TP-Link SafeStream TL-ER6020 User manual

TL-ER6020
SafeStreamTM Gigabit Dual-WAN VPN Router
Rev: 1.0.0
1910010695

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COPYRIGHT & TRADEMARKS
Specifications are subject to change without notice. is a registered trademark of
TP-LINK TECHNOLOGIES CO., LTD. Other brands and product names are trademarks of their
respective holders.
No part of the specifications may be reproduced in any form or by any means or used to make any
derivative such as translation, transformation, or adaptation without permission from TP-LINK
TECHNOLOGIES CO., LTD. Copyright © 2012 TP-LINK TECHNOLOGIES CO., LTD. All rights
reserved.
http://www.tp-link.com
FCC STATEMENT
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which case
the user will be required to correct the interference at his own expense.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions:
1) This device may not cause harmful interference.
2) This device must accept any interference received, including interference that may cause
undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance could
void the user’s authority to operate the equipment.
CE Mark Warning
This is a class A product. In a domestic environment, this product may cause radio interference, in
which case the user may be required to take adequate measures.

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CONTENTS
Package Contents..................................................................................................................1
Chapter 1 About this Guide ...................................................................................................2
1.1 Intended Readers ..................................................................................................................2
1.2 Conventions ...........................................................................................................................2
1.3 Overview of this Guide...........................................................................................................2
Chapter 2 Introduction ..........................................................................................................4
2.1 Overview of the Router ..........................................................................................................4
2.2 Features.................................................................................................................................5
2.3 Appearance............................................................................................................................6
2.3.1 Front Panel ................................................................................................................6
2.3.2 Rear Panel.................................................................................................................8
Chapter 3 Configuration ........................................................................................................9
3.1 Network..................................................................................................................................9
3.1.1 Status.........................................................................................................................9
3.1.2 System Mode.............................................................................................................9
3.1.3 WAN ........................................................................................................................12
3.1.4 LAN..........................................................................................................................29
3.1.5 DMZ.........................................................................................................................32
3.1.6 MAC Address...........................................................................................................34
3.1.7 Switch ......................................................................................................................36
3.2 User Group ..........................................................................................................................42
3.2.1 Group.......................................................................................................................43
3.2.2 User .........................................................................................................................43
3.2.3 View.........................................................................................................................44
3.3 Advanced .............................................................................................................................45
3.3.1 NAT..........................................................................................................................45
3.3.2 Traffic Control ..........................................................................................................54

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3.3.3 Session Limit ...........................................................................................................58
3.3.4 Load Balance...........................................................................................................59
3.3.5 Routing ....................................................................................................................64
3.4 Firewall.................................................................................................................................69
3.4.1 Anti ARP Spoofing ...................................................................................................69
3.4.2 Attack Defense ........................................................................................................72
3.4.3 MAC Filtering ...........................................................................................................74
3.4.4 Access Control.........................................................................................................75
3.4.5 App Control..............................................................................................................81
3.5 VPN......................................................................................................................................83
3.5.1 IKE...........................................................................................................................83
3.5.2 IPsec........................................................................................................................87
3.5.3 L2TP/PPTP..............................................................................................................94
3.6 Services ...............................................................................................................................98
3.6.1 PPPoE Server..........................................................................................................98
3.6.2 E-Bulletin ...............................................................................................................104
3.6.3 Dynamic DNS ........................................................................................................106
3.6.4 UPnP .....................................................................................................................112
3.7 Maintenance ......................................................................................................................113
3.7.1 Admin Setup ..........................................................................................................113
3.7.2 Management..........................................................................................................116
3.7.3 License ..................................................................................................................118
3.7.4 Statistics.................................................................................................................119
3.7.5 Diagnostics ............................................................................................................121
3.7.6 Time.......................................................................................................................124
3.7.7 Logs.......................................................................................................................125
Chapter 4 Application........................................................................................................127
4.1 Network Requirements.......................................................................................................127

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4.2 Network Topology...............................................................................................................128
4.3 Configurations....................................................................................................................128
4.3.1 Internet Setting ......................................................................................................128
4.3.2 VPN Setting ...........................................................................................................130
4.3.3 Network Management............................................................................................136
4.3.4 Network Security....................................................................................................140
Chapter 5 CLI....................................................................................................................146
5.1 Configuration......................................................................................................................146
5.2 Interface Mode ...................................................................................................................149
5.3 Online Help ........................................................................................................................150
5.4 Command Introduction.......................................................................................................152
5.4.1 ip............................................................................................................................152
5.4.2 ip-mac....................................................................................................................152
5.4.3 sys .........................................................................................................................153
5.4.4 user........................................................................................................................154
5.4.5 history ....................................................................................................................155
5.4.6 exit .........................................................................................................................156
Appendix A Hardware Specifications ..................................................................................157
Appendix B FAQ ................................................................................................................158
Appendix C Glossary .........................................................................................................160

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Package Contents
The following items should be found in your package:
One TL-ER6020 Router
One Power Cord
One Console Cable
Two mounting brackets and other fittings
Installation Guide
Resource CD
Note:
Make sure that the package contains the above items. If any of the listed items is damaged or missing,
please contact with your distributor.

