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# PROFINET Precision Time Control Protocol (PN-PTCP)
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XXX - add a brief PN-PTCP description here
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## History
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XXX - add a brief description of PN-PTCP history
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## Protocol dependencies
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- [PROFINET/RT](/PROFINET/RT): PN-PTCP uses [PROFINET/RT](/PROFINET/RT) as its underlying protocol.
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## Example traffic
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XXX - Add example decoded traffic for this protocol here (as plain text or Wireshark screenshot).
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## Wireshark
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The PN-PTCP dissector is fully functional.
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## Preference Settings
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There are no PN-PTCP specific preference settings.
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## Example capture file
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XXX - Add a simple example capture file to the [SampleCaptures](/SampleCaptures) page and link from here (see below). Keep this file short, it's also a good idea to gzip it to make it even smaller, as Wireshark can open gzipped files automatically.
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- [SampleCaptures/PROTO.pcap](uploads/__moin_import__/attachments/SampleCaptures/PROTO.pcap)
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## Display Filter
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A complete list of PN-PTCP display filter fields can be found in the [display filter reference](http://www.wireshark.org/docs/dfref/p/pn_ptcp.html)
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Show only the PN-PTCP based traffic:
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```
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pn_ptcp
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```
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## Capture Filter
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You cannot directly filter PN-PTCP protocols while capturing.
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## External links
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- add link to PN-PTCP specification and where to find additional info on the web about it, e.g.:
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- [RFC 123](http://www.ietf.org/rfc/rfc123.txt) *The RFC title* - explanation of the RFC content.
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## Discussion
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---
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Imported from https://wiki.wireshark.org/PROFINET/PTCP on 2020-08-11 23:18:25 UTC |