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TP-Link TL-ER6120 TL-ER6120 User Guide - Page 9

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Chapter 2 Introduction Thanks for choosing the SafeStreamTM Multi-WAN VPN Router TL-ER6120. 2.1 Overview of the Router The SafeStreamTM Multi-WAN VPN Router TL-ER6120 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. z Powerful Data Processing Capability + Built-in MIPS64 network processor and 128MB DDRII high-speed RAM allows the stability and reliability for operation. z 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. z 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. z 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. z 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. -4-

Section	Page
Package Contents	6
Chapter 1 About this Guide	7
1.1 Intended Readers	7
1.2 Conventions	7
1.3 Overview of this Guide	7
Chapter 2 Introduction	9
2.1 Overview of the Router	9
2.2 Features	10
2.3 Appearance	11
2.3.1 Front Panel	11
2.3.2 Rear Panel	13
Chapter 3 Configuration	14
3.1 Network	14
3.1.1 Status	14
3.1.2 System Mode	15
3.1.3 WAN	18
3.1.3.1 WAN Mode	18
3.1.3.2 WAN1	19
3.1.4 LAN	36
3.1.4.1 LAN	36
3.1.4.2 DHCP	37
3.1.4.3 DHCP Client	38
3.1.4.4 DHCP Reservation	38
3.1.5 DMZ	40
3.1.5.1 DMZ	40
3.1.6 MAC Address	41
3.1.7 Switch	43
3.1.7.1 Statistics	43
3.1.7.2 Port Mirror	44
3.1.7.3 Rate Control	46
3.1.7.4 Port Config	47
3.1.7.5 Port Status	48
3.1.7.6 Port VLAN	49
3.2 User Group	49
3.2.1 Group	50
3.2.2 User	50
3.2.3 View	51
3.3 Advanced	52
3.3.1 NAT	52
3.3.1.1 NAT Setup	52
3.3.1.2 One-to-One NAT	53
3.3.1.3 Multi-Nets NAT	54
3.3.1.4 Virtual Server	57
3.3.1.5 Port Triggering	58
3.3.1.6 ALG	59
3.3.2 Traffic Control	60
3.3.2.1 Setup	60
3.3.2.2 Bandwidth Control	62
3.3.3 Session Limit	64
3.3.3.1 Session Limit	64
3.3.3.2 Session List	65
3.3.4 Load Balance	65
3.3.4.1 Configuration	65
3.3.4.2 Policy Routing	66
3.3.4.3 Link Backup	67
3.3.4.4 Protocol	69
3.3.5 Routing	70
3.3.5.1 Static Route	70
3.3.5.2 RIP	73
3.3.5.3 Route Table	74
3.4 Firewall	75
3.4.1 Anti ARP Spoofing	75
3.4.1.1 IP-MAC Binding	75
3.4.1.2 ARP Scanning	77
3.4.1.3 ARP List	78
3.4.2 Attack Defense	78
3.4.3 MAC Filtering	80
3.4.4 Access Control	81
3.4.4.1 URL Filtering	81
3.4.4.2 Web Filtering	83
3.4.4.3 Access Rules	83
3.4.4.4 Service	86
3.4.5 App Control	87
3.4.5.1 Control Rules	87
3.4.5.2 Database	89
3.5 VPN	89
3.5.1 IKE	90
3.5.1.1 IKE Policy	90
3.5.1.2 IKE Proposal	92
3.5.2 IPsec	94
3.5.2.1 IPsec Policy	94
3.5.2.2 IPsec Proposal	98
3.5.2.3 IPsec SA	100
3.5.3 L2TP/PPTP	101
3.5.3.1 L2TP/PPTP Tunnel	101
3.5.3.2 IP Address Pool	104
3.5.3.3 List of L2TP/PPTP Tunnel	105
3.6 Services	105
3.6.1 PPPoE Server	105
3.6.1.1 General	106
3.6.1.2 IP Address Pool	107
3.6.1.3 Account	108
3.6.1.4 Exceptional IP	110
3.6.1.5 List of Account	111
3.6.2 E-Bulletin	111
3.6.3 Dynamic DNS	113
3.6.3.1 DynDNS	114
3.6.3.2 No-IP	115
3.6.3.3 PeanutHull	116
3.6.3.4 Comexe	117
3.6.4 UPnP	118
3.7 Maintenance	119
3.7.1 Admin Setup	119
3.7.1.1 Administrator	119
3.7.1.2 Login Parameter	120
3.7.1.3 Remote Management	122
3.7.2 Management	122
3.7.2.1 Factory Defaults	122
3.7.2.2 Export and Import	123
3.7.2.3 Reboot	123
3.7.2.4 Firmware Upgrade	124
3.7.3 License	124
3.7.4 Statistics	125
3.7.4.1 Interface Traffic Statistics	125
3.7.4.2 IP Traffic Statistics	126
3.7.5 Diagnostics	127
3.7.5.1 Diagnostics	127
3.7.5.2 Online Detection	129
3.7.6 Time	130
3.7.7 Logs	131
Chapter 4 Application	133
4.1 Network Requirements	133
4.2 Network Topology	134
4.3 Configurations	134
4.3.1 Internet Setting	134
4.3.1.1 System Mode	135
4.3.1.2 WAN Mode	135
4.3.1.3 Internet Connection	135
4.3.1.4 Link Backup	136
4.3.2 VPN Setting	137
4.3.2.1 IPsec VPN	137
4.3.2.2 PPTP VPN Setting	141
4.3.3 Network Management	142
4.3.3.1 User Group	142
4.3.3.2 App Control	144
4.3.3.3 Bandwidth Control	144
4.3.3.4 Session Limit	146
4.3.4 Network Security	146
4.3.4.1 LAN ARP Defense	147
4.3.4.2 WAN ARP Defense	148
4.3.4.3 Attack Defense	149
4.3.4.4 Traffic Monitoring	149
Chapter 5 CLI	152
5.1 Configuration	152
5.2 Interface Mode	155
5.3 Online Help	156
5.4 Command Introduction	157
5.4.1 ip	158
5.4.2 ip-mac	158
5.4.3 sys	158
5.4.4 user	160
5.4.5 history	161

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-4-

Chapter 2 Introduction

Thanks for choosing the SafeStream

Multi-WAN VPN Router TL-ER6120.

2.1

Overview of the Router

The SafeStream

Multi-WAN VPN Router TL-ER6120 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 MIPS64 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.