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WAN/LAN

Version 2.0, February 2012. Copyright

2012 Hitron Technologies

Version 2.0, February 2012. Copyright

2012 Hitron Technologies

HITRON CGN USER’S GUIDE

3.2

THE IP SCREEN

Use this screen to:



View information about the CGN’s connection to the WAN



Enable or disable manual DNS assignment



Define DNS servers for manual DNS assignment



Configure the CGN’s LAN IP address, subnet mask and domain suffix



Configure the CGN’s internal DHCP server



Define how the CGN assigns IP addresses on the LAN



See information about the network devices connected to the CGN on the LAN.

Click

WAN/LAN

. The following screen displays.

Summary of Contents for CGN01A

Page 1: ...USER S GUIDE CGN RESIDENTIAL CABLE MODEM VERSION 2 0 FEBRUARY 2012...

Page 2: ...able of Contents page 7 List of Figures page 10 and List of Tables page 11 to quickly find information about a particular GUI screen or topic Use the Index page 112 to find information on a specific k...

Page 3: ...rmation on a subject Warnings provide information about actions that could harm you or your device Product labels field labels field choices etc are in bold type For example A mouse click in the Graph...

Page 4: ...ologies All rights reserved All trademarks and registered trademarks used are the properties of their respective owners DISCLAIMER The information in this User s Guide is accurate at the time of writi...

Page 5: ...If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interferenc...

Page 6: ...tter must not be co located or operating in conjunction with any other antenna or transmitter The availability of some specific channels and or operational frequency bands are country dependent and ar...

Page 7: ...2 1 1 CGN Overview 12 1 1 1 Key Features 13 1 2 Hardware Connections 14 1 3 LEDs 17 1 4 IP Address Setup 20 1 4 1 Manual IP Address Setup 21 1 5 Logging into the CGN 22 1 6 GUI Overview 23 1 7 Resetti...

Page 8: ...Status Screen 38 2 5 The Password Screen 41 2 6 The Capability Screen 42 WAN LAN 45 3 1 WAN LAN Overview 45 3 1 1 WAN and LAN 45 3 1 2 LAN IP Addresses and Subnets 46 3 1 3 DNS and Domain Suffix 46 3...

Page 9: ...The DMZ Screen 72 Parental Control 74 5 1 Parental Control Overview 74 5 1 1 Website Blocking 74 5 2 The Website Blocking Screen 75 5 3 The Scheduling Screen 77 5 4 The Email Syslog Alert Screen 79 W...

Page 10: ...ure 15 The Firewall Firewall Options Screen 57 Figure 16 The Firewall Filter Setting Screen 59 Figure 17 The Firewall Filter Settings Add Edit Screen 63 Figure 18 The Firewall Forwarding Screen 65 Fig...

Page 11: ...AN Debug Screen 52 Table 15 The LAN Backup Screen 53 Table 16 The Firewall Firewall Options Screen 57 Table 17 The Firewall Filter Setting Screen 60 Table 18 The Firewall Filter Settings Add Edit Scre...

Page 12: ...N on page 22 GUI Overview on page 23 Resetting the CGN on page 24 1 1 CGN OVERVIEW Your CGN is a NAT capable cable modem and wireless access point that allows you to connect your computers wireless de...

Page 13: ...thernet ports Dynamic Host Configuration Protocol DHCP for devices on the LAN LAN troubleshooting tools Ping and Traceroute IEEE 802 11b g n wireless MIMO Multiple In Multiple Out networking allowing...

Page 14: ...logies 14 Version 2 0 February 2012 Copyright 2012 Hitron Technologies 14 HITRON CGN USER S GUIDE Settings backup and restore Secure configuration interface accessible by Web browser 1 2 HARDWARE CONN...

Page 15: ...INTRODUCTION Version 2 0 February 2012 Copyright 2012 Hitron Technologies 15 Version 2 0 February 2012 Copyright 2012 Hitron Technologies 15 HITRON CGN USER S GUIDE Figure 2 Hardware Connections...

Page 16: ...or more than five seconds to delete all user configured settings and restart the CGN using its factory default settings See Resetting the CGN on page 24 for more information on resetting the CGN NOTE...

Page 17: ...2012 Copyright 2012 Hitron Technologies 17 HITRON CGN USER S GUIDE 1 3 LEDS This section describes the CGN s LEDs lights CABLE Use this to connect to the Internet via an F type RF cable POWER Cable mo...

Page 18: ...curity such as failed to find any partner or protocol prematurely aborted Session Overlap Detected Protocol detected overlapping operation could be a security risk Orange blinking The protocol is sear...

