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(usagi-users 00450) A question about hop limit

Hello!

I'm developing a program which needs to set and get the hop limit for 
output packets, and I don't get it works properly. I always get an 
error 
of 'invalid argument'. I've copied an example from several RFCs and the 
code is the following:

int hoplimit = 10;

    setsockopt(s, IPPROTO_IPV6, IPV6_UNICAST_HOPS, (char *)&hoplimit,
 sizeof(hoplimit));


I get the error number 22: Invalid argument.

Someone can help me with this in trying to set and get the hop limit 
for 
output packets as a sticky option? I'm wondering if it is actually 
implemented.

          Thanks a lot.


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