Virtualbox two networks slow

Posted by Petr Marek on Super User See other posts from Super User or by Petr Marek
Published on 2012-03-05T10:11:46Z Indexed on 2012/04/09 5:33 UTC
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networking

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virtualbox

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http

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ruby-on-rails

I am running an Ubuntu server guest on Win 7 guest, and am running a webrick server (RoR dev).

If I have just a host-only network, everything works fine and the browser response is instant. However, if I add a second network (NAT), so that the server can connect to the internet (for various updates etc.), the host-to-guest access gets really slow. I can't use the bridge connection.

I am using the port 3000 (RoR Webrick server) and connecting to the guest via internet browser on this port (eg http://192.168.56.102:3000).

Any idea, what could be causing this? If I ping the IP from host console, I get < 0ms.

Here are the settings (relevant info is in english; Povoleno vše is Everything is allowed):

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