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networkPort.ipv6ZoneIndex |
According to the BACnet protocol documentation:
Contains the zone index for the B/IPv6 link local address when the node supports multiple IPv6 link local addresses. According to RFC 4007, because all link-local addresses in a host have a common prefix, normal routing procedures cannot be used to choose the outgoing interface when sending packets to a link-local destination. A special identifier, known as a zone index, is needed to provide the additional routing information.
Property ipv6ZoneIndex of object networkPort can be read and written using a single IOTag.
Property |
Value |
ParamDevice |
<deviceAddress> |
ParamItem |
networkPort-<objectAddress>.ipv6ZoneIndex |
Property |
Value |
N1: |
<deviceAddress> |
N2: |
<type> = 56 |
N3: |
<objectAddress> |
N4: |
<property> = 446 |
A string value.