On Mon, May 16, 2011 at 10:12 PM, Stephen Fromm <[email protected]> wrote: > This forces the interface of a newly created interface of a > KVM instance to be the same as that of the bridge. On RHEL5 > and RHEL6, the MTU for the bridge interface will be set to the > lowest MTU of its constituents. If the newly created tap interface > has an MTU of 1500 and the bridge has an MTU of 9000, the bridge > MTU will be lowered to 1500. Inside the instance, you will be > unable to transmit 9k packets out the supposedly jumbo-packet-capable > interface. By setting the MTU of the tap interface to the same > as the bridge before adding it, I can transmit 9k packets from > the instance off the bridge. > ---
Hi, The code itself looks good. I'm just wondering if we're sure it couldn't break any existing setup (if so we need to find a way to make it optional). Does the mtu of the interface "inside" the instance need any changes for this to work? Thanks, Guido
