DIR-615B2 release notes history.
====================================================
V 2.27RU Build 26 Beta, 2010/06/17
Checksum:0x042C8074
Problems Resolved:
1. Fixed L2TP can't dial and Ruissa PPPoE readd routing issue.

V 2.27RU Build 25 Beta, 2010/06/15 
Checksum: 0x042C7E47
Problems Resolved:
1. Fixed Russia L2TP still have re add routing issue.

V 2.27RU Build 24 Beta, 2010/06/14 
Checksum: 0x042DC19D 
Problems Resolved:
1. Fixed re add routing rule issue when wan plug in / out.

V 2.27RU Build 23 Beta, 2010/06/03 
Checksum: 0x042CE043
Problems Resolved:
1. Fixed readd Routing issue.

V 2.27RU Build 21 Beta, 2010/06/02
Checksum: 0x042D6B36 
Problems Resolved:
1. Russia PPTP disconnection

V 2.27RU Build 20 Beta, 2010/04/12
Checksum:  0x042CF051
1. ppp with Cisco 1750 authentication fail
2. l2tp hang when l2tp reconnect to server. 
   remove duplicate default route (RU PPP fail, causes lan can not access internet)
3. pptp disconnect (not in high speed, need test)
4. remove PPP server subnet route

V 2.27RU Build 19 Beta, 2009/12/24
Checksum: 0x042C1F64
1. wan pptp/l2tp dialup mode, can not connect to server.

V 2.27RU Build 17 Beta, 2009/12/17
Checksum: 0x042C2BC9
1. wan pptp dialup mode, can not config pptp server.

V 2.27RU Build 16 Beta, 2009/12/16
Checksum: 0x042BDD26
1. fix wan port does not send IGMP report/leave...

V 2.27RU Build 15 Beta, 2009/12/11
Checksum: 0x042AF74F
1. allow 239.x.x.x multicast join/routing for streaming

V 2.27RU Build 14 Beta, 2009/10/15
Checksum: 0x042BC544
1. Fixed bug : multicast streaming to wireless, and unplug wireless card,
	then causes other PCs can not access lan, wan.

V 2.27RU Build 13, 2009/10/13
Checksum:0x042D6C07
1. Fixed bug : GUI error in Tools/Dynamic_DNS.

V 2.27RU Build 12, 2009/09/11
Checksum:0x042CDD53
1. For configuration system change in AP mode, firmware upgrade will auto restore to default.

V 2.27RU Build 11, 2009/09/10
Checksum: 0x042DC652
1. Fixed Dail up fail in Russia PPTP.

V 2.27RU Build 10, 2009/09/10
Checksum: 0x042D3016
1. re-scan connected PCs (arpping) in unicast.
   
V 2.27RU Build 09, 2009/09/10
Checksum:0x042D7241
1. Remove DNS servics in AP mode.
   Remove Mac filter function in AP mode.
   Fixed Configuration file can't restore in AP mode.
   Remove Ping,NTP and email function in AP mode.

V 2.27RU Build 08, 2009/09/04
Checksum:0x042CFE43 
1. Fixed Dual access PPTP mode disconnect issue Increase AP mode.
2. DHCP IP pool range issue
3. Fix Access control with port filter issue: if select "any" can't set prot start to end

V 2.27RU Build 07, 2009/04/13
Checksum:0x042BCEF6 
1. Fixed wizard GUI fail in Russia PPTP mode.

V 2.27RU Build 06, 2009/04/13
Checksum:0x042ACD58
1. Fixed error string in Advance / Network page.

V 2.27RU Build 05, 2009/04/13
Ñhecksum:0x042AF153
1. Fixed GUI fail in Advance/Network page.

V 2.27RU Build 04, 2009/04/08
Checksum:0x042BF2A1
1. Fixed DHCP options 33 fail when Russia dual access connect to server.

V 2.27RU Build 03, 2009/04/08
Checksum:0x042B49E7 
1. Fixed DHCP Client don't send request to DHCP server for option 33 routing information.

V 2.27RU Build 02, 2009/04/08
Checksum:0x042C8752 
1. Fixed enable DHCP option 33 flag for option 33 don't work bug.
2. Fixed wizard bug in Russia PPTP.

V 2.27RU Build 01, 2009/04/07
1. Increase DHCP option 33 in all russia mode.
2. Increase FQDN in PPTP and L2TP mode.
3. Increase Russia L2TP and PPTP in wizard setting.

V 2.26RU Build 12, 2009/03/31
Checksum:0x042EE649 
1. Fixed option 33 parser fail bug.
2. Fixed Data format error in checklist.


V 2.26RU Build 12, 2009/03/31
Checksum:0x042EE649 
1. Fixed option 33 parser fail bug.
2. Fixed Data format error in checklist.

V 2.26RU Build 11, 2009/03/30
Checksum:0x042D2CEB
1. Add Tag 33 feature in Russia Mode 

V 2.26RU Build 10, 2009/03/09
Checksum: 0x042E3523
1. Fixed Russia L2TP FQDN can't auto reconnect.
2. Fixed LAN ICMP Packet can passthrough to WANsite when L2TP dialing.

