[ovs-discuss] tunnel between open vswitch on xenservers

[Jesse Gross]

2011/10/17 terryxing <xingtianyi at gmail.com>:
> Hi Dear Open Vswitch Developer.
>
> I am having a problem after I establish the tunnel between two xensenvers.
> The GER Tunnel occupies a huge portion of the bandwidth. When I enable the
> netflow on open vswitch, the GRE tunnel has over 95% traffic of the
> xenserver.

Tunnels do not generate traffic on their own, so your must be sending
a large amount of traffic over the tunnel.  Netflow doesn't look into
tunnels, so all encapsulated traffic will look the same to it.