Permanent NDP entries overriden by ICMPv6 Neighbor Advertisement

Martin Beran martin at mber.cz
Tue Mar 31 15:42:28 UTC 2020


Dne 31. 03. 20 v 14:00 Andrey V. Elsukov napsal(a):
> On 31.03.2020 09:41, Martin Beran wrote:
>> Hi,
>>
>> when I set a permanent NDP entry by command
>>
>> ndp -s <ip> <mac>
>>
>> the record is denoted "permanent", by the specified MAC address is
>> overriden by a received neighbor advisory for the same IP address, but
>> with different MAC address. I tried this on FreeBSD 12.1-p2. Is this the
>> intended behavior, or should a "permanent" entry be really permanent?
> 
> Hi,
> 
> I think the entry should be permanent. Can you try this patch?

It works as expected. Thanks.


-- 
Martin Beran


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