****************************** Section A. UPGRADE INSTRUCTION ****************************** For users of Microsoft Windows, please run D255B12.EXE directly. It will search the Router on your LAN and ask you to type system password. Just type in the password and click "Upgrade" button. It takes about 30 seconds to finish the whole procedure. For users of other platforms, please refer Section D for platform-independent upgrade. ****************************** Section B. UPGRADE INFORMATION ****************************** The files will upgrade the firmware of your Cable/DSL Router to version 2.55 build 12. 1. NOTE! DO NOT POWER OFF THE UNIT WHEN THE UNIT IS BEING UPGRADED, OR THE UNIT MAY BE DAMAGED. 2. The configuration will not be changed. You need not configure it again. ************************* Section C. CHANGE HISTORY ************************* *** V2.55b6 TO V2.55b12 1. Solve incompatible issue with ETHome Cable. *** V2.55b2 TO V2.55b6 1. Support the following applications: . ICQ Phone . Net2Phone . MSN Messenger voice communications and file transfer You have to configure the PC to be the DMZ host. 2. Fix a bug of NetMeeting handling. You have to configure the PC to be the DMZ host. 3. Add a firewall feature to block port ranges for DMZ host. Just enable a "Special Application" with null trigger, all ports listed in INCOMING PORTS will be blocked out even DMZ host is enabled. The following setting is recommended when you enable DMZ host: Trigger = [ ], Incoming Ports = [ 1-1023 ] Note: the above setting will not affect the function of Virtual Server. 4. Fix a bug that causes lock-up problems when WAN type is Dynamic IP Address. 5. Fix a security hole that was reported by Fredrik Jacobsson. *** V2.54b4 TO V2.55b2 1. Support absolute timestamp on system log. 2. Fix a bug that causes problem to backup setting. 3. Fix a bug that causes problem when IP address pool of DHCP server was changed and the system wasn't cold rebooted. 4. Support 3Com HomeConnect Dual Link ADSL Modem. 5. Fix a bug that causes reconnection problem for PPP over Ethernet. *** V2.53b6 TO V2.54b4 1. Solve the DHCP client compatibility issue with ISC DHCP server. 2. Change auto-reconnect lag from 10 to 5 seconds 3. Solve the compatibility issue with some PPPoE ISP. 4. Fix a bug of "Renew IP Address Forever" that causes the IP address does not always renew. *** V2.53b1 TO V2.53b6 1. Fix a security hole that was reported by: Matt Bing Anzen Computing, Inc. http://www.anzen.com 2. Solve the connection problem of Adelphia 3. Fix a bug that causes IP address renew problem *** V2.52b6 TO V2.53b1 1. Support configuration backup and restoring. To backup, please click "Backup Setting" button on "Tools" pages. To restore, just *Upgrade* the saved file. 2. Support one non-standard FTP port. Please configure the non-standrad FTP port on "Misc Items" pages. This feature is useful when you have to access an FTP server whose port number is not 21. 3. Increase the number of Virtual Servers to 20. 4. Fix a bug that cause connection problem of NetScreen- Remote. *** V2.52b4 TO V2.52b6 1. Support PPPoE with static IP address 2. Improve multi-session IPsec support *** V2.51b5 TO V2.52b4 1. Improve IPSec pass-through support. No configuration is needed to connect to IPSec VPN server. To host an IPSec VPN server on the private network, configure port 500 as Virtual Server. 2. Support more IPSec sessions (8) and PPTP sessions (8). 3. "Renew IP Forever" will also automatically connect to ISP when the connection is broken. 4. Improve the PPPoE compatiblility. 5. Fix a bug of DHCP client. 6. Add DNS setting for PPPoE *** V2.50b9 TO V2.51b5 1. Add web-based upgrade feature. 2. Add "Reset to Default" button. 3. Support mIRC DCC Chat & Send. 4. Increase the max length of user name to 53 characters for PPPoE and Dial-Up Network. ************************************************ Section D. Platform-independent Firmware Upgrade ************************************************ First, go to the D-Link Web site to download firmware image file, D255B12.BIN. Remember the location you save this file. And then choose one of the following two methods: (firmware version 2.50 does not provide Web upgrade) * METHOD I: WEB UPGRADE 1. Connect the Web user interface and login as system administrator. 2. Click the "Firmware Upgrade" button of "Tools" page. And the "Firmware Upgrade" screen will appear. 3. Enter the location of the previously downloaded file in the text box, or click "Browse" button to search for the file. And then click "Upgrade" button. * METHOD II: FTP UPGRADE Use any FTP client you preferred to upload the downloaded files. The username to login the FTP server is "root" and the password is the same as the system administrator's. The default setting is "admin". Close the FTP session when the files are uploaded. It takes about 30 seconds. After the session is closed, the router will be restarted automatically. Illustration on Linux system: [Linux]$ ftp 192.168.0.1 Connected to 192.168.0.1 220 FTPd 1.6 Name (192.168.0.1:rupert): root 331 Password required Password: 230 User root logged in Remote system type is UNIX. Using binary mode to transfer files. ftp> put D255B12.BIN local: D255B12.BIN remote: D255B12.BIN 200 Port command successful 150 Opening data connection 226 Upgrade complete. 129486 bytes sent in 0.257 secs (4.9e+02 Kbytes/sec) ftp> bye 221 Rebooting