Multicast problems [PATCH]

[Bruce M Simpson]

Bruce M. Simpson wrote:
>
> Here is a patch which explicitly looks for an interface supporting 
> multicast, if no default route exists. The KASSERT should only be 
> triggered if the routing trie code is broken; it is still possible for 
> the last-resort interface lookup to fail if no loopback interface 
> exists, if none of the interfaces have IPv4 addresses, or if no 
> interfaces in the system support multicast.

If this patch solves your problems without resorting to adding a 224/4 
route then I shall commit it to -CURRENT. It is not relevant to 
RELENG_6. Please let me know...

regards,
BMS