Does FreeBSD do proactive ARP refresh?
sthaug at nethelp.no
sthaug at nethelp.no
Sat Aug 25 10:17:04 UTC 2018
>> > >> And thank you for that suggestion! The packet loss during ARP refresh
>> > >> (of the destination address connected to the output interface) does
>> > >> *not* happen when the box is forwarding! It only happens with locally
>> > >> generated traffic.
>> > Should be fixed by r331098.
>>
>> I can confirm that 12.0-CURRENT with the r331098 updates fixes this
>> problem for me for locally generated traffic. The ARP entry seems to
>> be refreshed around 4 seconds before expiry, and there is no packet
>> loss.
>>
>> Transit traffic (non locally generated) also works as before, the ARP
>> entry is refreshed before expiry and there is no packet loss.
>>
>> Thanks for the quick fix! Now waiting for the MFC :-)
>
> Looks like the r331098 fix hasn't been MFCed. With 11.2 released,
> could we have MFC of r331098, please?
I see that r331098 has been MFC'ed. Thank you!
Steinar Haug, Nethelp consulting, sthaug at nethelp.no
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