DES-3526 Firmware Release Note 
Firmware: 3.01.B23
Hardware: A2
Date: Jan. 28, 2005

Problems Resolved:
1. Clock time delays around 13 minutes a day.
2. From SNMP, the ACL mask containing Source IP Mask (or Dest. IP mask) cannot be created.
3 MSTP was found the issue while trying to implement 2 (or more) Spanning Trees on 2 (or more)physical links separately for load sharing and fault tolerance, only 1 physical link was active.

Enhancements:
1. Enlarge IGMP Snooping group from 64 to 128.
2. Per-port BPDU packet filtering.
3. “Autoconfig” function is added:
When autoconfig is enabled, the switch will be given a TFTP server address. The configuration file will be loaded upon booting up.

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DES-3526 runtime code release history (updated: Dec.17, 2004) 
Firmware 3.00.B15

Bug fixed.
1. Cannot delete static fdb from telnet/cli (web OK).
2. Cannot use WEB login after operating a period of time.
3. MAC-based 802.1X WEB display of authenticated MAC error.
4. Security Risk on Member switch with SIM
5. Cannot add/remove member ports from default VLAN using MIB.
6. Entering debug mode 802.1x. 
7. Improve SSL performance.
8. Exception dump when enable AsymVlan from Web (DUSA)
9.When upgraded from 1.xx, device (about 5% prob.) may dump exception.
10. Cannot configure ACL from web when select type=IP.
11. Rapid STP does not work, it acts like STP.

New features:
1. Enlarge static VLAN to 255.
2. Add show config only command.
3. Catagorize 3 level of logs, and can send syslog & trap based on configured levels of events. (The main reason is to save flash and bandwidth)
4. Enlarge static ARP to 255
5. Enlarge ACL entry to 800
6. DHCP Boot
7. SSL Preload

Notice: Because of ACL format change in R3 (per-port ACL), when upgrading from R2 firmware, ACL configuration will lose, and need to re-configure. 

DES-3526 runtime code release history  (updated: Oct. 11, 2004) 
Firmware 2.00.B19

Bug fixed.
1. Fixed SIM gets wrong copyright.
2. Fixed web gets wrong front panel.
3. Fixed port description "random characters" problem, 
   which may result in configuration lost problem after reboot. 
4. Fixed the "Login Method List setting" in "Access Authentication Settings" from WebUI problem. 
   CLI/Telnet has no such problem. 

New features:
None

DES-3526 runtime code release history  (updated: Aug. 30, 2004) 
Firmware 2.00.B15

Bug fixed.
1. Fix system hang issue while changing 1x mode from PAP to EAP.
2. Fix DES-3526 packet loss when disable/enable no-connection port
3. Fix Port STP configurations lose after load default and save root.
   a. Do not retrieve hello time parameter in 1d mode
   b. Cost would be changed as auto while STP version changed.
4. IGMP snooping cannot disable via CLI command,
5. STP configurations instance lose after system reboot
6. Fix Giga port cannot forwarding frames in the first link up after boot up. 
7. Fix stop forwarding packet after a period of running problem.
(for 6, 7, re-pluging any port can recover the symptom)
8. Fix web lacp page error message and incorrect lacp information 

New features:
None

DES-3526 runtime code release history  (updated: Jun. 9, 2004) 
Firmware 2.00.B08

Bug fixed.
1. Fixed Device hangup when port 80 Web attack.

New features:
1. Support SSH2
2. Support Radius Authentication on Switch Admin access
3. Support SSL.
4. Support 802.1s (MSTP, Multiple Spanning Tree Protocol)

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DES-3526 runtime code release history  (updated: Apr.6, 2004) 
Firmware 1.00.B17

Bug fixed.
1. SIM member device firmware download problem at 32 member environment.
2. SIM 32 members re-config problem
3. SIM device hanging up problem.


First Release
DES-3526 runtime code release history  (updated: Mar., 2004) 
Firmware 1.00.B15

New features:
First release version.  For the features, please refer to the datasheet.

Bug fixed.
N/A
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