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Date:      Wed, 10 Jul 2019 13:54:45 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 198406] More than 4 esxi vmxnet3 interfaces causes vlans attached to vmxnet interfaces to stop working
Message-ID:  <bug-198406-227-JuyjQDepWp@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-198406-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-198406-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D198406

--- Comment #10 from Luca Lesinigo <luca@lesinigo.it> ---
I stumbled on this issue as well, so I'll add a few data points, hope it he=
lps.

- host VMware ESXi 6.5 build 13635690 (latest patch as of this writing)
- guest pfSense 2.4.4_p3 (latest patch, based on FreeBSD 11.2-RELEASE-p10
amd64)
- VM: initially version 10 (ESXi 5.5), with four VMXNET3 interfaces

Adding the fifth VMXNET3 interface did not do any harm to the previous ones=
 or
their ordering, but the fifth simply didn't show up, instead getting this in
dmesg:

pci7: <ACPI PCI bus> on pcib4
vmx4: <VMware VMXNET3 Ethernet Adapter> at device 0.0 on pci7
vmx4: Ethernet address: 00:50:56:ad:b8:21
vmx4: detached
pci7: detached

Trying to upgrade VM to latest hardware (version 13, ESXi 6.5) did not chan=
ge
anything.
Using VMXNET2 for the fifth interface (keeping the first four ones as VMXNE=
T3)
did not change anything.

I couldn't try Shawn's workaround and I couldn't use that in production any=
way,
so I resorted to keeping the first four interfaces as VMXNET3 and adding the
fifth as E1000. The system is now working correctly with all five interface=
s.

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