prefix delegation for IPv6.

Guo, Fei Fei.Guo at
Wed Nov 17 08:40:11 UTC 2010

Thank you very much.

but if I need to advertise the prefix to other hosts on DHCP client side,  ISC DHCP client already do this? Or I must configure with the other daemon (i.e. radvd on linux)?

Thanks again

WIND RIVER | China Development Center
Tel: 86-10-8477-8665  |  Fax: 86-10-64790367

-----Original Message-----
From: sthaug at [mailto:sthaug at] 
Sent: 2010年11月16日 20:37
To: dhcp-users at; Guo, Fei
Subject: Re: prefix delegation for IPv6.

> does anyone give me an example about how to configure prefix 
> delegation with ISC, thank you very much.

option 2001:8c0:1100:100::2; option dhcp6.domain-search "a.b.c"; max-lease-time 432000; default-lease-time 86400; ddns-update-style none;
subnet6 2001:8c0:1100:0100::/56 {
        range6 2001:8c0:1100:0100::/64;
        prefix6 2001:8c0:1100:0110:: 2001:8c0:1100:0190:: /60; }

This lets ISC dhcpd hand out 9 different /60 prefixes, from 2001:8c0:1100:0110::/60 to 2001:8c0:1100:0190::/60.

Steinar Haug, Nethelp consulting, sthaug at

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