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Programming and controlling ServerU network Bypass port pairs
Posted by Alex Lemos on 07/Mar 17:42

ServerU appliances equipped with 2nd Generation bypass controllers like ServerU Netmap L-100 has BIOS configuration which allows basically for two states:

  1. System OFF: configured bypass pairs are enabled and bypass is ON
  2. Run-time: when kernel is compiled with Intel Watchdog support bypass is OFF while kernel is loaded and responsive. If kernel is not compiled with Intel Watchdog bypass is always OFF as long as power is ON.

But ServerU appliances equipped with 3rd generation bypass controllers like ServerU Netmap L-800 or ServerU Netmap L-400 with bypass enabled expansion cards have a much more complete and efficient fully programmable bypass interface.

To fully understand how to program and control 3rd generation bypass interface pairs download the latest kernel module and install the control utility available at:

Check the README file for a full explanation on how to use the utility and how bypass works, and to fully program it check the Reference Manual in PDF format which is included in the tar ball so you can have detailed information on all commands, expected input and output data: 

If you have doubts regarding any special condition which is not documented in the PDF file or any other question please open a Support Ticket.

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