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ZyXEL Communications P-974H - V3.70, Manual

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P-974H/HW Series User’s Guide

63

C

H A P T E R

   

7  

Maintenance

7.1  Overview

This chapter shows you how to change the ZyXEL Device administrator login 
password and perform device connection tests. 

7.1.1  What You Can Do in this Chapter

• The Security screen allows you to change the password used for accessing the 

ZyXEL Device (

Section 7.2 on page 63

).

• The Diagnostics screen allows you to ping a device to test the connection or to 

perform a trace route (

Section 7.3 on page 64

).

• The Band screen allow you to configure frequency bands for faster downstream 

channel scanning for Internet access (

Section 7.4 on page 66

).

7.2  Security

It is highly recommended that you periodically change the password for accessing 
the ZyXEL Device. If you didn’t change the default one after you logged in or you 
want to change to a new password again, then click Maintenance > Security to 
display the screen as shown next. 

Figure 21   

Maintenance: Security 

Summary of Contents for P-974H - V3.70

Page 1: ...zyxel com P 974H HW Series Cable Router Copyright 2009 ZyXEL Communications Corporation Firmware Version 3 70 Edition 2 09 2009 Default Login Details IP Address http 192 168 1 1 8080 User Name webadm...

Page 2: ......

Page 3: ...ght away It contains information on setting up your network and configuring for Internet access Support Disc Refer to the included CD for support documents ZyXEL Web Site Please refer to www zyxel com...

Page 4: ...ey stroke is denoted by square brackets and uppercase text for example ENTER means the enter or return key on your keyboard Enter means for you to type one or more characters and then press the ENTER...

Page 5: ...de 5 Icons Used in Figures Figures in this User s Guide may use the following generic icons The ZyXEL Device icon is not an exact representation of your device ZyXEL Device Computer Notebook computer...

Page 6: ...t all cables from this device before servicing or disassembling Use ONLY an appropriate power adaptor or cord for your device Connect the power adaptor or cord to the right supply voltage for example...

Page 7: ...Safety Warnings P 974H HW Series User s Guide 7 This product is recyclable Dispose of it properly...

Page 8: ...Safety Warnings P 974H HW Series User s Guide 8...

Page 9: ...Hardware Connection and Installation 20 1 4 Front Panel LED Description 20 Chapter 2 The Web Configurator 23 2 1 Overview 23 2 2 Accessing the Web Configurator 23 2 2 1 Logging Out of the Web Configu...

Page 10: ...5 4 MAC Filtering 48 5 5 Port Filtering 49 5 6 Port Forwarding 50 Chapter 6 Wireless LAN 51 6 1 Overview 51 6 1 1 What You Need to Know 52 6 2 Basic WLAN Settings 54 6 3 Wireless LAN Security 55 6 3...

Page 11: ...Static IP Only 78 7 6 2 Set Static IP with Public DHCP 78 7 6 3 Set Static IP with NAT 79 7 6 4 Set Static IP with NAT and Private DHCP 79 7 6 5 Set Bridge Mode 80 7 6 6 Set Default IP Sharing RG Mod...

Page 12: ...Table of Contents P 974H HW Series User s Guide 12...

Page 13: ...Figure 20 Wireless Access Control 61 Figure 21 Maintenance Security 63 Figure 22 Maintenance Diagnostic Ping 64 Figure 23 Maintenance Diagnostic Traceroute 65 Figure 24 Maintenance Band 66 Figure 25...

Page 14: ...KDE Network Configuration DNS 94 Figure 42 Red Hat 9 0 KDE Network Configuration Activate 95 Figure 43 Red Hat 9 0 Dynamic IP Address Setting in ifconfig eth0 95 Figure 44 Red Hat 9 0 Static IP Addre...

Page 15: ...dvanced MAC Filtering 48 Table 14 Advanced Port Filtering 49 Table 15 Advanced Forwarding 50 Table 16 Types of Encryption for Each Type of Authentication 53 Table 17 Wireless Basic 54 Table 18 Wireles...

Page 16: ...List of Tables P 974H HW Series User s Guide 16...

Page 17: ...17 PART I Introduction and Configuration Introduction 19 The Web Configurator 23 Status 29 Basic 43 Advanced 45 Wireless LAN 51 Maintenance 63...

Page 18: ...18...

Page 19: ...ers to these models simply as the ZyXEL Device Please refer to Appendix A on page 71 for a complete list of features for your model 1 2 Internet Access Application The ZyXEL Device is the ideal high s...

Page 20: ...images of the P 974HW and P 974H models respectively The LED behavior is described at the end of this section Figure 2 Front Panel LEDs P 974H Figure 3 Front Panel LEDs P 974HW The following table de...

