A new ebtables package is now available for Red Hat Enterprise Linux 5.
Ethernet bridge tables is a firewalling tool to transparently filter network traffic passing a bridge. The filtering possibilities are limited to link layer filtering and some basic filtering on higher network layers.
This package is now available for general use in Red Hat Enterprise Linux 5. (BZ#583146
All users requiring firewalling for Ethernet bridge tables should install this newly released package, which adds this functionality.