Wireshark · Ethereal-dev: [Ethereal-dev] unsupported network type in capture file

[Nathan Jennings <njen@xxxxxxxxxxxxx>]

Hello,

I receive the following error using Ethereal 0.9.11 when I try to open a 
certain capture file:

"The file <filename> is a capture for a network type that Ethereal 
doesn't support."

The capture file was written by the default, IBM provided tcpdump 
included with AIX 4.3. I've read other captures in Ethereal written by 
this tcpdump previously, but these successful reads have been of 
captures from the host's ethernet interface. The error message above is 
generated when I try to read a capture from the host's loopback 
interface (lo0).

I compiled/installed the latest tcpdump on my desktop and tried to read 
the capture file. It outputs an error message as well, saying datalink 
type 24 not found (maybe this helps?).

I was hoping someone might have some suggestions or guidance on how I 
might modify Ethereal so it can read these capture files. I will 
probably need to read/view capture files off this host's loopback 
interface in the future, so I'd like to correct this if possible.

Thanks for your time,  -Nathan