> But the definition of threshhold TTL says that a
>incoming multicast packets will be forwarded out of an
>interface only if it has the TTL value >= threshold
>TTL of that interface. Am I right?
No. Zero is special, and means do not forward. If you have
the kernel source, check out the ip_mdq() function in
/sys/netinet/ip_mroute.c; the check is:
if ((rt->mfc_ttls[vifi] > 0) &&
(ip->ip_ttl > rt->mfc_ttls[vifi])) {
(the threshold > 0 and the TTL > the threshold -- note, >, not >=.)
Bill
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-net" in the body of the message
