On Fri, Jan 21, 2005 at 05:41:57PM -0800, Grace Lin wrote: > I am running FBSD4.5 and try to enable multicast router but couldn't make it. Can any body help? Try updating your sources to at least 4.10 as older versions are no longer supported. The ip_mroute module should build and load cleanly into the kernel without any changes to environment variables. BMS