On Friday 2011-11-25 15:04, Hans Schillström wrote: > >>On Friday 2011-11-25 10:36, Hans Schillstrom wrote: >> >>>+Parameters: >>>+For all masks default is all "1:s", to disable a field use mask 0 >>>+For IPv6 it's just the last 32 bits that is included in the hash >> >>Why limit IPv6 to 32? > >Performance, and the gain of adding another 192 bits to jhash ain't much. >However there is some cases when it hurts, i.e. when you can't mask of an subnet >I'm not sure it it's a problem or not... I was thinking about the case where two particular hosts have the same trailing 32 bits in their source address. For example, assuming IPv6 starts to take a stronghold in the real world and home customers start assigning <myprefix>::1 to the little home server (i.e. the PPP endpoint) of theirs for remote login. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
