How to configure NetworkManager to use DUID-LL type with dhclient?

Hi, I've been looking for information about how to configure network manager to pass parameters to dhclient. The goal is use dhclient with "-D LL" (use DUID-LL as default type of DUID generation). I can see that NetworkManager is calling dhclient in a way that DUID-LLT is being used.

For IPv6 networks we need to ensure that a host has, at minimum, one known IPv6 address. So, after the first DUID generation, we need to register this value in a system and ensure that this value doesn't change anymore. If we use DUID-LLT we cannot do that. So, we need that NetworkManager calls dhclient using DUID-LL (dhclient -D LL ...).

Is there some way to do that? Some configuration on NetworkManager.conf? Does NetworkManager support this?


Jorge Luiz Corrêa
Embrapa Informática Agropecuária

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