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Chapter 1 About this Guide
This User Guide contains information for setup and management of TL-ER6020 Router. Please read
this guide carefully before operation.
1.1 Intended Readers
This Guide is intended for Network Engineer and Network Administrator.
1.2 Conventions
In this Guide the following conventions are used:
The Router or TL-ER6020 mentioned in this Guide stands for TL-ER6020 SafeStreamTM Gigabit
Dual-WAN VPN Router without any explanation.
Menu Name→Submenu Name→Tab page indicates the menu structure. Advanced→NAT
→Basic NAT means the Basic NAT page under the NAT menu option that is located under the
Advanced menu.
Bold font indicates a toolbar icon, menu or menu item.
<Font> indicate a button.
Symbols in this Guide:
Symbol Description
Note:
Ignoring this type of note might result in a malfunction or damage to the
device.
Tips:
This format indicates important information that helps you make better use of
your device.
1.3 Overview of this Guide
Chapter 1 About This Guide Introduces the guide structure and conventions.
Chapter 2 Introduction Introduces the features and appearance of TL-ER6020 router.
Chapter 3 Configurations Introduces how to configure the Router via Web management page.
Chapter 4 Application Introduces the practical application of the Router on the enterprise
network.
Chapter5 CLI Introduces how to log in and set up the Router using CLI commands by
console port.

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Appendix A Hardware
Specifications
Lists the hardware specifications of this Router.
Appendix B FAQ Provides the possible solutions to the problems that may occur during
the installation and operation of the router.
Appendix C Glossary Lists the glossary used in this guide.

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Chapter 2 Introduction
Thanks for choosing the SafeStreamTM Gigabit Dual-WAN VPN Router TL-ER6020.
2.1 Overview of the Router
The SafeStreamTM Gigabit Dual-WAN VPN Router TL-ER6020 from TP-LINK possesses excellent
data processing capability and multiple powerful functions including IPsec/PPTP/L2TP VPN, Load
Balance, Access Control, Bandwidth Control, Session Limit, IM/P2P Blocking, PPPoE Server and so
on, which consumedly meet the needs of small and medium enterprise, hotels and communities with
volumes of users demanding a efficient and easy-to-manage network with high security.
Powerful Data Processing Capability
+ Built-in ARM 32 network processor and 128MB DDRII high-speed RAM allows the stability and
reliability for operation.
Virtual Private Network (VPN)
+ Providing comprehensive IPsec VPN with DES/3DES/AES encryptions, MD5/SHA1
identifications and automatically/manually IKE Pre-Share Key exchanges.
+ Supporting PPTP/L2TP VPN Server mode to allow the staff on business or remote branch office
to access the headquarter network.
Online Behavior Management
+ Complete Functions of Access Rules can allow managers to select the network service levels to
block or allow applications of FTP downloading, Email, Web browsing and so on.
+ Deploying One-Click restricting of IM/P2P applications to save time & energy while reserving
exceptional groups for certain users.
+ Supporting URL Filtering to prevent potential hazards from visiting the malicious Web sites.
Powerful Firewall
+ Supporting One-Click IP-MAC Binding to avoid ARP spoofing and guarantee a network without
stagnation.
+ Featured Attack Defense to protect the network from a variety of flood attack and packet
anomaly attack.
+ Possessing MAC Filtering function to block the access of illegal hosts.
Flexible Traffic Control
+ Featured Bandwidth Control with flexible bandwidth management to automatically control the
bandwidth of the host in bi-direction to avoid bandwidth over occupation, as well as optimize
bandwidth usage.
+ Supporting Session Limit to avoid the complaint of a few people to force whole sessions.

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Dual-WAN Ports
+ Providing two 10/100/1000M WAN ports for users to connect two Internet lines for bandwidth
expansion.
+ Supporting multiple Load Balance modes, including Bandwidth Based Balance Routing,
Application Optimized Routing, and Policy Routing to optimize bandwidth usage.
+ Featured Link Backup to switch all the new sessions from dropped line automatically to another
for keeping an always on-line network.
Easy-to-use
+ Providing easy-to-use GUI with clear configuration steps and detailed help information for the
users to configure the Router simply.
+ Helping administrators to monitor the whole network status and take actions to malfunctions
according to the recorded log information.
+ Supporting remote management to manage the Router from remote places.
2.2 Features
Hardware
2 gigabit WAN ports, 2 gigabit LAN ports, 1 gigabit LAN/DMZ port and 1 Console port
Built-in high-quality power supply with non-fan system design for quietness
Possesses standard-sized, 19-inch outfit for standard rack
Supports Professional 4kV common mode lightning protection
Complies with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab standards
Supports AH, ESP, IKE, PPP protocols
Supports TCP/IP, DHCP, ICMP, NAT, NAPT protocols
Supports PPPoE, SNTP, HTTP, DDNS, UPnP, NTP protocols
Basic Functions
Supports Static IP, Dynamic IP, PPPoE/Russian PPPoE, L2TP/Russian L2TP, PPTP/Russian
PPTP, Dual Access, BigPond Internet connections
Supports Virtual Server, Port Triggering, ALG, Static Route and RIP v1/v2
Built-in Switch supporting Port Mirror, Port VLAN, Rate Control and so on
Supports to change the MAC address of LAN, WAN, DMZ port
Supports Logs, Statistics, Time setting
Supports Remote and Web management