Re: [PATCH 1/2] netconfig: Set preferred lifetimes on DHCP addresses

Denis Kenzior <[email protected]>
Newsgroups dev.linux.lists.ell
Message-ID <[email protected]>
Hi Andrew,

On 10/7/22 13:02, Andrew Zaborowski wrote:
> We receive one lease lifetime value for a DHCP lease so we were setting
> the preferred lifetime for the RTNL address to 0 and the valid lifetime
> to the lease lifetime.  If either value is non-zero rtnl.c will send
> both to the kernel and the 0 preferred lifetime is treated as literal
> zero and the address becomes deprecated immediately.  This doesn't
> matter for most usages but systemd-resolved would check whether a link
> has a non-deprecated address before setting the link's
> "unicast_relevant" flag and internally wouldn't create a DNS "scope" on
> the link or set its "DefaultRoute" flag both of which are required for
> it to want to resolve names.
> ---
>   ell/netconfig.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 

Both applied, thanks.

Regards,
-Denis
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