V 2.26RU Build 09, 2009/03/05
Checksum: 0x042F99AC 
1. Fixed Bug, Sometimes can't auto reconnect when WAN plug on / off. 

V 2.26RU Build 08, 2009/03/03
Checksum: 0x042EFAA4 
1. For DRU request, extern the lt2p server to 36 characters in Wizard.

V 2.26RU Build 07, 2009/03/03
1. Checksum: 0x042DF096
2. Fixed FQDN function fail in Wizard setting.

V 2.26RU Build 06, 2009/02/24
1. Checksum: 0x042D9206 
2. Fixed linux l2tpd IOT issue. 

V 2.26RU Build 05, 2008/12/25
1. Checksum: 0x042EAB38 
2. Fixed D-TRACK bug IGMP fail when switch include IGMP control mechanism.

V 2.26RU Build 04, 2008/12/24
1. Checksum: 0x042E2881
2. Fixed Russia L2TP GUI bug.
   Increase GUI information in Russia PPPoE
   Allow Multicast stream 239.0.0.0 - 239.255.255.255 for D-LINK Russia Request.
   Increase AP mode.

V 2.26RU Build 03, 2008/12/09
1. Checksum: 0x042D7038 
2. Fixed upgrade new version don't restore to default issue.

V 2.26RU Build 02, 2008/12/04
1. Checksum: 0x042E03D9 
2. Fixed Mac clone issue in Russia L2TP. 
   Fixed Dial on demand issue in Russia L2TP.
   Fixed Port Trigger cause connection fail in Russial Mode.
    
V 2.26RU Build 01, 2008/12/03
1. Checksum: 0x042C5ADE
2. Add Russia L2TP feature in this version.
    
V 2.25RU Build 11, 2008/12/02
1. CheckSum:0x042E2B95 
2. Fixed RTSP fail with DIB-120. 

V 2.25RU Build 10, 2008/11/28
1. CheckSum:0x042C81C1
2. Increase FQDN function in L2TP.
   Allow port 557 and 554 when RTSP enable.

V 2.25RU Build 09, 2008/10/22
1. CheckSum:0x042DE774
2. Fixed D-TRACK bug, DHCP option 121 fail in Russia PPTP / PPPoE when 121 length over 127. 

V 2.25RU Build 08, 2008/09/17
1. CheckSum:0x042CE7FD
2. Fixed D-TRACK bug, When PPTP tunnel established then WAN physical site PC ping DUT WAN physical IP Address, don¡¦t get ICMP reply.

V 2.25RU Build 07, 2008/08/28
1. CheckSum:0x042d8c50
2. Fixed Log can't display in Firefox 3.0

V 2.25RU Build 06, 2008/08/22
1. CheckSum:0x042dea20
2. Fixed DNS suffix issue in Russia Dual Access. 

V 2.25RU Build 05, 2008/08/21
1. CheckSum:0X042de106
2. Fixed DNS suffix issue in Russia Dual Access
3. Fixed DHCP lease time cause PPTP connection fail.

V 2.25RU Build 04, 2008/08/01
1. CheckSum: 0X042d9248 
2. Fixed PPTP client connection fail, when DMZ enable and PPTP server in Lansite.

V 2.25RU Build 03, 2008/07/16
1.CheckSum:0X042ce3ef   
2.Fix Russia can not upload files to ftp servers.

V 2.25RU Build 02, 2008/07/08
1.CheckSum:0X042d912d      
2.Change the default settings of QoS. (qos_auto_trans_rate:disable, qos_max_trans_rate:2048 kpbs)

V 2.25RU Build 01, 2008/05/29
1.CheckSum: 0X042e2b8a     
2.Use XML-Agent 1.4
3.Add QoS Engine
4.HNAP 1.0
5.Vista logo DTM1.2

V 2.24RU Build 04, 2008/04/29
1.CheckSum:0X042e0d09 
2.Skip add multicast routing rule (223.0.0.0 - 239.255.255.255) in tag 121 (RFC3442). 

V 2.24RU Build 03, 2008/04/29
1.CheckSum:0X042eb0ae
2.Fixed D-LINK Russia DNS issue in D-TRACK.
3.Fixed D-LINK Russia add routing rule issue. 

V 2.24RU Build 02, 2007/04/22
1.CheckSum:0X042cb3d2
2.Fixed SIP phone fail in Dual access mode, phone at physical network.

V 2.24RU Build 01, 2007/04/22
1.CheckSum: 0X042b5fba 
2.Fixed when setup static DNS IP in Dual access mode can't follow DRU rule.

V 2.23RU Build 22, 2007/04/11
1.CheckSum: 0X042d3692 
2.Fixed PPTP disconnect in dual accesso mode, when DHCP physical site received multicast steam.
3.Fixed FTP passive mode fail, when SPI enable. 
4.Fixed Router will reboot, when LAN device name have illegal character. 

