Re: [fw-wiz] easy way to scan for issues with path mtu discovery?

Does anyone know of an easy way to scan for issues with path mtu discovery
along a hop path? E.g. if you think someone is black-holing along a route,
or even on the endpoint host, could you use some obscure nmap flag to find
out for sure, and also to identify the offending hop/router/host? What tool
would you use to test for this, and how would you do such a test?



Patrick,

tracepath on Linux and mturoute on windows will tell you what is the path's
mtu. If I remember correctly, mturoute gets confused by some of the icmp
messages.

--
Marcin Antkieiwcz
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