On Feb 2, 2010, at 5:23 PM, James Carlson wrote: > On Feb 2, 2010, at 6:00 PM, Nicolas Droux <Nicolas.Droux at sun.com> wrote: > >> Yes there is the performance issue, but I'm more concerned that enabling the >> feature by default would cause these GVRP messages to start propagating on >> the networks of our customers who have configured VLANs. >> >> It's fine to use these messages in an environment which is expecting them to >> perform VLAN configuration, such as a cloud-like infrastructure. However >> GVRP messages might not be welcome in other environments where all VLAN >> configuration is done from the switch side, and no such messages are >> expected to be seen on the network. > > They don't propagate. They're in a multicast range that, like STP, isn't > forwarded by bridges. Either the bridge uses them, or doesn't. >
Doesn't 802.1Q::11.2.3.1.1 dictate that they should? "b) In Bridges that do not support the operation of GVRP, all such PDUs shall be submitted to the Forwarding Process." donour