[Bug 165059] vtnet(4): Networking breaks with a router using virtio net driver on KVM host

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 27 Apr 2023 01:01:01 UTC

José Zadir <jzadir@gmail.com> changed:

           What    |Removed                     |Added
                 CC|                            |jzadir@gmail.com

--- Comment #30 from José Zadir <jzadir@gmail.com> ---

I created a FreeBSD 12.3 STABLE virtual router in a Proxmox 7.1 environment and
was encountering this issue with my FreeBSD VM. 
I can confirm that running the following helped to work arround the issue, but
the performance is terrible.

ifconfig vtnet0 -rxcsum
ifconfig vtnet1 -rxcsum

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