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Applications for the G-1000, Embedded FTP and TFTP Servers

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G-1000 User's Guide 1.2.2.10 IEEE 802.1x Network Security The G-1000 supports the IEEE 802.1x standard to enhance user authentication. Use the builtin user profile database to authenticate up to 32 users using MD5 encryption. Use an EAPcompatible RADIUS (RFC2138, 2139 - Remote Authentication Dial In User Service) server to authenticate a limitless number of users using EAP (Extensible Authentication Protocol). EAP is an authentication protocol that supports multiple types of authentication. 1.2.2.11 SNMP SNMP (Simple Network Management Protocol) is a protocol used for exchanging management information between network devices. SNMP is a member of the TCP/IP protocol suite. Your G-1000 supports SNMP agent functionality, which allows a manger station to manage and monitor the G-1000 through the network. The G-1000 supports SNMP version one (SNMPv1) and version two c (SNMPv2c). 1.2.2.12 Full Network Management The embedded web configurator is an all-platform web-based utility that allows you to easily access the G-1000's management settings. Most functions of the G-1000 are also software configurable via the SMT (System Management Terminal) interface. The SMT is a menudriven interface that you can access from a terminal emulator over a telnet connection. 1.2.2.13 Logging and Tracing • Built-in message logging and packet tracing. • Unix syslog facility support. 1.2.2.14 Embedded FTP and TFTP Servers The G-1000's embedded FTP and TFTP servers enable fast firmware upgrades as well as configuration file backups and restoration. 1.2.2.15 Wireless Association List With the wireless association list, you can see the list of the wireless stations that are currently using the G-1000 to access your wired network. 1.3 Applications for the G-1000 Here are some G-1000 application examples. . Note: A different channel should be configured for each WLAN interface to reduce the effects of radio interference. Chapter 1 Getting to Know Your G-1000 29

