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Date:      Sun, 9 Jul 2017 02:35:26 +0200
From:      Sydney Meyer <meyer.sydney@googlemail.com>
To:        freebsd-stable@freebsd.org
Subject:   Re: VirtualBox outbound networking
Message-ID:  <57DAD930-7160-4F8B-AA68-CFD34E5A50F5@googlemail.com>
In-Reply-To: <201707090012.v690CSwI055681@mail.karels.net>
References:  <201707090012.v690CSwI055681@mail.karels.net>

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Yes, same here. Bridging is working as it should, including ICMP of course.

On Windows, i wouldn't even be able to manually add a route, so that one is out for me too:)

I found several posts about NAT-related problems with VirtualBox. I read vb is using "slirp" for it's NAT implementation, because of portability, which appears to do crazy things to ICMP messages, but, obviously, i dont know this for sure.

But it doesn't appear to be a problem with FreeBSD or the RC's itself, so i will ask around some VirtualBox users or @freebsd-virtualization..

> On 9. Jul 2017, at 02:12, Mike Karels <mike@karels.net> wrote:
> 
>> Mea Cupla, i guess.. I can confirm that both, NAT and bridged networking, are indeed working fine on 11.1-RC1 too. The "problem" appears to be "only" with ICMP and the way VirtualBox implements NAT, i.e. TCP and UDP work fine. A post from last month stated bridged networking on 11.1 BETA1 onwards wouldn't work either, that i can confirm is working fine, at least here and as far as i can see.
> 
>> Mike, can your vbox guests send ICMP messages beyond their gateway on 10.3 or is this known behaviour?
> 
> Yes, I can ping beyond the default gateway.  But I realized after I set
> the last response, I am using bridging and not NAT.  Don't want to use
> Windows routing :-)!
> 
> 		Mike




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