Re: Does FreeBSD do proactive ARP refresh?

2018-03-17 Thread Rodney W. Grimes
[ Charset UTF-8 unsupported, converting... ] > 17.03.2018, 21:23, "Rodney W. Grimes" : > >> ?16.03.2018, 14:50, "sth...@nethelp.no" : > >> ?.. > >> ?>> ?And thank you for that suggestion! The packet loss during ARP refresh > >> ?>> ?(of the destination address connected to the output interface) doe

Re: Does FreeBSD do proactive ARP refresh?

2018-03-17 Thread Alexander V . Chernikov
17.03.2018, 21:23, "Rodney W. Grimes" : >>  16.03.2018, 14:50, "sth...@nethelp.no" : >>  .. >>  >> ?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 o

Re: Does FreeBSD do proactive ARP refresh?

2018-03-17 Thread Rodney W. Grimes
> 16.03.2018, 14:50, "sth...@nethelp.no" : > .. > >> ?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.

Re: Does FreeBSD do proactive ARP refresh?

2018-03-17 Thread Alexander V . Chernikov
16.03.2018, 14:50, "sth...@nethelp.no" : .. >>  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 fi

Re: netmap ixgbevf mtu

2018-03-17 Thread Vincenzo Maffione
First, please make sure to use the latest netmap from github. Yes, drivers in general use 2K or 4K RX buffers regardless of the MTU or netmap buffer size. To receive a frame larger than the RX buffer size you need multiple netmap slots (as multiple descriptors are used by the hardware), looking at