google path mtu?
mjl at luckie.org.nz
Tue Jan 20 17:21:29 CET 2015
> It struck me that this should be possible to test on an
> host. Basically if the host can just respond to a packet with PTB,
> then checking if the size of the packets received changes or not
> would be interesting. Is anyone aware of someone implementing this
Yes, the tbit tool does this.
We have implemented parts of tbit in scamper, and in particular
modified the PMTUD test algorithm, and to add IPv6 support. The main
limitation is that it requires IPFW (i.e. freebsd, or an older version
of MacOS X)
An example test from the past:
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 181 bytes
Desc: not available
Url : http://lists.cluenet.de/pipermail/ipv6-ops/attachments/20150120/bb72f907/attachment.bin
More information about the ipv6-ops