'reject' list in the ISC DHCPv6 client

[Carsten Strotmann (Men & Mice)]

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Hello Frank,

I can only guess, probably someone at the vendors side found it a good idea.

The vendor is now aware of the issue and will fix it. But I expect
similar issue to surface, and for the same reasons that the "reject"
function was useful in the DHCPv4 client, it will be useful in the IPv6
client.

Sometimes as a DHCP client operator you do not have control over the
network and the DHCP misconfigurations therein.

Of course the best is to educate people so that this problems are
avoided. That is why ISC has excellent DHCP training classes :)

Best regards

Carsten Strotmann


On 3/3/11 6:44 AM, Frank Bulk wrote:
> Why is that CPE equipment even listening to/for requests on that interface?
> 
> Frank
> 
> -----Original Message-----
> From: dhcp-users-bounces+frnkblk=iname.com at lists.isc.org
> [mailto:dhcp-users-bounces+frnkblk=iname.com at lists.isc.org] On Behalf Of
> Carsten Strotmann (Men & Mice)
> Sent: Wednesday, March 02, 2011 8:41 AM
> To: Users of ISC DHCP
> Subject: 'reject' list in the ISC DHCPv6 client
> 
> Hi,
> 
> here comes a little feature request for the ISC DHCPv6 client:
> 
> in the DHCPv4 client, it is possible to blacklist one or more DHCP
> server with the 'reject' statement.
> 
> We see CPE equipment being rolled out that has a DHCPv6 server enabled
> that cannot be disabled by the user/owner. This is problematic if there
> is a full featured ISC DHCP server deployed, but the CPE is answering
> faster.
> 
> It would be useful to have a similar 'reject' feature that is available
> already for DHCPv4 in DHCPv6 (a list of IPv6 addresses from where DHCPv6
> responses should be ignored by the ISC DHCPv6 client).
> 
> Best regards
> 
> Carsten Strotmann
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