dhcpcd-discuss

Hi Roger

On 13/03/2019 17:24, Roger James wrote:
> Running dhcpcd version 1:6.11.5-1+rpt7 on debian. I see the DUID-LLT 
> generated by dhcpcd and stored dhcpcd.duid is being updated with a new 
> timestamp every time it is sent out for example in a solicit. Surely 
> this is contrary to RFC6355.
>
>
> "DUIDs are intended to remain constant over time, so that they can be
>    used as permanent identifiers for a device. In the case of DUID-
>    LLTs, they are intended to be generated once, stored in stable
>    storage, and reused from that point forward."
>
>
> Is this intentional?

Certainly not from dhcpcd.
It's not intentional if the case.

> Also if the dhcp.duid file is hand edited and a DUID-UUID is inserted, 
> then then the UUID part of the DUID is truncated to 8 bytes when it is 
> used.
>
>
> This makes it difficult to use dhcpcd to assign static dhcpv6 leases.

Maybe this is the cause of the former?
Would you mind sharing a duid file which exhibits this?

Roy