There's a pretty ugly IPv4 forwarding regression in Linux 3.6 which hits my router, preventing masquerading from working properly. Patch is queued for 3.6.2.
http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git;a=blob;f=queue-3.6/ipv4-add-a-fib_type-to-fib_info.patch;h=7bbb0cda1d518637adb0ccd50a013e8e45cd01fb;hb=HEAD