Page 21: ...WLAN Green On The wireless LAN is enabled Blinking The ZyXEL Device is sending receiving data through the wireless LAN Off The wireless LAN is disabled DATA Green Blinking The ZyXEL Device is sending...

Page 22: ...Chapter 1 Introduction P 974H HW Series User s Guide 22...

Page 23: ...In order to use the web configurator you need to allow Web browser pop up windows from your device Web pop up blocking is enabled by default in Windows XP SP Service Pack 2 JavaScript enabled by defa...

Page 24: ...e in that browser you may not have been properly logged out For instructions on how to empty your web browser cache see the documentation that shipped with it 2 2 2 Resetting the ZyXEL Device If you f...

Page 25: ...izes how to navigate the web configurator from the main Status screen Figure 4 Status Following table lists the menu screens Table 2 Web Configurator Screens Summary LINK SUB LINK FUNCTION Status Soft...

Page 26: ...ied MAC address es Port Filtering Use this screen to block access from one or a range of ports Forwarding Use this screen to configure port forwarding on your network Wireless P 974HW Only Basic Use t...

Page 27: ...name is user New Password Type the new password in this field Passwords may be up to 16 characters in length and must be alphanumeric a z A Z 0 9 no other characters are allowed Re enter New Password...

Page 28: ...Chapter 2 The Web Configurator P 974H HW Series User s Guide 28...

Page 29: ...s you read through this chapter Acquire Downstream Channel In order to establish a successful connection with the cable provider s network the ZyXEL Device must first find and lock onto a frequency fo...

Page 30: ...al Your cable modem must receive an offer of a DHCP IP Address from the cable operator s CMTS and respond to that offer in order to set your IP Address First your cable modem is Waiting for DHCP Offer...

Page 31: ...these may also be set in the configuration file 3 2 Software Click Status SOFTWARE to display the following screen These fields are read only and strictly for diagnostic purposes Figure 6 Status SOFTW...

Page 32: ...tion to the cable service provider s network This field displays whether the authentication certificates are installed on the ZyXEL Device Software Status System Up Time This is the elapsed time the s...

Page 33: ...ream channel The ZyXEL Device supports QAM16 or QPSK Quadrature Phase Shift Keying for the upstream channel Channel ID A standard channel number from the DOCSIS 2 0 specification Channel numbers and c...

Page 34: ...on has been set Expires This is the expiration date of the IP address after installation of the modem configuration file and DHCP negotiation The default is 7 days e g Wed Jul 02 00 26 23 2005 A seque...

Page 35: ...signal timing FEC framing MPEG packets or obtain downstream channel MAC address Upstream Parameters Acquired The ZyXEL Device is trying to obtain the upstream channel information from your cable provi...

Page 36: ...successfully gone through the boot up process Refused by CMTS The ZyXEL Device could not complete one of the initialization steps Configuration File This field displays OK The ZyXEL Device obtains a...

Page 37: ...the severity level of the log Description This field displays detailed information about the log Clear Log Click Clear Log to erase the log s in this screen Table 8 Event Log Severity Levels ERROR LEV...

Page 38: ...nfigure the DHCP server so that it sends all of the required fields SYNC Timing Synchronization failure Failed to acquire FEC framing Critical When attempting to lock on to the downstream channel your...

Page 39: ...Critical Your ZyXEL Device sent a DHCP discovery broadcast message to the cable operator s CMTS and received a DHCP offer message in response from the cable operator but when it sent a DHCP request me...

Page 40: ...essive attempts or until it reaches the maximum transmit power level Started Unicast Maintenance Ranging No Response received T3 time out Critical Your ZyXEL Device is online and has sent a periodic R...

Page 41: ...ange US channel ID Error Your ZyXEL Device has received an Upstream Channel Change Request UCC REQ message from your cable operator s CMTS that contains an upstream channel ID that is either invalid o...

Page 42: ...Chapter 3 Status P 974H HW Series User s Guide 42...

Page 43: ...to the network When an Ethernet device is configured to obtain a dynamic IP address from a DHCP server it is known as a DHCP client DHCP DHCP Dynamic Host Configuration Protocol RFC 2131 and RFC 2132...

Page 44: ...o DHCP Server IP Enter the LAN IP address of the ZyXEL Device in the fields provided DHCP Server Mask Enter the subnet mask associated with the LAN IP address Starting Local Address Specify the first...

Page 45: ...e MAC address of a computer on the LAN Section 5 4 on page 48 The Port Filtering screen allows you to drop traffic based on service port numbers and protocol types Section 5 5 on page 49 The Port Forw...

