[Xorp-users] Linux 2.6 multicast issue using PIM

[Adam Greenhalgh]

> Aren't the multicast forwarding functions being dealt with by the 
> MROUTING (for FreeBSD) or CONFIG_IP_MROUTE (for Linux) kernel options?
> 
> In my thinking, the PIM XORP daemon then would only need to push out to 
> the kernel the multicast routes it derived from its protocol activity, 
> like BGP does with the unicast routes (via the forwarding engine 
> abstraction). Perhaps PIM needs some information from the kernel about
> multicast traffic coming through an interface (which may change the PIM
> state)?

Perhaps it is worth documenting what is missing in linux to bring its
functionality up to that of freebsd, then push the list to the linux
network developers.

adam