Hi,
Well I tried a packet capture running wireshark, during executing a ping on the guest. The good news is that the results are now at least consistent: both the ping and the host commands fail to resolve the hostname to an ip address. The bad new is, that with virtualbox 5, when I try to start a capture on the host interface when I start a CentOS guest, the capture stops and I receive this error message from wireshark: "The network adapter on which the capture was being done is no longer running; the capture has stopped." But perhaps I should start a different thread for that. The good news are the captures (included in the attachment) from virtualbox 4 (from running VBoxManage modifyvm "guestname" --nictrace1 on), and a simultaneous capture of the host nic. Even though the hostname lookups for www.google.com dont seem to show up in the host capture, even though they are in the virtualbox capture, which seems odd. - Maarten
virtualboxcapture.tar.xz
Description: Binary data
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