[Interest] IPV6 not working

[Thiago Macieira]

On sexta-feira, 22 de março de 2013 14.57.23, Etienne Sandré-Chardonnal wrote:
> Dear all,
> 
> I'm working on a networked application, intended for use on local area
> networks. So far it works fine using IPV4 addresses for connecting.
> 
> I recently tried passing a host name instead of IP address to
> connectToHost(), this failed. After more investigation, the lookup
> gives an IPV6 address first, and if I give this IPV6 address to
> connectToHost(), it fails with a timeout error.
> 
> Pinging the IPV6 address works, so I believe the OS/network is not in cause?

Can you connect to the port in question on this IPv6 address? It might be a 
firewall or routing issue that affects TCP but not ICMPv6.

Can you run a packet capture application while your application is trying to 
connect? Can you see the TCP SYN packets being sent? Do you see replies?

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center
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