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Reply To: FreeBSD issues i.c.m. Firefly

#18339

Anonymous

There is allmost certainly nothing wrong with the Firefly installation.

There is however a bug in the em driver ( the driver used for the Intel NIC’s ) in version 7.0 of Freebsd. Which causes corruption of UDP packets ( used by Bonjour/mDNS ) if checksum offloading is enabled ( this is the default ).

Solution is to disable checksum offloading for your network interface.

To disable checksum offloading type the following command :

ifconfig em0 -rxcsum -txcsum

as root

To disable checksum offloading on the next reboot add -rxcsum -txcsum to the ifconfig_em0 line in /etc/rc.conf

I had the same problem when I updated my server form version 6.3 to 7.0.

You can also update to version 7.1 which doesn’t have this bug