Page 46: ...tion to allow the ZyXEL Device to pass through VPN traffic using the IPsec protocol Clear this option to disallow this type of VPN traffic PPTP PassThrough Select this option to allow the ZyXEL Device...

Page 47: ...ls in this screen Table 12 Advanced IP Filtering LABEL DESCRIPTION Start Address Enter the IP address of a computer or the beginning IP address of a specific range of computers on the LAN that you wan...

Page 48: ...adecimal characters for example 00 AC 12 00 01 15 Computers whose MAC addresses are specified in the MAC Filtering screen are denied access to the ZyXEL Device and the Internet Click Advanced MAC Filt...

Page 49: ...ng The following table describes the labels in this screen Table 14 Advanced Port Filtering LABEL DESCRIPTION Start Port Enter the beginning service port number whose traffic you want the ZyXEL Device...

Page 50: ...s the labels in this screen Table 15 Advanced Forwarding LABEL DESCRIPTION Local IP Address Enter the IP address of a server or computer to which you want to forward traffic incoming on the ports you...

Page 51: ...the P 974HW model The following figure provides an example of a wireless network Figure 15 Example of a Wireless Network The wireless network is the part in the blue circle In this wireless network de...

Page 52: ...s for unauthorized wireless devices to get the SSID In addition unauthorized wireless devices can still see the information that is sent in the wireless network MAC Address Filter Every device that ca...

Page 53: ...twork Encryption is like a secret code If you do not know the secret code you cannot understand the message The types of encryption you can choose depend on the type of authentication See Section on p...

Page 54: ...ble describes the labels in this screen Table 17 Wireless Basic LABEL DESCRIPTION 802 1b g Basic Wireless MAC Address This read only field displays the MAC address of the built in WLAN card Network Na...

Page 55: ...ns private It encrypts unicast and multicast communications in a network Both the wireless stations and the access points must use the same WEP key Your ZyXEL Device allows you to configure up to four...

Page 56: ...server settings if you enable 802 1x authentication RADIUS Port The default port of the RADIUS server for authentication is 1812 You need not change this value unless your network administrator instru...

Page 57: ...cation is set to Disabled 802 1x Authentication You must have a RADIUS server when you select this setting You must also configure the RADIUS Key field in this screen The RADIUS server must be set up...

Page 58: ...dvanced Encryption Standard AES to offer stronger encryption Use WPA security if you have WPA aware wireless clients and a RADIUS server WPA has user authentication and improved data encryption over W...

Page 59: ...DIUS Port The default port of the RADIUS server for authentication is 1812 You need not change this value unless your network administrator instructs you to do so with additional information RADIUS Ke...

Page 60: ...he passwords match a client will be granted access to the wireless network Click Wireless Security and select Enabled in the WPA PSK or WPA2 PSK field to display the configuration screen as shown Figu...

Page 61: ...ers as the key to be shared between the external authentication server and the access points The key is not sent over the network This key must be the same on the external authentication server and Zy...

Page 62: ...the ZyXEL Device in these address fields Apply Click Apply to save the settings Connected Clients The table below displays the list of wireless LAN client s that is currently connect to the ZyXEL Devi...

Page 63: ...reen allows you to ping a device to test the connection or to perform a trace route Section 7 3 on page 64 The Band screen allow you to configure frequency bands for faster downstream channel scanning...

Page 64: ...ge User ID Enter the login username whose password you want to change New Password Type the new password in this field Passwords may be up to 16 characters in length and must be alphanumeric a z A Z 0...

Page 65: ...tion Ping Size Specify the size of the ping packet the ZyXEL Device is to send The default is 64 bytes 56 bytes of data plus 8 bytes for the header If you need to determine the Maximum Transmission Un...

Page 66: ...er of hops the traceroute takes before the process ends A hop is connection from one router or intermediate device to another on a network The more hops there are the longer it takes for data to reach...

Page 67: ...t scan plan EIA HRC OIRT or BG and enter the first channel ID in the range you want the ZyXEL Device to scan For the EURO plan enter the starting frequency lowest you want the ZyXEL Device to scan End...

Page 68: ...Chapter 7 Maintenance P 974H HW Series User s Guide 68...

Page 69: ...69 PART II Appendices and Index Product Specifications 71 Sample Configurations 77 Setting up Your Computer s IP Address 81 Common Services 99 Legal Information 103 Customer Support 107 Index 113...

Page 70: ...70...

Page 71: ...nvert your public IP address es to multiple private IP addresses for the computers on your network Port Forwarding If you have a server mail or web server for example on your network you can use this...

