[libvirt-users] inquiry about differences between the tap and the vnet in the virt-manager

[Michal Privoznik]

On 19.04.2015 04:02, wh.h at foxmail.com wrote:
> inquiry about differences between the tap and the vnet in the virt-manager
> 

> when I establish the network by the first method: create a bridge with the help of Linux commad: brctl, tap0 device is created in the host and assigned to the guest OS. tap0 device gets a name “eth0” in the guest OS.
> I use “ping ” command to test network state . I get the following result :
> concept explanation : 
> local host: the OS where the guest OS is running 
> remote host: another server which is connected to the local host using ethernet network .
> and this is my results:
> ping local host from guest OS is OK, I get reply from local host;
> ping remote host from local host is OK, I get reply from remote host;
> ping remote host from guest OS is not OK, I don’t get any reply from remote host; and this is my question.

Do you plug the tap0 into the bridge? This could be the missing piece.

Michal