> > > > Hi All > > > > > > > > I have (noob) questions about multicast routing under FreeBSD. > > > > > > > > I have FreeBSD box with two (or more) multicast enabled interfaces > > > > (e.x. > > > > vlan750 and vlan299). vlan750 connected to multicast source. > > > > > > > > Then pimd installed and only this two interfaces enabled in pimd > > > > config. > > > > Multicast routes successfully installed by pimd and listed by `netstat > > > > -g -f inet` > > > > > > > > Then client on vlan299 send IGMP-Join (this Join received by FreeBSD on > > > > vlan299) > > > > > > > > The question is: who will forward muilticast from one interface > > > > (vlan750) to another (vlan299)? Is it kernel specific job or I need > > > > additional software? > > > > > Please read the manpage multicast(4) "man 4 multicast", > > > you should need to build a custom kernel with the "options MROUTING" > > > to enable the multicast forwarding in the kernel. > > > > If "netstat -g" shows routes, the kernel must have been built with "options > > MROUTING".
> Indeed. > > > > The kernel does the forwarding, according to those routing tables installed > > by pimd or another multicast routing program. Is it not working? It sounds > > like you are very close. > Could it be sysctl net.inet.ip.forwarding? Does that still apply to mroutes? No, they are separate. The test is just whether MROUTING is enabled, and whether a multicast router like pimd is active. One other thing to check would be "netstat -gs" (multicast stats). > > > > > > Victor Gamov > > > > > -- > > > Rod Grimes > > > rgri...@freebsd.org > > > > Mike > -- > Rod Grimes rgri...@freebsd.org Mike _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
