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- Pinging the routers along the route to see if any of them respond with duplicates. Examples: Duplicate pings from SLAC to realimage.realnet.co.sz , www.lonab.bf.
- Capture the ping packets and look to see if all the packets are returned from the same Ethernet address.
- Do multiple hosts at a site/network domain/subnet return duplicate packets?
An example of the prvalence prevalence of duplicate ping packets comes from PingER measurements on March 31st 2012 from SLAC to 703 hosts in over 160 countries. Of these hosts 15 responded with duplicate pings. For 13 of the 15 hosts it occured on both 100 and 1000 Byte pings. Out of 10 pings sent:
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