v6ops-6----Page:9
1  2  3  4  5  6  7  8  9  10  11  12  13  14  15 

Rarer ‘probing’ example
One host (in Thailand) checking presence/route to a number of publicly advertised systems:

20:06:51.850661 2001:f00::8.45821 > augur.ecs.soton.ac.uk.33434: udp 16 [hlim 1]
20:07:03.935552 2001:f00::8.45822 > sixprints.ecs.soton.ac.uk.33434: udp 16 [hlim 1]
20:09:14.044278 2001:f00::8.45824 > seven.ecs.soton.ac.uk.33434: udp 16 [hlim 1]
20:09:23.785148 2001:f00::8.45825 > zepler.ecs.soton.ac.uk.33434: udp 16 [hlim 1]
20:09:33.249159 2001:f00::8.45826 > moorhen.ecs.soton.ac.uk.33434: udp 16 [hlim1]
20:09:43.009118 2001:f00::8.45827 > crow.ecs.soton.ac.uk.33434: udp 16 [hlim1]
20:09:52.503731 2001:f00::8.45828 > jackdaw.ecs.soton.ac.uk.33434: udp 16 [hlim1]
20:10:02.243615 2001:f00::8.45829 > coot.ecs.soton.ac.uk.33434: udp 16 [hlim 1]

PPT Version