LiuJiusheng wrote: > > What are the kernel versions? > You should update the SUSE kernel to get the result you want. Sorry, I have made a mistake. In version 2.6.23, it seems the kernel will delete all IPv6 address on the interface when it becomes down. - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html