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Release Notes for 2200E_plus

Firmware Version : v2.5.5

Release Date : Jan.29 2006 

Applied Models : Vigor2200E_plus


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Please ensure you download and use the latest router tools when upgrading the firmware.

[Improvement and Correction]
1.added 3322.org ddns.
2.added telnet command "frcdnsmanl". The router uses DNSs given by the PPPoE dial-ups if the DNS settings are not specified by users on the Web UI.
If the DNS settings are specified by the user mannually on WEB UI, by executing the telnet command "srv dhcp frcdnsmanl on", the router then uses the manually-set DNS
3.When VPN set up by PPTP or L2TP or IPSec,in network neighborhood,it can invite others PC directly insead of inviting by PC's ip. 
4.correct ddns issue:Workaround for china ISP in some area will response Advertisement when router ddns client first connect to 80 port.

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    Release Notes for Vigor2200Ep

    Firmware Version    : v2.5.4
    Release Date        : Mar. 01 2006

    Applied Models      : Vigor2200E_plus

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Please ensure you download and use the latest router tools when upgrading the firmware.
 
[Supported Models]
	Vigor2200Ep.

[New Features]
	1.True IP DMZ.
   
[Improvement]
	- MPPE for PPTP Internet Access. 
	- H.323 pass-through.
	- Add "wan DF_check" telnet command.
	- Defense for Bonk Attack.
   
[Corrected Problems]
	- L2TP Control ZLB packet will cause buffer leakage.
    - Dial out PPTP tunnel with always on while disable PPTP VPN service will cause buffer leakage.
    - Interoperability with Cisco PPTP VPN.
    - Large UDP fragment will reboot router.
    - UDP fragment can't send from lan to internet when WAN type is PPPoE.
    - Open port for PPTP using WAN alias ip can't pass through PPTP tunnel.
    - Incoming UDP fragment for DMZ can't pass.
    - Can't route PPTP pass-through packet to the PPTP server behind LAN by static route.
    - UDP fragment will cause buffer leakage.

[Known Issues]
    - Incoming UDP fragment for True_IP_DMZ can't pass.


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