>I've encountered a strange problem with rtadvd when changing routing
>table by hand. It starts to hog all the CPU resources, and complains:
>May 20 22:09:59 sik-gw1 rtadvd[3252]: <nd6_options> 
>unexpected ND option(type 1)
>The machine in question acts as a ipv6 router for our network.

	could you please gather tcpdump output and send me /tmp/foo, uuencoded?
	# tcpdump -i fxp1 -w /tmp/foo -s 2000 ip6

itojun