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Reply To: Cisco CRC Error

Alex Zhilyakov


Collisions are normal events in shared Ethernet environment. You will virtually always see them in Half-Duplex ethernet operation.

It seems that your hub does not support full-duplex (and if it did, it would be switch then). If error counters do not increase anymore, just collisions, then you are fine.

If your collision rate rises above 10-20%, think about replacing the hub with a full-duplex switch.