(Looking at the capacity, I know 32M divided into 3 packages and uploaded the Netscreen Firewall Complete Configuration Manual 6.0 Chinese Version Volume 1: Overview Volume 2: Fundamentals Volume 3: Management Volume 4: Attack Detection and Defense Mechanism Volume 5: Virtual Private Networks Volume 6: Voice over IP Protocol Volume 7: Routing Volume 8: Address Translation Volume 9: User Care Volume 10: Virtual Systems Volume 11: High Availability Volume 12: WANDSL Dial-Up and Wireless 10th Volume 3: General Packet Radio Service Volume 14: IPV6 Dual-Stack System Architecture)