Group,

An update on that late-collision issue I brought to the list a while back.

Finally got to talk to a tech with my ISP today and we worked through the
circuit.

It seems the half-duplex / full-duplex answer wins the prize.

At first they tried to get me to verify my router's settings and as I have
done many times before, a sh int e0/1 indicated that the interface was not
full-duplex.

But he wanted me to give a command to change it to half-duplex "just to see
what happens".

But I suggested he do it on his end first - "just to see what happens".

In the meanwhile we were monitoring the router interface with sh int and
observing console errors.
The console was constantly spewing out transmit errors - late collision.

The sniffer was seeing significant alignment errors.

Anyway, he "does something" and immediately the console stops scrolling
errors.

amazing..........

So, we're going to stress this circuit a bit before letting them close the
ticket.

It seems they paid more attention when we said we had a sniffer on the line.

thanks for all the responses!

Kevin Wigle



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