Re: [Qemu-devel] Qemu-KVM VETH

[Stefan Hajnoczi]

On Tue, Sep 24, 2013 at 03:55:04PM -0400, Tim Epkes wrote:
> I just tested the most recent version of qemu (1.4).  I have 2 virtual
> images back to back via a tcp socket.  They can ping eachother, but when I
> down the listener and bring it back up (meaning killing the kvm and
> relaunching) it cannot ping anymore.  The connector never retries to
> connect.  This is the most viable solution for the LLDP and ISIS issues.

If the VDE bridge forwards LLDP then that might be your best bet:
http://vde.sourceforge.net/

The VDE bridge process stays alive.  VMs can come and go.

Or if you're able and willing to modify net/socket.c you could add
reconnect logic.

Stefan