V 2.23RU Build 21, 2007/04/07
1.CheckSum: 0X042cdc70 
2.Increase Russia Dual access DNS query rule.
3.Increase RFC 3442 in Russia Dual Access.
4.Fixed Russia DNS reley bug.
5.Fixed Russia DHCP relay bug.
6.Fixed Routing Rule can't add in special rule.
7.Fixed NAT careate throunds connection node when UDP packet attacking.
8.Fixed DRU Multicast steam issue.
9.Increase Chksum information in chklst page for D-LINK spec.
10.Increase version page for D-LINK spec.

V 2.23RU Build 20, 2007/03/06
1.Fixed TSD report issue, PPTP passhtrough will disconnect when PPTP client disocnnect or connection and passthrough server at WAN-Physical side.

V 2.23RU Build 19, 2007/03/05
1.Fixed TSD report issue, when PPTP client and Passthrough connection at same time, disconnect PPTP client will cause PPTP passthrough disconect too.

V 2.23RU Build 18, 2007/03/03
1.Fixed DRU report PPTP passthrough fail when PPTP server 1 and server 2 at WAN network segment.
2.Increass RFC3442 feature in WANsite.

V 2.23RU Build 17, 2007/02/26
1.Fixed TSD bug MTU don't match between kernel and UI. (Kernel is 1454 and UI is 1492). 

V 2.23RU Build 16, 2007/02/18
1.Fixed PPTP passthrough fail in Russia PPTP.
  Fixed DNS server provide several IP cause Russia PPTP connect fail.

V 2.23RU Build 15, 2007/02/04
1.Fixed WAN-PHY Virtual Server rule fail in Russia PPPoE, when system add rule and not reboot.
  Increase Remote Management support in Russia Dual Access Mode.
  Allow dest ip and gateway at same network segment (D-LINK Request).

V 2.23RU Build 14, 2007/01/31
1.Fixed NAT crash bug when media steaming continue play over 5 mins.

V 2.23RU Build 13, 2007/01/30
1.Fixed bug which is media server in VPNsite can't play and ppp connection fail. 

V 2.23RU Build 11, 2007/01/28
1.Auto add routing rule when PPTP server ip address is different WANsite IP address.

V 2.23RU Build 10, 2007/01/25
1.Fixed IGMP issues in Dual access mode.

V 2.23RU Build 09, 2007/01/23
1.Allow Static routing setting netmask is 255.255.255.255 in Dual access mode.
  Fixed PPTP passthough seting cause PPTP connect fail in Dual Nat.

V 2.23RU Build 08, 2007/01/22
1.Fixed router crash when pptp passthough disable and connect to pptp server in Russia Dual access mode.

V 2.23RU Build 07, 2007/01/21
1.Version information type error, correct this setting in project seeting.

V 2.23RU Build 06, 2007/01/18
1.Fixed PPTP server IP UI input fail, when Russia PPTP change to PPTP. 
  Automatic create static routing rule when DNS server is different with WAN network segment. (D-LINK request).
  Fixed pptp passthrough fail in dual access mode.
  Allow entry netmask is 255.255.255.255 in routing rule

V 2.23RU Build 05, 2007/01/16
1.Fixed IGMP fail in Dual access mode.
  Fixed PPTP connection issues in Dual access mode.


V 2.23RU, build 04, 2008/01/10
1.Fix : Hans requests to disable it
   (To make DWA-110(G mode one Antenna card) having good performance. Right now for 2 Antenna platform.)


V 2.23RU, build 03, 2008/01/10
1.Fixed first DNS query can't reconnect to PPTP server in Dual Access
2.Forget add version and build number, and readd it.
3.Increase Visual Server services in Russia Dual Access
4.Increase PPTP name support in Russia PPTP
5.Remove BigPond from wan page, wan wizard page and help web page.


V 2.23RU, build 02, 2007/11/28
1.Fix when WAN used Russia PPTP (static) connected, at status push disconnect, can't get DNS after reconnect.
      when setting WAN PHYSICAL SETTING (static IP mode) DNS information.
2.Fix when WAN used Russia PPTP (dynamic) connected, at status push disconnect, get wrong DNS after reconnect. 
      when setting WAN PHYSICAL SETTING (static IP mode) DNS information.
3.Fix when WAN used Russia pppoe (dynamic) connected, get wrong DNS.
      when setting WAN PHYSICAL SETTING (static IP mode) DNS information, dial-up PPPOE get wrong DNS.
4.Fix when WAN used Russia pppoe (dynamic) connected, DUT all the time reboot after set WAN PHYSICAL SETTING static IP mode (IP information used default value).

***
V 2.23RU, build 01, 2007/11/23
1.Fix when WAN used Russia PPTP (static) connected, at status push disconnect, can't get DNS after reconnect. 
2.Fix when WAN used Russia PPTP (dynamic) connected, at status push disconnect, can't get wrong DNS after reconnect.
3.Fix when WAN used Russia pppoe (dynamic) connected, DUT all the time reboot after modify WAN PHYSICAL SETTING.
4.Fix when WAN used Russia pppoe (dynamic) connected, get wrong DNS.

***
V 2.23RU, build 00, 2007/11/22
1.enable Russia PPPoE and Russia PPTP