Re: IP6 client-id for DHCP6

[Dan Williams <dcbw redhat com>]

On Wed, 2013-07-24 at 17:15 -0400, Stuart Gathman wrote:
> Network Manager in Fedora 19 has a Client ID field in the IP4 tab when 
> configuring a connection.  For DHCP servers that support it, this allows 
> keeping the same lease when swapping hardware without changing the 
> hardware MAC.
>
> While this is a relatively recent feature for IP4 DHCP, it is pretty 
> much the only way to assign a fixed address for IP6 DHCP.  And yet, the 
> IP6 tab doesn't even display the client id!  I have to get a dynamic ip, 
> and then dig through lease files to extract the client-id, and then 
> convert the format from escaped byte string to hex.  Could we have some 
> way to at least display the client-id in a form accepted by dhcpd6.conf?

For now, you can add the client ID to eg /etc/dhclient6-wlan0.conf which
will get read by NM and merged into the final dhclient config that's
actually sent to the server.

Dan

> In the mean time, what is the most reliable procedure using lease 
> files?  It still takes me way too long.  Any utilities already written 
> to scan server lease file and output client id in dhcnd6.conf compatible 
> form (with assigned dynamic IP for identification)?
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