O-Ran, how to disable using udCompHdr from C-plane msg

asked 2026-05-25 20:05:43 +0000

Michael K. gravatar image

Newer versions of Wireshark had begun matching C- and U-plane messages. This fails when RU/DU is setup to use static compression (set by M-plane). In this case udCompHdr in the C-plane msg is not used and should be set to 0 (16 bit, no compression) - even when the U-plane messages in using e.g. BFP-9.

How do we turn off this matching function? It does not help to set O-RAB Fronthaul CUS preferences to BFP-9.

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