VirtualBox guest network lost after host disconnects

Posted by webjunk on Server Fault See other posts from Server Fault or by webjunk
Published on 2010-02-24T17:42:28Z Indexed on 2010/03/24 23:43 UTC
Read the original article Hit count: 628

Filed under:

virtualbox

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sun

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virtual-machines

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virtualization

I am running VirtualBox both on a Snow Leopard OSX host machine and on a Windows Vista host machine. Whenever my host machines lose internet connection the guest machines seem to lose internet connectivity permanently even after the host connection to the Internet is reestablished.

Resetting guest networking on the guest os, disconnecting cable via host virtualbox settings, and even restarting the guest OS do not help at all. The guest no longer can access the Internet. The only solution is restarting VirtualBox itself while the host is connected to the Internet. This really gets to be a pain when the host goes into sleep mode or I disconnect my laptop at work and then reconnect at home.

Guests are setup with NAT networking. It affects guest machines with both Ubuntu and Windows XP OS'es.

Is this expected behavior? Does anyone know of a fix? Or am I setup incorrectly?

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