Fun with sflowtool!

Here's a useful trick if you like using sflowtool for remote packet
capture style network analysis:

Configure Inmon server to forward sflow datagrams to 127.0.0.1:7343

At the workstation run the following:

nc -l -u -p port server | ethereal -lk -i -

At the server run the following:

sflowtool -p 7343 -t | tcpdump -F filter.txt -l -r - -w - | nc -u
workstation port

filter.txt should contain a tcpdump capture filter.

This allows you to pre-filter the sflow data, and then display it on a
remote workstation, without having to drag all of the samples across
the network.

Tim:>

                
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Received on Mon Nov 15 13:12:46 2004