-pcap Network Type 276 Unknown Or Unsupported- [patched] -

The error message "pcap: network type 276 unknown or unsupported" typically occurs when an older version of attempts to read a packet capture file containing LINKTYPE_LINUX_SLL2 The Story of "Type 276"

They did not need to change the file. Instead, they installed a custom Wireshark build with ZigBee plugins and used tshark on a Windows workstation running Npcap (which supports DLT 276 out-of-the-box). They also back-converted a subset of the capture using editcap -T 195 (since 195 is the official DLT for raw ZigBee without tap headers). -pcap network type 276 unknown or unsupported-