Re: RTM_NEWNEIGH message for static ARP entry

In reply to: Hartmut Brandt : "RTM_NEWNEIGH message for static ARP entry"
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From: Alexander Chernikov <melifaro_at_FreeBSD.org>
Date: Wed, 21 Jun 2023 22:14:08 UTC


On Wed, 21 Jun 2023, at 5:19 PM, Hartmut Brandt wrote:
> Hi,
> 
> when I set a static ARP entry I see an RTM_NEWNEIGH message on a netlink 
> socket as expected, but the ndm_state is NUD_INCOMPLETE. Should'nt this be 
> NUD_NOARP? At least this is what Linux returns.
Thanks for the report, I’ll take a look.
To me, NUD_REACHABLE | NUD_PERMANENT looks better suited for the particular case, but I’ll dive deeper tomorrow. Anyway NUD_INCOMPLETE is certainly wrong.
> 
> Cheers,
> Harti
> 
> 

/Alexander