Page 19: ...ted to the relevant LAN port via a Fast Ethernet 10 100Mbps link but is not transmitting or receiving data Blue blinking A device is connected to the relevant LAN port via a Gigabit Ethernet 1000Mbps...

Page 20: ...with the CGN NOTE See IP Addresses and Subnets on page 27 for background information The CGN has a built in DHCP server that when active assigns IP addresses to computers on the LAN When the DHCP ser...

Page 21: ...ults If you do not know the CGN s new address you should return it to its factory defaults See Resetting the CGN on page 24 Bear in mind that ALL user configured settings are lost 1 4 1 MANUAL IP ADDR...

Page 22: ...your CGN is not using the default IP address enter an IP address and subnet mask that places your computer in the same subnet as the CGN 6 Click OK The Internet Protocol TCP IP window closes In the Lo...

Page 23: ...S GUIDE Figure 4 Login 3 Enter the Username and Password The default login username is cusadmin and the default password is password NOTE The Username and Password are case sensitive password is not t...

Page 24: ...E CGN When you reset the CGN to its factory defaults all user configured settings are lost and the CGN is returned to its initial configuration state There are two ways to reset the CGN Press the RESE...

Page 25: ...echnologies 25 HITRON CGN USER S GUIDE Click WAN LAN Backup In the screen that displays click the Factory Reset button The CGN turns off and on again using its factory default settings NOTE Depending...

Page 26: ...page 33 The Initialization Screen on page 37 The CM Status Screen on page 38 The Password Screen on page 41 The Capability Screen on page 42 2 1 CABLE OVERVIEW This section describes some of the conce...

Page 27: ...ximum value of 255 An IP address carries two basic pieces of information the network number the address of the network as a whole analogous to a street name and the host ID analogous to a house number...

Page 28: ...f the computers at one corporate local office for example while the main network includes several offices In order to define the extent of a subnet and to differentiate it from the main network a subn...

Page 29: ...Configuration Protocol or DHCP defines the process by which IP addresses can be assigned to computers and other networking devices automatically from another device on the network This device is know...

Page 30: ...ases cannot be changed although some devices are capable of MAC spoofing where they impersonate another device s MAC address MAC addresses are the most reliable way of identifying network devices sinc...

Page 31: ...the service provider Routing mode is not user configurable it is specified by the service provider in the CGN s configuration file 2 1 7 CONFIGURATION FILES The CGN s configuration or config file is...

Page 32: ...Quadrature Amplitude Modulation In many cases a number precedes the modulation type for example 16 QAM This number refers to the complexity of modulation The higher the number the more data can be en...

Page 33: ...assigning a unique orthogonal code to each user 2 2 THE SYSTEM INFO SCREEN Use this screen to see general information about your CGN s hardware its software and its connection to the Internet NOTE Mos...

Page 34: ...STATUS Version 2 0 February 2012 Copyright 2012 Hitron Technologies 34 Version 2 0 February 2012 Copyright 2012 Hitron Technologies 34 HITRON CGN USER S GUIDE Figure 6 The Status System Info Screen...

Page 35: ...through the CATV connection Serial Number This displays a number that uniquely identifies the device RG Status This displays whether or not the CGN is in Residential Gateway RG mode When the CGN is in...

Page 36: ...network s Service Set Identifier This is the name of the wireless network to which wireless clients connect Wireless Mode This displays the type of wireless network that the CGN is using Channel This...

Page 37: ...failure occurred NOTE This screen displays when you first log in to the CGN Click Status Initialization The following screen displays Figure 7 The Status Initialization Screen Private LAN IP Address T...

Page 38: ...ection step Success displays when the CGN has completed a connection step 2 4 THE CM STATUS SCREEN Use this screen to discover information about The nature of the upstream and downstream connection be...

Page 39: ...Screen CM Configuration File Name This displays the name of the configuration file that the CGN downloaded from your service provider This file provides the CGN with the service parameter data that it...

Page 40: ...l unless you have a good reason to do so Downstream NOTE The downstream signal is the signal transmitted to the CGN Frequency MHz This displays the actual frequency in Megahertz MHz of each downstream...

Page 41: ...dBmV This displays the transmitted power of the signal of each upstream data channel to which the CGN is connected in dBmV decibels above below 1 millivolt Channel ID This displays the ID number of e...

Page 42: ...network is already using another router Table 10 The Status Password Screen Enter Current Password Enter the password with which you currently log into the CGN Enter New Password Enter and re enter th...