Section	Page
User’s Guide	1
Copyright	2
Federal Communications Commission (FCC) Interference Statement	3
Safety Warnings	5
ZyXEL Limited Warranty	6
Customer Support	7
Table of Contents	10
List of Figures	16
List of Tables	20
Preface	24
Getting to Know Your G-1000	26
1.1 Introducing the G-1000	26
1.2 G-1000 Features	26
1.2.1 Physical Features	26
1.2.2 Firmware Features	27
1.3 Applications for the G-1000	29
1.3.1 Internet Access Application	30
1.3.2 Corporation Network Application	30
Hardware Installation and Initial Setup	32
2.1 Front Panel of the G-1000	32
2.2 Top Panel and Connections of the G-1000	33
2.2.1 One 10/100M Ethernet Port	34
2.2.2 Power Port	34
2.2.3 The RESET Button	34
2.2.4 Antennas	35
2.3 Hardware Mounting Options	35
2.4 Additional Installation Requirements	35
2.5 Configuring Your G-1000	35
Introducing the Web Configurator	36
3.1 Accessing the G-1000 Web Configurator	36
3.2 Resetting the G-1000	37
3.2.1 Procedure To Use The Reset Button	37
3.2.2 Method of Restoring Factory-Defaults	38
3.3 Navigating the G-1000 Web Configurator	38
Wizard Setup	40
4.1 Wizard Setup Overview	40
4.1.1 Channel	40
4.1.2 ESS ID	40
4.1.3 WEP Encryption	40
4.2 Wizard Setup: General Setup	41
4.3 Wizard Setup: Wireless LAN	41
4.4 Wizard Setup: IP Address	43
4.4.1 IP Address Assignment	43
4.4.2 IP Address and Subnet Mask	43
4.5 Basic Setup Complete	45
System Screens	46
5.1 System Overview	46
5.2 Configuring General Setup	46
5.3 Configuring Password	47
5.4 Configuring Time Setting	48
Wireless LAN	50
6.1 Introduction	50
6.2 Wireless Security Overview	50
6.2.1 Encryption	50
6.2.2 Authentication	50
6.2.3 Restricted Access	51
6.2.4 Hide G-1000 Identity	51
6.2.5 Configuring Wireless LAN on the G-1000	51
6.3 Configuring the Wireless Screen	52
6.3.1 WEP Encryption	52
6.4 Configuring Roaming	55
6.4.1 Requirements for Roaming	56
6.5 MAC Filter	57
6.6 Introduction to WPA	59
6.6.1 WPA(2)-PSK Application Example	59
6.6.2 WPA(2) with RADIUS Application Example	60
6.6.3 Wireless Client WPA Supplicants	61
6.7 Configuring IEEE 802.1x and WPA	61
6.7.1 Authentication Required: 802.1x	62
6.7.2 Authentication Required: WPA	64
6.7.3 Authentication Required: WPA-PSK	65
6.7.4 Authentication Required: WPA2	66
6.7.5 Authentication Required: WPA2-PSK	67
6.8 Configuring RADIUS	68
IP Screen	70
7.1 TCP/IP Parameters	70
7.1.1 IP Address and Subnet Mask	70
7.1.2 WAN IP Address Assignment	70
7.2 Configuring IP	71
Remote Management Screens	72
8.1 Remote Management Overview	72
8.1.1 Remote Management Limitations	72
8.1.2 Remote Management and NAT	73
8.1.3 System Timeout	73
8.2 Configuring WWW	73
8.3 Configuring Telnet	74
8.4 Configuring TELNET	74
8.5 Configuring FTP	75
8.6 SNMP	76
8.6.1 Supported MIBs	78
8.6.2 SNMP Traps	78
8.6.3 SNMP Interface Index	79
8.6.4 Configuring SNMP	79
Log Screens	82
9.1 Configuring View Log	82
9.2 Configuring Log Settings	83
Maintenance	86
10.1 Maintenance Overview	86
10.2 System Status Screen	86
10.2.1 System Statistics	87
10.3 Association List	87
10.4 F/W Upload Screen	88
10.5 Configuration Screen	90
10.5.1 Backup Configuration	91
10.5.2 Restore Configuration	91
10.5.3 Back to Factory Defaults	93
10.6 Restart Screen	93
Introducing the SMT	94
11.1 Connect to your G-1000 Using Telnet	94
11.2 Changing the System Password	94
11.3 G-1000 SMT Menus Overview	95
11.4 Navigating the SMT Interface	96
General Setup	98
LAN Setup	100
13.1 LAN Setup	100
13.2 TCP/IP Ethernet Setup	100
13.3 Wireless LAN Setup	101
13.3.1 Configuring MAC Address Filter	103
13.3.2 Configuring Roaming	105
Dial-in User Setup	108
SNMP Configuration	110
System Security	112
16.1 System Password	112
16.2 Configuring External RADIUS Server	112
16.3 802.1x	114
System Information and Diagnosis	118
17.1 System Status	118
17.2 System Information	119
17.2.1 System Information	120
17.2.2 Console Port Speed	121
17.3 Diagnostic	121
Firmware and Configuration File Maintenance	124
18.1 Filename Conventions	124
18.2 Backup Configuration	125
18.2.1 Backup Configuration Using FTP	125
18.2.2 Using the FTP command from the DOS Prompt	126
18.2.3 Backup Configuration Using TFTP	127
18.2.4 Example: TFTP Command	128
18.2.5 Backup Via Console Port	128
System Maintenance and Information	130
19.1 Command Interpreter Mode	130
19.2 Time and Date Setting	131
19.3 Remote Management Setup	133
19.3.1 Telnet	133
19.3.2 FTP	133
19.3.3 Web	133
19.3.4 Remote Management Setup	133
19.3.5 Remote Management Limitations	134
19.4 Remote Management and NAT	135
19.5 System Timeout	135
Appendix A	136
Troubleshooting	136
Problems Starting Up the G-1000	136
Problems with the Ethernet Interface	136
Problems with the Password	137
Problems with Telnet	137
Problems with the WLAN Interface	137
Appendix B	138
Specifications	138
Hardware	138
Firmware	138
Appendix C	140
Brute-Force Password Guessing Protection	140
Example	140
Appendix D	142
Setting up Your Computer’s IP Address	142
Windows 95/98/Me	142
Windows 2000/NT/XP	145
Macintosh OS 8/9	149
Macintosh OS X	151
Appendix E	154
IP Address Assignment Conflicts	154
Case A: The G-1000 is using the same LAN and WAN IP addresses	154
Case B: The G-1000 LAN IP address conflicts with the DHCP client IP address	154
Case C: The Subscriber IP address is the same as the IP address of a network device	155
Case D: Two or more subscribers have the same IP address.	155
Appendix F	158
Wireless LANs	158
Wireless LAN Topologies	158
Channel	160
RTS/CTS	160
Fragmentation Threshold	161
Preamble Type	162
IEEE 802.1x	163
RADIUS	163
Types of Authentication	164
WPA(2)	166
Security Parameters Summary	167
Appendix G	170
IP Subnetting	170
IP Addressing	170
IP Classes	170
Subnet Masks	171
Subnetting	171
Example: Two Subnets	172
Example: Four Subnets	174
Example Eight Subnets	175
Subnetting With Class A and Class B Networks.	176
Appendix H	178
Command Interpreter	178
Command Syntax	178
Command Usage	178
Appendix I	180
Log Descriptions	180
Log Commands	181
Log Command Example	182
Appendix J	184
Antenna Selection and Positioning Recommendation	184
Antenna Characteristics	184
Types of Antennas For WLAN	184
Connector Type	185
Appendix K	186
Power Adaptor Specifications	186
Index	188
Numerics	188
A	188
B	188
C	188
D	188
E	189
F	189
G	189
H	189
I	189
L	189
M	190
N	190
O	190
P	190
Q	190
R	190
S	191
T	191
U	192
V	192
W	192

