interesting about OSX, NAT64 prefix discovery

Mikael Abrahamsson swmike at swm.pp.se
Tue Oct 15 13:09:56 CEST 2013


On Mon, 14 Oct 2013, Michael Loftis wrote:

> or dscacheutil -flushcache

dhcp-28-70:Downloads mikaelabrahamsson$ dscacheutil -flushcache
dhcp-28-70:Downloads mikaelabrahamsson$ ping6 swm.pp.se
PING6(56=40+8+8 bytes) 2001:67c:64:47:ec62:fe83:affa:f283 --> 
2001:db8:624::d4f7:c88f
16 bytes from 2001:db8:624::d4f7:c88f, icmp_seq=0 hlim=49 time=83.997 ms
^C
--- uplift.swm.pp.se ping6 statistics ---
1 packets transmitted, 1 packets received, 0.0% packet loss
round-trip min/avg/max/std-dev = 83.997/83.997/83.997/0.000 ms

dhcp-28-70:Downloads mikaelabrahamsson$ grep swm.pp.se /etc/hosts
212.247.200.143    uplift.swm.pp.se uplift swm.pp.se webmail.swm.pp.se

No DNS queries were done for swm.pp.se during this above interaction, as 
verified by tcpdump on en0.

-- 
Mikael Abrahamsson    email: swmike at swm.pp.se


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