Specifications

550 ExtremeWare Error Message Decoder
Warning Messages
ACK Error
Write Address: Didn't get an ack.
Read Command: Didn't get an ack.
Write Command: Didn't get an ack.
Software Version
ExtremeWare 2.x and 4.x
Hardware Version
All
Explanation
These messages indicate that the switch cannot communicate with the GBICs.
Action
Remove and re-insert the GBICs and power cycle the switch.
If this action does not fix the problem, replace the GBICs.