-pcap Network Type 276 Unknown Or Unsupported- =link= -

You are using an older version of Wireshark or tcpdump that predates the addition of the SCLP link type.

In the world of packet capture, every file has a "Linktype" or "Data Link Type" (DLT) field that tells the software how to interpret the data following the header. corresponds to LINKTYPE_SCLP . -pcap network type 276 unknown or unsupported-

Update your packages via sudo apt update && sudo apt upgrade wireshark (or your distribution's equivalent). 2. Convert the File to a Standard Format You are using an older version of Wireshark