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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.