[Battlemesh] Troubleshooting IPv4/IPv6 MTU problems / Talk Proposal

Saverio Proto zioproto at gmail.com
Tue Feb 18 17:41:53 CET 2014


this is a talk proposal for the WBMv7.

Title: Troubleshooting MTU problems on IPv4 and IPv6 networks.

Abstract: Ninux Roma is a Native IPv6 network with legacy support to IPv4.
Usually we expect 1500bytes of MTU and a boring NOC life.
Unfortunately life is different. All kind of tunneling (VLAN, GRE,
TINC, MPLS) are deployed on the Internet, eating bytes out of the MTU.
Some mesh routing protocols use tunneling techniques themself. IPv4
packet fragmentation introduces bad performances but a working IPv4
end to end connectivity even if some link have a smaller MTU than
In the IPv6 Internet a MTU problem can blackhole your traffic. In this
talk we see some well known tools (ping6, radvd), and we understand
how to use them to check the end to end MTU.

The time for this talk is 40 minutes + questions. Just I will need the


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