Wireshark · Wireshark-users: Re: [Wireshark-users] [Fwd: question format libcap X wireshark

[Jeff Morriss <jeff.morriss.ws@xxxxxxxxx>]

Zuleika Ferreira wrote:
> hi,
> help me please!
>
> i am writing the program for to write the file .pcap and to read with
> wireshark, but when I try to open the file apreset the message: The file
> "C:\dev\API\features\ss7.vargas\K3L\zupcaplog.pcap" is a capture for a
> network type that Wireshark doesn't support.
> (pcap: network type 43 unknown or unsupported).
>
> The program is simple, is a test, and i dont understand why is the
> problem. I used for network the type WTAP_ENCAP_MTP3 because the write in
> this protocol.

43 is WTAP_ENCAP_MTP3 which is NOT the same as the libpcap DLT value 
that must be put in the PCAP file.

You want to use the value 141.