To configure the GNS3 with a virtual box client follow these steps-
1.--> Start the gns3 and drag a router from the list and drop it to the working windows.
2.--> Like router also drag a cloud and drop in working window.
3.--> Now Double click on cloud and select a C1 menu on the left hand list .
after that select NIO ethernet tab.Here is the drop down list in which select a virtual
Box host only network. add this and apply the settings.
1.--> Start the gns3 and drag a router from the list and drop it to the working windows.
2.--> Like router also drag a cloud and drop in working window.
3.--> Now Double click on cloud and select a C1 menu on the left hand list .
after that select NIO ethernet tab.Here is the drop down list in which select a virtual
Box host only network. add this and apply the settings.