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G-1000 User’s Guide

Chapter 1 Getting to Know Your G-1000

1.2.2.10

IEEE 802.1x Network Security

The G-1000 supports the IEEE 802.1x standard to enhance user authentication. Use the built-

in user profile database to authenticate up to 32 users using MD5 encryption. Use an EAP-

compatible RADIUS (RFC2138, 2139 - Remote Authentication Dial In User Service) server

to authenticate a limitless number of users using EAP (Extensible Authentication Protocol).

EAP is an authentication protocol that supports multiple types of authentication.

1.2.2.11

SNMP

SNMP (Simple Network Management Protocol) is a protocol used for exchanging

management information between network devices. SNMP is a member of the TCP/IP

protocol suite.

Your G-1000 supports SNMP agent functionality, which allows a manger

station to manage and monitor the G-1000 through the network. The G-1000 supports SNMP

version one (SNMPv1) and version two c (SNMPv2c).

1.2.2.12

Full Network Management

The embedded web configurator is an all-platform web-based utility that allows you to easily

access the G-1000’s management settings. Most functions of the G-1000 are also software

configurable via the SMT (System Management Terminal) interface. The SMT is a menu-

driven interface that you can access from a terminal emulator over a telnet connection.

1.2.2.13

Logging and Tracing

•

Built-in message logging and packet tracing.

•

Unix syslog facility support.

1.2.2.14

Embedded FTP and TFTP Servers

The G-1000’s embedded FTP and TFTP servers enable fast firmware upgrades as well as

configuration file backups and restoration.

1.2.2.15

Wireless Association List

With the wireless association list, you can see the list of the wireless stations that are currently

using the G-1000 to access your wired network.

1.3

Applications for the G-1000

Here are some G-1000 application examples.

Note:

A different channel should be configured for each WLAN

interface to reduce the effects of radio interference.