Linksys- A division of Cisco Systems, Inc. 

Firmware Date    : March 2,2007
Current Firmware : Version 2.51.1
Product PartNo   : BEFSR81 ver.3

WARNING: This firmware only will upgrade with BEFSR81 ver.3. Older hardware version will not work.

Ver #.		Date		Description
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2.51.3		Mar 2, 2007	1. Fixed UPnP forwarding to invalid IP.
				2. Fixed problem with over 30 charater entry
				3. Fixed problem with special character entry
				4. Fixed Router PPPoE login issue
				5. Updated TZO function and user interface.
				6. Updated support with Vista supported setup wizard.
				7. Fixed FTP loopback & PASV support.

2.51.1		May 5, 2006	1. Modified for better use of hardware memory.
				2. Foxed Qos LED problem when enabled.
				3. Fixed All outward UDP packets being blocked when ipsec pass-through is disabled.
				4. Fixed save settings button that corrupted other web pages in the router.
				5. Fixed problems with some online games
				6. Fixed issues with DynDNS.
				7. Fixed UPnP forwarding issue.

2.50.4		Nov 15, 2004	1. Fixed problem in the setup page
				2. Added Additional QoS functions
				3. Fixed issues found with DHCP, PPPoE, and PPTP connection type.

2.50.2		May 19, 2004	1. Added Filter Ident(port 113) option
				2. Fixed abnormal port scan issue
				3. Fixed an issue saving changes under Linux OS.
				4. Change DDNS User-agent data format
				5. Removed Primary and secondary DNS entry.
				6. Added DNS 1, 2, and 3.
				7. Added WINS support.
				8. Fixed Mutliple PPTP passthrough issue.
				9. Fixed IPSec fragmented packet cannot pass from WAN to LAN.
				10. Added L2TP Internet Connection Type support for Europe.
				11. Added "Filter NAT Redirection" to prevent local client 
				    access local Internet servers.
				12. Fixed MRU not being properly passed to the MTU settings.
				13. Logviewer IP will save the settings after enabling log option.
				14. Modified some typos on the firmware.
				15. Moved the help part on the right side of the user interface.
				16. modified the Save settings and cancel changes button.
				17. Validates entry before applying changes.
				18. Fixed connect on demand not disconnecting properly after timeout.
				19. Fixed QoS option will not save the settings properly.
				20. Fixed MTU not working properly.
				21. Fixed RIP 1 & 2 not working properly

2.45.5		Sep 15, 2003	First release