c-nsp] autonegotiating hub was: Deferred packets on 2950 10/full interface

Mikael Abrahamsson swmike at swm.pp.se
Sat Jan 15 08:14:40 EST 2005


On Sat, 15 Jan 2005 lee.e.rian at census.gov wrote:

> Cheap combination of both - they act like there's an internal 2 port
> switch for switching traffic between the 10Mb hub ports and the 100Mb
> hub ports.

But the author referred to them as being "full duplex":

>> autonegotiating or not and often assumed autonegotiating hubs
>> really wern't autonegotiating and would go to half duplex.  Meanwhile
>> the hub would assume the Tlan card was full duplex and setup for it.

For me a hub cannot be full duplex, whatever speed. A hub is by 
definition a half duplex device, even if it's dual speed.

-- 
Mikael Abrahamsson    email: swmike at swm.pp.se




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