This comes highly recommended from an SLP Project mailing list
member. A cursory glance at their Web site just led me to send
it on. If you need to do packet analysis of Internet protocols
(including SLP), you probably need this free tool:
>From their home page (above):
"Ethereal is a free network protocol analyzer for Unix and Windows.
It allows you to examine data from a live network or from a capture
file on disk. You can interactively browse the capture data, viewing
summary and detail information for each packet. Ethereal has several
powerful features, including a rich display filter language and the
ability to view the reconstructed stream of a TCP session."
- Ira McDonald
High North Inc