ZyXEL ES3500-8PD Switch Firmware 4.00(AADF.2)C0

Fixes:
- Power off and power on the device during system reboot process, all port will be inactive in show running.
- PPPOE-IA packet waste too much mbuf header.
- Device crash when add and delete cluster members continuously, or login and logout through SSH, telnet, or FTP interface continuously.
- TCP session with FinWait2 will not timeout.
- Sometimes, timer variables overflow will cause DUT crash.
- DUT can't forward packet if enable cir, but not enable pir.
- DUT will crash after receiving fake dhcp packets if dhcp snooping is enabled.
- DUT always per port duplex link at full-duplex at any port configuration.
- POE function show maxCurrent(mA) in web page (rppoestatus.html).
- Hide Runt & Length error from UI.
- Device crash when backup huge configuration to TFTP server via SSH version 1.
- Mac authentication timeout works incorrectly, when radius-server timeout is less than mac-authentication timeout.
- IP mac move will cause the Ping process fails after do “show ip arp”.
- Memory leak due to send fault trap but not free it.
- Some string commands with blanks did not be quoted in the CLI command “show running-config”. And reload config will cause error.
- When send error packet to DUT, we can not see error count at UI(Web, CLI) after link down this port.
- When uploading firmware using ftp from in-band, and write memory 1 at the same time. Then reboot, DUT configuration will be abnormal.