Page 43: ...r deselect the checkbox to disable them HNAP Select the checkbox to enable the CGN s Home Network Administration Protocol features or deselect the checkbox to disable them USB Select the checkbox to e...

Page 45: ...WAN AND LAN A Local Area Network LAN is a network of computers and other devices that usually occupies a small physical area a single building for example Your CGN s LAN consists of all the computers...

Page 46: ...of the website s server has changed Similarly the CGN allows you to define a Domain Suffix to the LAN When you enter the domain suffix into your browser you can reach the CGN no matter what IP addres...

Page 47: ...mation about the CGN s connection to the WAN Enable or disable manual DNS assignment Define DNS servers for manual DNS assignment Configure the CGN s LAN IP address subnet mask and domain suffix Confi...

Page 48: ...WAN LAN IP Screen The following table describes the labels in this screen Table 12 The WAN LAN IP Screen WAN Information WAN Address This field displays the CGN s IP address on the WAN Wide Area Netwo...

Page 49: ...IP address of the CGN on the LAN Subnet Mask Use this field to define the LAN subnet Use dotted decimal notation for example 255 255 255 0 Domain Suffix Use this field to define the domain that you ca...

Page 50: ...s assigning IP addresses to devices on the LAN when DHCP is enabled NOTE Devices requesting IP addresses once the DHCP pool is exhausted are not assigned an IP address Connected Computers Host Name Th...

Page 51: ...lays the index number of the connected USB device When no USB device is connected no number displays in this column Name This field displays the identifying name of the connected USB device When no US...

Page 52: ...CREEN Use this screen to back up your CGN s settings to your computer to load settings from a backup you created earlier to reboot your CGN or to return it to its factory default settings Click WAN LA...

Page 53: ...GN s settings on your computer Restore Settings Locally Use these fields to return your CGN s settings to those specified in a backup that you created earlier Click Choose File to select a backup then...

Page 54: ...on page 69 The DMZ Screen on page 72 4 1 FIREWALL OVERVIEW This section describes some of the concepts related to the Firewall screens 4 1 1 FIREWALL The term firewall comes from a construction techn...

Page 55: ...ice has a unique Media Access Control MAC address that identifies it on the network When you enable MAC address filtering on the CGN s firewall you can set up a list of MAC addresses and then specify...

Page 56: ...you need to open for a particular application consult that application s documentation 4 1 7 PORT TRIGGERING Port triggering is a means of automating port forwarding The CGN scans outgoing traffic fr...

Page 57: ...is to turn the firewall off NOTE It is strongly recommended that you enable the CGN s firewall unless LAN protection is provided by another device or software Intrusion Detection System Select this to...

Page 58: ...e 93 You can set the CGN to allow only certain devices to access the CGN and the network or to deny certain devices access NOTE To see a list of all the computers connected to the CGN on the LAN click...

Page 59: ...EWALL Version 2 0 February 2012 Copyright 2012 Hitron Technologies 59 Version 2 0 February 2012 Copyright 2012 Hitron Technologies 59 HITRON CGN USER S GUIDE Figure 16 The Firewall Filter Setting Scre...

Page 60: ...pecified devices are denied access Allow Table up to 16 Items This displays the index number assigned to the permitted device Device Name This displays the name you gave to the permitted device MAC Ad...

Page 61: ...that you want to permit or deny access to the CGN and the network NOTE This name is arbitrary and does not affect functionality in any way MAC Address Specify the MAC address of the network device tha...

Page 62: ...e type of communications that are not permitted TCP displays if communications via the Transmission Control Protocol are not permitted UDP displays if communications via the User Datagram Protocol are...

Page 63: ...Edit button NOTE Ensure that the Disabled checkbox is deselected in order to add or edit IP filtering rules The following screen displays Figure 17 The Firewall Filter Settings Add Edit Screen Delete...

Page 64: ...er the CGN should block communication via Transmission Control Protocol TCP User Datagram Protocol UDP Both TCP and UDP NOTE If in doubt leave this field at its default Both IP Address Range Use these...

Page 65: ...The following screen displays Figure 18 The Firewall Forwarding Screen The following table describes the labels in this screen Table 19 The Firewall Forwarding Screen All Port Forwarding Rules Use th...

Page 66: ...ESP IP Address This displays the IP address of the computer on the LAN to which traffic conforming to the Public Port Range and Protocol conditions is forwarded Enable Use this field to turn each port...

Page 67: ...forwarding rule select the rule s radio button in the Firewall Forwarding screen and click the Edit button NOTE Ensure that the Disabled checkbox is disabled in order to add or edit port forwarding r...

