RFC 1044 (rfc1044) - Page 2 of 43

Internet Protocol on Network System's HYPERchannel: Protocol specification

RFC 1044           IP on Network Systems HYPERchannel      February 1988


TABLE OF CONTENTS

    Status of this memo  . . . . . . . . . .  . . . . . . . . . . . .  1
    Goals of this document   . . . . . . . .  . . . . . . . . . . . .  3
    Basic HYPERchannel network messages  . .  . . . . . . . . . . . .  4
      Basic (16-bit address) Message Proper header  . . . . . . . . .  5
      TO addresses and open driver architecture   . . . . . . . . . .  7
      Extended (32-bit address) Message Proper header . . . . . . . .  8
      Address Recognition and message forwarding .  . . . . . . . . . 10
      32-bit message fields   . . . . . . . . . . . . . . . . . . . . 12
    Broadcasting   . . . . . . . . . . . . . . . . . .  . . . . . . . 14

    PROTOCOL SPECIFICATION .  .  .  . . . . . . . . . . . . . . . . . 17
      Basic (16-bit) Message Encapsulation    . . . . . . . . . . . . 18
      Compatibility with existing implementations . . . . . . . . . . 21
      Extended (32-bit) Message Encapsulation   . . . . . . . . . . . 24
      Address Resolution Protocol   . . . . . . . . . . . . . . . . . 27
      Maximum Transmission Unit . . . . . . . . . . . . . . . . . . . 31

    ADDRESS RESOLUTION    . . . . . . . . . . . . . . . . . . . . . . 32
      Local Address Resolution  . . . . . . . . . . . . . . . . . . . 33
      Configuration file format   . . . . . . . . . . . . . . . . . . 34
      ARP servers   . . . . . . . . . . . . . . . . . . . . . . . . . 35
      Broadcast ARP   . . . . . . . . . . . . . . . . . . . . . . . . 36

    Appendix A.
    NSC Product Architecture and Addressing   . . . . . . . . . . . . 38

    Appendix B.
    Network Systems HYPERchannel protocols    . . . . . . . . . . . . 42





















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