[Bug 256413] emulators/virtualbox-ose bridged networking emulated adapters poor performance

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From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 04 Jun 2021 11:17:59 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256413

            Bug ID: 256413
           Summary: emulators/virtualbox-ose bridged networking emulated
                    adapters poor performance
           Product: Ports & Packages
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: vbox@FreeBSD.org
          Reporter: rdunkle@smallcatbrain.com
          Assignee: vbox@FreeBSD.org
             Flags: maintainer-feedback?(vbox@FreeBSD.org)

13.0-STABLE FreeBSD 13.0-STABLE #0 stable/13-4a4a17495
virtualbox-ose-6.1.22
I have noticed that using bridged networking with any of the emulated adapters
that network performance is poor. I particularly notice when trying to scp
files to a Linux guests (RHEL 8.3, Alma 8.4), Solaris 9.  I found that
networking is normal if I select virtio network on the guest.  I have switched
physical network cards, and the problem persists.

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