On Fri, Nov 22, 2002 at 06:11:04PM +0800, Tay Chee Yong wrote: > Hi all, > > Would like to find out what does the number 11 means under 'Pr' in the ip cache > flow output. Does it mean protocol number 11 (Network Voice Protocol) or > Protocol Type? It is hexadecimal 11, meaning 17 decimal, which is (from /etc/protocols): udp 17 UDP # user datagram protocol