Page 68: ...ivate Port Range Use these fields to specify the ports to which the received traffic should be forwarded Enter the start port number in the first field The number of ports must match that specified in...

Page 69: ...screen Apply Click this to save your changes to the fields in this screen Cancel Click this to return the fields in this screen to their last saved values without saving your changes Help Click this...

Page 70: ...opens the Target ports that it should close them Enable Use this field to turn each port triggering rule on or off Select this checkbox to enable the port triggering rule Deselect this checkbox to dis...

Page 71: ...t Triggering Add Edit Screen The following table describes the labels in this screen Table 22 The Firewall Port Triggering Add Edit Screen Application Name Enter a name for the application for which y...

Page 72: ...lds Protocol Use this field to specify whether the CGN should activate this trigger when it detects activity via Transmission Control Protocol TCP User Datagram Protocol UDP Transmission Control Proto...

Page 73: ...select the checkbox to disable the DMZ Computers that were previously in the DMZ are now on the LAN Connected Computers Click this to see a list of the computers currently connected to the CGN on the...

Page 74: ...7 The Email Syslog Alert Screen on page 79 5 1 PARENTAL CONTROL OVERVIEW This section describes some of the concepts related to the Parental Control screens 5 1 1 WEBSITE BLOCKING The Parental Control...

Page 75: ...CKING SCREEN Use this screen to block access from the LAN to certain websites You can also specify trusted computers which are not subject to the blocking filter NOTE To apply the blocking filter only...

Page 76: ...mple org www someotherwebsite com example and so forth Click Add to add the URL or keyword to the Blocked Key Words URLs list Blocked Key Words URLs This displays the list of websites and keywords to...

Page 77: ...cking filter use the Parent Control Web Site Blocking screen Click Parent Control Scheduling The following screen displays Clear List Click this to delete all the computers MAC addresses from the list...

Page 78: ...f the week on which you want the website blocking filter to be in effect Time of Day Use these fields to control the time that the website blocking filter should be in effect Select All Day to apply t...

Page 79: ...is triggered and to define the time at which emails should be sent and or log entries created The firewall must be enabled for alerts to be triggered Click Parent Control Email Syslog Alert The follow...

Page 80: ...ation of the transmitting email server and the email address from which admin emails appear to originate SMTP Server Address Enter the address of the email server from which admin emails should be sen...

Page 81: ...ct its radio button and click Edit The screen that displays is the same as the Add Target Email Address screen To remove an email address select its radio button and click Delete The email address is...

Page 82: ...2 Copyright 2012 Hitron Technologies 82 HITRON CGN USER S GUIDE Cancel Click this to return the fields in this screen to their last saved values without saving your changes Help Click this to see info...

Page 83: ...reen on page 95 6 1 WIRELESS OVERVIEW This section describes some of the concepts related to the Wireless screens 6 1 1 WIRELESS NETWORKING BASICS Your CGN s wireless network is part of the Local Area...

Page 84: ...but the CGN supports the following in order of adoption old to new and data transfer speeds low to high IEEE 802 11b IEEE 802 11g IEEE 802 11n 6 1 4 SERVICE SETS AND SSIDS Each wireless network inclu...

Page 85: ...es of WEP There are two types of WPA the enterprise version known simply as WPA requires the use of a central authentication database server whereas the personal version supported by the CGN allows us...

Page 86: ...i MultiMedia WMM is a Quality of Service QoS enhancement that allows prioritization of certain types of data over the wireless network WMM provides four data type classifications in priority order hig...

Page 87: ...ck Wireless Setup The following screen displays Figure 27 The Wireless Setup Screen The following table describes the labels in this screen Table 27 The Wireless Setup Screen Wireless Basic Settings W...

Page 88: ...g and 802 11N 11B G N Mixed use IEEE 802 11b 802 11g and 802 11N NOTE Only wireless clients that support the network protocol you select can connect to the wireless network If in doubt use 11B G N def...

Page 89: ...the screen that displays enter the WPS PIN that you want to use for the CGN or the WPS PIN of the client device you want to add to the network Figure 28 WPS PIN WPS Current Status This displays wheth...

Page 90: ...This field is user configurable for the Primary SSID only WMM Mode Select the checkbox if you want to apply Wifi MultiMedia WMM Quality of Service QoS settings to this SSID Wireless Security SSID Sele...

Page 91: ...EP key use the CGN s default key Enter the keys in hexadecimal format using the digits 0 9 and the letters A F Default WEP Key Select the number of the security key that you want the CGN to use as its...

Page 92: ...allow clients using either encryption type to connect to the CGN Group Key Update Interval Enter the frequency in seconds with which you want the CGN to create new pre shared keys and issue them to th...

