20 nat port redirection limit on FreeBSD 9?

Hi,
Iin FreeBSD 8, there is a bug (?) in ipfw source code, where ipfw has limited allowed port forwarding rules for kernel-nat (namely, as soon as one makes 20 redirections, they won't work any more and one will get an error in dmesg about out-of-memory). To fix this bug one had to edit the source code and change the memory size for redirections. not a big deal, but I don't like to use such semi-ready services in production :) and keep an eye on them after each update. Is it solved in 9? I remember that it was promised to fix in 9.0. and does ipfw support multi-core processors or it like PF single-core restricted?
 
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