[c-nsp] half duplex question

Nick Hilliard nick at foobar.org
Wed Aug 3 14:50:06 EDT 2011


On 03/08/2011 18:25, Chris Adams wrote:
> 10Mbps/half-duplex is not the same as 5Mbps/full-duplex.  In my
> experience, 10Mbps/half-duplex will be able to get about 3Mbps
> throughput before collisions bog everything down.

this brings up horrible memories of having to connect two routers together
using 2 x 10M half-duplex links and using ospf weighting to get TX running
down one link and RX down the other.  I.e. synthesised virtual 10M full
duplex.  Ghetto, but when there's no budget to buy more routing gear...

Nick




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