Tunnel overhead [On killing IPv6 transition mechanisms]

Stig Venaas stig at venaas.com
Wed Mar 17 19:17:43 CET 2010

Eric Vyncke (evyncke) wrote:
> Brian
> Ping ietf with Ttl=66 waouw, I have never seen this value! I wonder 
> which was the hop limit value at ietf web site :-)

Almost certainly 128 I would say. But I'm getting 68 for IPv4 and I am
15 hops away (if IPv4 path is symmetric). But I've never heard of any OS
using 83 or whatever for initial TTL. AFAIK there are OSes using 64 and
128, but I'm not aware of any in between.


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