Download for TL-ER6020 V2

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V2

>How to find the hardware version on a TP-Link device

IMPORTANT: Model and hardware version availability varies by region. Please refer to your TP-Link regional website to determine product availability.
Product Overview
Manual

IPSec VPN Client Software

IPSec VPN Client

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Published Date: 2017-08-11 Language: English File Size: 5.81 MB
Operating System: Win2000/XP/2003/Vista/7

FAQs

Firmware

A firmware update can resolve issues that the previous firmware version may have and improve its current performance.

To Upgrade

IMPORTANT: To prevent upgrade failures, please read the following before proceeding with the upgrade process

  • Please upgrade firmware from the local TP-Link official website of the purchase location for your TP-Link device, otherwise it will be against the warranty. Please click here to change site if necessary.
  • Please verify the hardware version of your device for the firmware version. Wrong firmware upgrade may damage your device and void the warranty. (Normally V1.x=V1)
    How to find the hardware version on a TP-Link device
  • Do NOT turn off the power during the upgrade process, as it may cause permanent damage to the product.
  • To avoid wireless disconnect issue during firmware upgrade process, it's recommended to upload firmware with wired connection unless there is no LAN/Ethernet port on your TP-Link device.
  • It's recommended that users stop all Internet applications on the computer, or simply disconnect Internet line from the device before the upgrade.
  • Use decompression software such as WinZIP or WinRAR to extract the file you download before the upgrade.

TL-ER6020(UN)_V2_ 20200623

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Published Date: 2020-08-24 Language: English File Size: 11.74 MB

New Feature/Enhancement:

1.  Upgrade webserver's HTTPS encryption suite TLS version to 1.2.

2.  Add support DHCP Option 66, Option 150, Option 159, Option 160, Option 176 and Option 242.

3.  One-to-One NAT supports the loopback function of the WAN port.

4.  Add HTTPS web server enable/disable button.

5.  Support to obtain SNMP information through WAN port and VPN connection.

6.  Support forward IPv4 Local Scope IP address as 239.255.0.0/16.

7.  Optimize the mechanism of the session limit function.

8.  Firewall optimization for PCI DSS vulnerability scanning.

9.  Optimized the MAC address (WAN/LAN port) modification mechanism. If the MAC address in the backup file is not modified, the device will keep the default MAC address after restoring the backup file.

10.  Optimize the DHCP Server mechanism, LAN devices can obtain IP addresses faster.

11.  UPnP supports adding random codes to URL to prevent DNS Rebinding attacks.

12.  Daylight saving time is adjusted from GMT to UTC.

13.  Security vulnerability optimization.

 

Bug Fixed:

1.  Fix the bug that URL Filtering is unsuccessful when accessing a website subdirectory with “/”.

2.  Fix the bug that the backup WAN port will not restore PPPoE dialing automatically when deleting the Link Backup entries.

3.  Fix the bug that LAN PC may not be able to upload data to an external server.

4.  Fix the bug that the UPnP NewExternalIPAddress interface cannot correctly obtain the IP address of WAN port.

5.  Fix the bug that VPN cannot be used after creating multiple IPSec VPN entries.

6.  Fix the bug that the VPN cannot be used normally after opening the DMZ function.

7.  Fix the bug that the VPN clients at both ends of the IPSec VPN may not be able to communicate with each other after restarting the router or modifying the WAN mode.

8. Fix the bug that two clients located behind the same NAT device cannot build L2TP over IPsec VPN with ER 6120v2 at the same time.

Notes:

1. For TL-ER6020 (UN) 2.0 only.

2. Your device's configuration won't be lost after upgrading.

TL-ER6020(UN)_V2_20180702

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Published Date: 2018-08-10 Language: English File Size: 11.70 MB

Modifications and Bug Fixes:
1. Fix DHCP server will hang when modifying it after assigning IP to clients with the same name;
2. Enhance the Firewall module for VPN;
3. Fix bugs that it cannot establish L2TP over IPsec VPN connection when NAT exists;
4. Enhanced contents of System Log module;
5. Improve Dynamic DNS could create multi domain entries for one account;
6. Enhance the stability and speed up the dial process of WAN;
7. Add multi WANs selection for NAT/Policy Routing/primary WAN of Link Backup;
8. Add Only, Priority two modes for Policy Routing feature;
9. Add two sub-modes of Failover mode for Link Backup feature;
10. IP-MAC Binding entries will no longer take effect when ARP Spoofing Defense is disabled. 
Notes:
For TL-ER6020 V2.0

TL-ER6020(UN)_V2_20180211

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Published Date: 2018-02-28 Language: English File Size: 11.67 MB

Modifications and Bug Fixes
1. Fix the problem of static routing can't work via LAN interface.
2. Fix the DNS or routing table problem when using the Link Backup.
3. Fix the problem of cannot open the Web interface of the other side via IPSec VPN tunnel.
4. Fix the problem of L2TP over IPSec VPN might be down when transmitting large files via VPN tunnel.
5. Fix the problem of DHCP Server might crash when there are some clients with same in the LAN.
6. Fix the problem of WAN1 traffic statistics can't work when the IPTV enabled.
7. Enhanced the stability of the router.
8. Reduce the time from WAN interface get IP to get to the internet.
9. Add the function of importing all at the page of ARP scaning.

To Use Third Party Firmware In TP-Link Products

Some official firmware of TP-Link products can be replaced by the third party firmware such as DD-WRT. TP-Link is not obligated to provide any maintenance or support for it, and does not guarantee the performance and stability of third party firmware. Damage to the product as a result of using third party firmware will void the product's warranty.

Open Source Code For Programmers (GPL)

Please note: The products of TP-Link partly contain software code developed by third parties, including software code subject to the GNU General Public Licence (“GPL“), Version 1/Version 2/Version 3 or GNU Lesser General Public License ("LGPL"). You may use the respective software condition to following the GPL licence terms.

You can review, print and download the respective GPL licence terms here. You receive the GPL source codes of the respective software used in TP-Link products for direct download and further information, including a list of TP-Link software that contain GPL software code under GPL Code Center.

The respective programs are distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the respective GNU General Public License for more details.

GPL Code

Emulators

Firmware Version
Working Mode
Language
171222
-
English

Note:

1. This Emulator is a virtual web GUI where you can program your TP-Link product firmware. For details about an individual product’s features and specifications please use the search facility and go to the product page.

2. Please check the firmware version corresponds to the version shown on the Emulator interface. Each firmware version has its own GUI and functionality.

3. Please note that not all firmware versions are represented on the Emulator.

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