dhclient with IPv6 and PD hints

Mike. the.lists at mgm51.com
Fri Apr 4 18:08:15 UTC 2014

What is the configuration file syntax to request a prefix delegation
of a size other than a /64?

Comcast recently fired up IPv6 dual stack in my area.   The IA-PD
request gives me a /64 delegation.

If I specify that I want a /60 in the PD hints, then Comcast will
delegate a /60 prefix to me so that I can split it up into /64 for my

Only, I cannot seem to find out how to get the ISC dhclient program
to request the /60 via a PD hint.  

What am I overlooking?


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