Page 72: ...Address 192 168 1 1 8080 Default Subnet Mask 255 255 255 0 24 bits Default Administrator Username webadmin Default Administrator Password 1234 DHCP Relay Supports up to five 5 IP addresses from a rem...

Page 73: ...7 W x 143 D x 31 H mm Operation Temperature 0 C 40 C Storage Temperature 30 60 C Operation Humidity 20 90 RH Storage Humidity 10 90 RH DOWNSTREAM CHANNEL Center Frequency 91 to 857 MHZ Channel Bandwid...

Page 74: ...ications continued Table 29 P 974H HW Power Adaptor Specifications NORTH AMERICAN PLUG STANDARDS AC Power Adapter Model MU18 2120150 A1 Input Power 100 240 Volts AC 50 60 Hz 0 6A Output Power 12 Volts...

Page 75: ...tandards EN IEC 60950 1 2001 AUSTRALIA PLUG STANDARDS AC Power Adapter Model MU18 2120150 A3 Input Power 100 240 Volts AC 50 60 Hz 0 6A Output Power 12 Volts DC 1 5A 18W Power Consumption 12W Max Safe...

Page 76: ...Appendix A Product Specifications P 974H HW Series User s Guide 76...

Page 77: ...ovided by your ISP where appropriate 7 6 Connecting to the ZyXEL Device with Telnet Before you can use these sample configurations you must first connect to the ZyXEL Device with Telnet 1 Open your Co...

Page 78: ...e settings according to the information provided by your ISP or network administrator defaults ip_sharing false dhcp_enable false dhcp_server 10 13 17 1 255 255 255 0 static_ip 10 13 17 1 255 255 255...

Page 79: ...ds Change the settings according to the information provided by your ISP or network administrator defaults ip_sharing false dhcp_enable false dhcp_server 192 168 1 1 255 255 255 0 static_ip 10 13 17 1...

Page 80: ...idge mode enter the following commands 7 6 6 Set Default IP Sharing RG Mode To set the ZyXEL Device to its default IP Sharing RG mode enter the following commands Change the settings according to the...

Page 81: ...IP on your computer Windows 3 1 requires the purchase of a third party TCP IP application package TCP IP should already be installed on computers using Windows NT 2000 XP Macintosh OS 7 and later ope...

Page 82: ...Installing Components The Network window Configuration tab displays a list of installed components You need a network adapter the TCP IP protocol and Client for Microsoft Networks If you need the ada...

Page 83: ...ct Client for Microsoft Networks from the list of network clients and then click OK 5 Restart your computer so the changes you made take effect Configuring 1 In the Network window Configuration tab se...

Page 84: ...you do not know your gateway s IP address remove previously installed gateways If you have a gateway IP address type it in the New gateway field and click Add 5 Click OK to save and close the TCP IP...

Page 85: ...he following example figures use the default Windows XP GUI theme 1 Click start Start in Windows 2000 NT Settings Control Panel Figure 28 Windows XP Start Menu 2 In the Control Panel double click Netw...

Page 86: ...d then click Properties Figure 30 Windows XP Control Panel Network Connections Properties 4 Select Internet Protocol TCP IP under the General tab in Win XP and then click Properties Figure 31 Windows...

Page 87: ...one or more of the following if you want to configure additional IP addresses In the IP Settings tab in IP addresses click Add In TCP IP Address type an IP address in IP address and a subnet mask in S...

Page 88: ...perties 7 In the Internet Protocol TCP IP Properties window the General tab in Windows XP Click Obtain DNS server address automatically if you do not know your DNS server IP address es If you know you...

Page 89: ...ick Close OK in Windows 2000 NT to close the Local Area Connection Properties window 10 Close the Network Connections window Network and Dial up Connections in Windows 2000 NT 11 Turn on your ZyXEL De...

Page 90: ...ing up Your Computer s IP Address P 974H HW Series User s Guide 90 Macintosh OS 8 9 1 Click the Apple menu Control Panel and double click TCP IP to open the TCP IP Control Panel Figure 35 Macintosh OS...

Page 91: ...ssigned settings do the following From the Configure box select Manually Type your IP address in the IP Address box Type your subnet mask in the Subnet mask box Type the IP address of your ZyXEL Devic...

Page 92: ...System Preferences window Figure 37 Macintosh OS X Apple Menu 2 Click Network in the icon bar Select Automatic from the Location list Select Built in Ethernet from the Show list Click the TCP IP tab 3...

Page 93: ...g Settings Check your TCP IP properties in the Network window Linux This section shows you how to configure your computer s TCP IP settings in Red Hat Linux 9 0 Procedure screens and file location may...

