Andrew Falanga wrote: > Hi, > > I'm about to launch this computer through the roof! This tcpdump is > more finicky than feline when it comes to eating. What really bugs me > is that just a couple of days ago I was doing this very same thing > with no problems. For some reason, however, I just can't resurrect > the memory of how the syntax goes. > > I want to capture only the IPv6 UDP traffic from my FreeBSD box to a > host I'm trying to mount through NFS. A couple of days ago, I got it, > but I had to kill that terminal session abnormally and the commands > aren't in my history. So, I have something like this, > > tcpdump -v -s 192 -i fxp0 ip6 host remote > > The above works. However, when I try to modify the command to filter > out only the UDP traffic, I've tried something like this: > > tcpdump -v -s 192 -i fxp0 ip6 udp host remote > > To which tcpdump complains of syntax errors. Variations I've tried are: > > tcpdump -v -s 192 -i fxp0 ip6 proto udp host remote > > tcpdump -v -s 192 -i fxp0 udp ip6 host remote
expression primitives have to be AND'd. tcpdump -v -s 192 -i fxp0 host _remote_ and udp and ip6 > Please help! Hope this helps, > > Thanks, > Andy -- Pietro Cerutti PGP Public Key ID: http://gahr.ch/pgp
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