DGS-1248T Firmware Release Note  
Firmware: v3.10.10
Hardware: B2/B1
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: The new firmware v3.10.10 is backward compatible with previous hardware version B1, but the power saving function is only applied for hardware version B2 (Green edition).

================================================================
Firmware: v3.00.11
Hardware: B1
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
================================================================
Firmware: v3.00.07
Hardware: B1
Date: February 15, 2007

Problems Resolved:
No

Enhancements:
1. Enable the "Flow Control" option in GUI making it configurable to the user.

================================================================
Firmware: v3.00.06
Hardware: B1
Date: Sep. 14, 2006

Problems Resolved:
No

Enhancements:
1. Brand new black & silver outlook and new Web GUI
2. Hardware is compliant with RoHS
3. The maximum length of Jumbo Frame is up to 9220 Bytes
4. Support IGMP snooping
5. Support 802.1x Port-based Access Control
6. Support Broadcast Storm Control
7. Support Static Mac
8. Support Safeguard Engine 
9. Support DHCP client for both Web GUI and SmartConsole Utility
10. Can reboot switch via Web GUI
11. Support firmware Backup and Upload via Web GUI

Note: 
1. The firmware v3.00.06 is not backward compatible with previous hardware v.Ax.

=================================================================
Firmware: v2.01.03
Hardware: A2/A1
Date: May 24, 2006

Problems Resolved:
No

Enhancements:
1. Hardware is compliant with RoHS.
2. Software features are unchanged.

Note: 
1. New firmware is backward compatible with previous hardware.
2. If users upgrade New firmware to device, the device cannot be downgraded to old firmware
===============================================================
Firmware: v2.00.15
Hardware: A1
Date: August 29, 2005

Problems Resolved:
No

Enhancements:
1. Support SNMP v1(Private MIB,RFC1213) 
2. Support 802.1D Spanning Tree
3. Migrate Port-based QoS to 802.1P QoS
4. Support Jumbo Frame (Maximum length is 9000 bytes)
=================================================================
Firmware: v1.00.00
Hardware: A1
Date: Oct. 20, 2004

Problems Resolved:
1.First release

Enhancements:
No