Page 93: ...tering on the wired LAN see The Filter Setting Screen on page 57 You can set the CGN to allow only certain devices to access the CGN and the network wirelessly or to deny certain devices access Click...

Page 94: ...etwork wirelessly All other devices are denied access Select Deny to permit all devices except those with the MAC addresses you set up in the Wireless Control List to access the CGN and the network wi...

Page 95: ...name to associate with a network device that you want to permit or deny access to the CGN and the network wirelessly NOTE This name is arbitrary and does not affect functionality in any way MAC Addres...

Page 96: ...WIRELESS Version 2 0 February 2012 Copyright 2012 Hitron Technologies 96 Version 2 0 February 2012 Copyright 2012 Hitron Technologies 96 HITRON CGN USER S GUIDE Figure 30 The Wireless Advanced Screen...

Page 97: ...he link to 802 11g clients can deteriorate due to the presence of the 802 11b clients Because 802 11b and 802 11g use different modulation techniques 802 11b clients do not understand 802 11g s Reques...

Page 98: ...plications such as online gaming IGMP snooping allows the CGN to snoop or listen in on IGMP traffic and to determine which computers on the LAN belong to which IGMP groups By keeping lists of which co...

Page 99: ...channel In greenfield mode the 802 11a b g stations are unable to tell when 802 11n transmissions are occurring You should select this mode only if there are no 802 11a b g stations in your network o...

Page 100: ...for transmission over telephone lines is known as a symbol Select Long to use a long guard interval of 800 nanoseconds Select Short to use a short guard interval of 400 nanoseconds MCS Use this field...

Page 101: ...eiving station to transmit data back to the initiating station for the remaining time specified in the original TXOP It does not need to acquire its own TXOP Select Disable to disallow Reverse Directi...

Page 102: ...etransmit information the required retransmission will be much longer Decline BA Request Use this field to control how the CGN receives acknowledgement ACK requests in IEEE 802 11n transmissions Selec...

Page 103: ...screen The following screen displays Figure 31 The Wireless Advanced WMM Configuration Screen NOTE It is strongly recommended that you do not change the default values in this screen unless you have a...

Page 104: ...n a data collision occurs each frame is assigned a random time to wait before attempting transmission again This random time value is between zero and the data s CWMin value If a collision occurs agai...

Page 105: ...tegory AC AC_VO This row controls the Voice VO Access Category AC AIFSN This column controls the Arbitration Inter Frame Space Number for each Access Category WMM gives the highest priority to the AC...

Page 106: ...Opportunity TXOP length for each Access Category This is the length of time during which the wireless device may to transmit over the wireless network once it receives a transmission opportunity ACM T...

Page 107: ...cted to the CGN and the wall socket or other power source correctly 3 Ensure that the power source is functioning correctly Replace any broken fuses or reset any tripped circuit breakers 4 Disconnect...

Page 108: ...not access the CGN you need to reset the CGN See Resetting the CGN on page 24 All user configured data is lost and the CGN is returned to its default settings If you previously backed up a more recent...

Page 109: ...heck the Cable System Info screen s Network Access field see The System Info Screen on page 33 Problem I Cannot Connect My Wireless Device 1 Ensure that your wireless client device is functioning prop...

Page 110: ...ed by turning the equipment off and on the user is encouraged to try to correct the interference by one of the following measures Reorient or relocate the receiving antenna Increase the separation bet...

Page 111: ...ght 2012 Hitron Technologies 111 HITRON CGN USER S GUIDE IMPORTANT NOTE FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled enviro...

Page 112: ...97 buttons 14 C cable connection 12 cable connection status 37 cable modem 12 CATV 13 26 27 cipher type 92 clients wireless 83 configuration file 31 39 connection process 38 connection status cable 3...

Page 113: ...r interface 12 GUI 12 23 GUI overview 23 H hardware 14 HNAP 43 host ID 27 HT mode 98 I IANA 27 ICMP 56 72 IEEE 802 11b g n 13 84 IGMP snooping 98 interface user 12 intrusion detection 13 55 56 72 IP a...

Page 114: ...eless 12 O open system authentication 91 overview GUI 23 P parental control 13 74 password 41 42 108 password and username 23 PBC configuration 85 PIN configuration 13 85 ping 13 46 50 51 55 56 72 por...

Page 115: ...pstream transmission 31 URL blocking 76 US 20 user interface 12 username 108 username and password 23 W WAN 12 27 WAN connection 38 website blocking 74 75 79 website blocking scheduled 13 WEP 13 85 Wi...

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