Page 94: ...tain IP address settings with and select dhcp from the drop down list If you have a static IP address click Statically set IP Addresses and fill in the Address Subnet mask and Default Gateway Address...

Page 95: ...reen Using Configuration Files Follow the steps below to edit the network configuration files and set your computer IP address 1 Assuming that you have only one network card on the computer locate the...

Page 96: ...le in the etc directory The following figure shows an example where two DNS server IP addresses are specified Figure 45 Red Hat 9 0 DNS Settings in resolv conf 3 After you edit and save the configurat...

Page 97: ...s root localhost ifconfig eth0 Link encap Ethernet HWaddr 00 50 BA 72 5B 44 inet addr 172 23 19 129 Bcast 172 23 19 255 Mask 255 255 255 0 UP BROADCAST RUNNING MULTICAST MTU 1500 Metric 1 RX packets 7...

Page 98: ...Appendix C Setting up Your Computer s IP Address P 974H HW Series User s Guide 98...

Page 99: ...EME TCP UDP 7648 24032 A popular videoconferencing solution from White Pines Software DNS UDP TCP 53 Domain Name Server a service that matches web names e g www zyxel com to IP numbers FINGER TCP 79 F...

Page 100: ...tocol enables secure transfer of data over public networks This is the data channel RCMD TCP 512 Remote Command Service REAL_AUDIO TCP 7070 A streaming audio service that enables real time sound over...

Page 101: ...ates over TCP IP networks Its primary function is to allow users to log into remote host systems TFTP UDP 69 Trivial File Transfer Protocol is an Internet file transfer protocol similar to FTP but use...

Page 102: ...Appendix D Common Services P 974H HW Series User s Guide 102...

Page 103: ...ing out of the application or use of any products or software described herein Neither does it convey any license under its patent rights nor the patent rights of others ZyXEL further reserves the rig...

Page 104: ...does cause harmful interference to radio television reception which can be determined by turning the device off and on the user is encouraged to try to correct the interference by one or more of the f...

Page 105: ...se During the warranty period and upon proof of purchase should the product have indications of failure due to faulty workmanship and or materials ZyXEL will at its discretion repair or replace the de...

Page 106: ...n out dated warranty will be repaired or replaced at the discretion of ZyXEL and the customer will be billed for parts and labor All repaired or replaced products will be shipped by ZyXEL to the corre...

Page 107: ...lem and the steps you took to solve it is the prefix number you dial to make an international telephone call Corporate Headquarters Worldwide Support E mail support zyxel com tw Sales E mail sales zyx...

Page 108: ...yxel cz Regular Mail ZyXEL Communications Czech s r o Modransk 621 143 01 Praha 4 Modrany Cesk Republika Denmark Support E mail support zyxel dk Sales E mail sales zyxel dk Telephone 45 39 55 07 00 Fa...

Page 109: ...ales E mail sales zyxel in Telephone 91 11 30888144 to 91 11 30888153 Fax 91 11 30888149 91 11 26810715 Web http www zyxel in Regular Mail India ZyXEL Technology India Pvt Ltd II Floor F2 9 Okhla Phas...

Page 110: ...14 632 0858 Web www zyxel com Regular Mail ZyXEL Communications Inc 1130 N Miller St Anaheim CA 92806 2001 U S A Norway Support E mail support zyxel no Sales E mail sales zyxel no Telephone 47 22 80 6...

Page 111: ...planta 28033 Madrid Spain Sweden Support E mail support zyxel se Sales E mail sales zyxel se Telephone 46 31 744 7700 Fax 46 31 744 7701 Web www zyxel se Regular Mail ZyXEL Communications A S Sj porte...

Page 112: ...e Support E mail support ua zyxel com Sales E mail sales ua zyxel com Telephone 380 44 247 69 78 Fax 380 44 494 49 32 Web www ua zyxel com Regular Mail ZyXEL Ukraine 13 Pimonenko Str Kiev 04050 Ukrain...

Page 113: ...ration file 30 36 connection status 32 contact information 107 copyright 103 customer support 107 D default configuration 24 default IP address 72 default login information 72 device defaults 72 devic...

Page 114: ...r 25 30 P password 24 26 63 changing 26 default 72 physical specifications 72 ping test 65 66 Point to Point Tunneling Protocol PPTP 45 pop up windows 23 port filtering 49 port forwarding 50 71 power...

Page 115: ...rough 45 W warranty 105 note 105 web configurator 25 advanced features 45 DHCP 44 diagnostics 64 home 25 login 23 maintanence 63 navigation 25 requirements 23 status 31 WLAN 54 WEP 53 55 WEP Wired Equ...

Page 116: ...Index P 974H HW Series User s Guide 116...

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