DGS-1224T Firmware Release Note Firmware: v4.21.02 Hardware: D1/D2 Date: Jan 05, 2010 Problems Resolved: NA Enhancements: 1. Design in the Numonyx flash (M28W160CB70N6) for component availability, since the original flash (JS28F160C3BD70) is being discontinued by Intel. 2. Design in the Zentel SDRAM (A3V64S40ETP-G6) for component availability, since the original SDRAM (A2V64S40CTP-G7PP) is being discontinued by PSC. Note: If the device is with firmware v4.21.02, it is not allowed to downgrade previous firmware version. ================================================================ Firmware: v4.21.01 Hardware: A1 Date: January 8th, 2009 Problems Resolved: 1. Fix the bug that clients connected to switch will not obtain IP from DHCP server when switch configured to DHCP interface 2. Fix the bug that Management VLAN does not work if users create over 32 VLAN groups. 3. Fix the bug that device does not respond PING or Web after applying the VLAN configurations from a Linux station. 4. Fix the following bugs of 802.1X: - Cannot block the port after authentication failure - Unplug the authorized port, it will remain in “Authorized” status Enhancements: NA Note: This firmware v4.21.01 is for v4.20.xx/v4.10.xx upgrading only. If the device is with firmware v4.00.xx, please follow up the “New Firmware Upgrade Procedure “sheet to upgrade the firmware from v4.00.xx to v4.21.01. If the device is with new firmware v4.21.01, it is not allowed to downgrade previous firmware v4.20.xx/v4.10.xx. =============================================================== Firmware: v4.20.12 Hardware: D2/D1 Date: June 26th, 2008 Problems Resolved: 1. Fix the problem of DHCP option field parsing error Enhancements: 1. Design in 2M top parameter boot flash and 4M top/bottom parameter boot flash for component availability, since the original 2M bottom parameter boot flash has shortage problem. If the product was returned to RMA because of flash broken, please check the P/N of flash as below in order to upload corresponding boot code of flash. Flash Type P/N of Flash 2M bottom parameter boot flash 2114528F160B19 2M top parameter boot flash 21145JS28F16000 4M bottom parameter boot flash 21145JS28F32000 4M top parameter boot flash 21145JS28F32001 Note: This firmware v4.20.12 is for v4.20.xx/v4.10.xx upgrading only. If the device is with firmware v4.00.xx, please follow up the “New Firmware Upgrade Procedure “sheet to upgrade the firmware from v4.00.xx to v4.20.12. If the device is with new firmware v4.20.12, it is not allowed to downgrade previous firmware v4.20.xx/v4.10.xx. ============================================================== Firmware: v4.20.11 Hardware: D2/D1 Date: Mar. 3rd, 2008 Problems Resolved: NA Enhancements: 1. Feature enhancements are as follows: - Trusted Host - Cable Diagnostics - Management VLAN - Asymmetric VLAN - DSCP QoS - Power Saving Note: 1. This firmware v4.20.11 is for v4.20.xx/v4.10.xx upgrading only. If the device is with firmware v4.00.xx, please follow up the “New Firmware Upgrade Procedure “sheet to upgrade the firmware from v4.00.xx to v4.20.11. 2. The firmware v4.20.11 is backward compatible with previous hardware version D1, but the power saving function is only applied for hardware version D2 (Green edition). ================================================================ Firmware: v4.10.09 Hardware: D1 Date: Dec. 10th, 2007 Problems Resolved: 1. Fix the bug that switch will not respond Ping or Web request if users enabled SNMP Trap settings after few hours of operation; meanwhile the packet transmit and receive function works normally. 2. Fix the issue when receiving lot of leave messages in IGMP snooping, the switch will not respond Ping or Web request after few hours of operation. 3. Fix the bug of invalid VLAN when setting over 64 groups 4. Fix the invalid IGMP parameter settings, especially for Query Interval, Max Response Time, Robustness Variable and Last Member Query Interval. Enhancements: NA Note: This firmware v4.10.06 is for v4.10.xx upgrading only. If the device is with firmware v4.00.xx, please follow up the “New Firmware Upgrade Procedure “sheet to upgrade the firmware from v4.00.xx to v4.10.02 first. ================================================================ Firmware: v4.10.02 Hardware: D1 Date: Sept. 28, 2006 Problems Resolved: 1. Fix the bug if users enabled both SNMP and STP after few hours of operation that switch will work abnormally with system LED stop blinking or network crash. Enhancements: No Note: 1. The firmware v4.10.02 is not backward compatible with previous hardware v.B1/C1. 2. Please follow up the “Upgrade New Firmware Procedure” sheet to upgrade this new firmware. 3. Once the device is upgraded new firmware, it can't be downgraded to old firmware version. 4. Once the device is upgraded new firmware, all the configuration setting is reset to default. ================================================================ Firmware: v4.00.12 Hardware: D1 Date: May. 24, 2006 Problems Resolved: No Enhancements: 1. Brand new black & silver outlook and new Web GUI 2. Hardware is compliant with RoHS 3. Reduce the quantity of fan from two to one. 4. The maximum length of Jumbo Frame is up to 10240 Bytes 5. Support IGMP snooping 6. Support 802.1x Port-based Access Control 7. Support Broadcast Storm Control 8. Support Static Mac 9. Support Safeguard Engine 10. Support DHCP client for both Web GUI and SmartConsole Utility 11. Can reboot switch via Web GUI 12. Support firmware Backup and Upoad via Web GUI 13. When enabling flow control, there will be a pop up window warning “the QoS may not be able to perform accurate bandwidth allocation”. Note: 5. The firmware v4.00.12 is not backward compatible with previous hardware v.B1/C1. ================================================================ Firmware: v4.00.07 (Only for Europe) Hardware: D1 Date: April. 12, 2006 Problems Resolved: No Enhancements: 1. Hardware is compliant with RoHS. 2. The maximum length of Jumbo Frame is up to 10240 Bytes 3. Support IGMP snooping 4. Support 802.1x Port-based Access Control 5. Support Broadcast Storm Control 6. Support Static Mac 7. Support Safeguard Engine 8. Support DHCP client for both Web GUI and SmartConsole Utility 9. Can reboot switch via Web GUI 10. Support firmware Backup and Restore via Web GUI Note: The firmware v4.00.07 is not backward compatible with previous hardware v.B1/C1. ================================================================= Firmware: v3.00.17 Hardware: C1 Date: August. 29, 2005 Problems Resolved: No Enhancements: 11. Migrate Port-based QoS to 802.1Q QoS 12. Migrate Port-based VLAN to 802.1Q Tag-VLAN 13. Support SNMP v1(Private MIB,RFC1213) 14. Support Jumbo Frame(Maximum length is 9000bytes) 15. Support 802.1D Spanning Tree function ================================================================= Firmware: v2.00.06 Hardware: C1 Date: Sep. 29, 2004 Problems Resolved: No Enhancements: 1. Add "Clear Counters" Button for "Statistics" page. ================================================================= Firmware: v2.00.05 Hardware: C1 Date: Aug. 27, 2004 Problem Resolved: 1. First release version. =================================================================