5.2.11. Z/IP Command Class, version 3

The Z/IP Packet Command Class, version 3 adds the support of the Encapsulation Format Info Option to the Z/IP Packet Option types.

5.2.11.1. Compatibility considerations

Z/IP Packet Command Class, version 3 is backwards compatible with the Z/IP Packet Command Class, version 2.

\requirement{CC:0023.03.00.21.001}{0}

A device supporting Z/IP Packet Command Class, version 3 MUST support Z/IP Packet Command Class, version 2.

\requirement{CC:0023.03.00.21.002}{0}

All fields and commands not described in this version MUST remain unchanged from version 2.

\requirement{CC:0023.03.00.21.003}{0}

A node supporting the Z/IP Packet Command Class, version 3 MUST support the Encapsulation Format Information Option and respect the requirements specified in Encapsulation Format Information Option.

5.2.11.2. Z/IP Packet Command

\requirement{CC:0023.03.02.11.001}{0}

The frame structure MUST remain unchanged from version 2.

Secure Origin (1 bit)

This field is superseded by the Encapsulation Format Information Option.

\requirement{CC:0023.03.02.11.002}{0}

A version 3 sending node MUST use the Encapsulation Format Information Option with a version 3 receiving node.

\requirement{CC:0023.03.02.11.003}{0}

This field MUST be ignored by a receiving node if an Encapsulation Formation Information Z/IP Option is included in the Z/IP Packet.