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Version 2.0, February 2012. Copyright

2012 Hitron Technologies

Version 2.0, February 2012. Copyright

2012 Hitron Technologies

HITRON CGN2 USER’S GUIDE

4.4.1

ADDING OR EDITING A PORT FORWARDING RULE



To add a new port forwarding rule, click

Add

in the

Firewall

Forwarding

screen.



To edit an existing port 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 rules.

The following screen displays.

Figure 20:

The Firewall > Forwarding > Add/Edit Screen

Cancel

Click this to return the fields in this screen to their last-

saved values without saving your changes.

Help

Click this to see information about the fields in this

screen.

Table 19:

The Firewall > Forwarding Screen (continued)

Содержание CGN2

Страница 1: ...USER S GUIDE CGN2 RESIDENTIAL CABLE MODEM VERSION 2 0 FEBRUARY 2012...

Страница 2: ...age 11 to quickly find information about a particular GUI screen or topic Use the Index page 110 to find information on a specific keyword Use the rest of this User s Guide to see in depth description...

Страница 3: ...could harm you or your device Product labels field labels field choices etc are in bold type For example A mouse click in the Graphical User Interface GUI is denoted by a right angle bracket For exam...

Страница 4: ...l 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 writing This Us...

Страница 5: ...his 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 interference by...

Страница 6: ...ust 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 are firm...

Страница 7: ...Overview 12 1 1 1 Key Features 13 1 2 Hardware Connections 14 1 3 LEDs 18 1 4 IP Address Setup 21 1 4 1 Manual IP Address Setup 22 1 5 Logging into the CGN2 23 1 6 GUI Overview 24 1 7 Resetting the C...

Страница 8: ...reen 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 1 4 Debug...

Страница 9: ...4 6 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 7...

Страница 10: ...53 Figure 16 The Firewall Firewall Options Screen 57 Figure 17 The Firewall Filter Setting Screen 59 Figure 18 The Firewall Filter Settings Add Edit Screen 63 Figure 19 The Firewall Forwarding Screen...

Страница 11: ...g 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 Screen 64 T...

Страница 12: ...ge 23 GUI Overview on page 24 Resetting the CGN2 on page 25 1 1 CGN2 OVERVIEW Your CGN2 is a NAT capable cable modem and wireless access point that allows you to connect your computers wireless device...

Страница 13: ...et 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 speed...

Страница 14: ...4 Version 2 0 February 2012 Copyright 2012 Hitron Technologies 14 HITRON CGN2 USER S GUIDE Settings backup and restore Secure configuration interface accessible by Web browser 1 2 HARDWARE CONNECTIONS...

Страница 15: ...Version 2 0 February 2012 Copyright 2012 Hitron Technologies 15 Version 2 0 February 2012 Copyright 2012 Hitron Technologies 15 HITRON CGN2 USER S GUIDE Figure 2 Hardware Connections...

Страница 16: ...the PBC button on your wireless clients in the coverage area within two minutes to enable them to join the wireless network See WPS on page 85 for more information Reset Use this button to reboot or...

Страница 17: ...hrough the LAN interfaces via the Samba protocol network neighborhood The CGN2 supports the following Windows file systems FAT16 FAT32 NTFS USB devices must not drain more than 500mA from the USB port...

Страница 18: ...USER S GUIDE 1 3 LEDS This section describes the CGN2 s LEDs lights CABLE Use this to connect to the Internet via an F type RF cable POWER Use this to connect to the 12v 2A power adapter that came wit...

Страница 19: ...Table 3 LEDs LED STATUS DESCRIPTION WIRELESS Off The wireless network is not enabled Green steady The wireless network is enabled and no data is being transmitted or received over the wireless network...

Страница 20: ...data Status Blinking The CGN2 s cable modem is registering with the service provider s CMTS On The CGN2 s cable modem has successfully registered with the service provider and is ready for data transf...

Страница 21: ...n IP address automatically The DHCP server is active by default If your computer is configured to get an IP address automatically or if you are not sure try to log in to the CGN2 see Logging into the...

Страница 22: ...ent 1 Click Start then click Control Panel 2 In the window that displays double click Network Connections 3 Right click your network connection usually Local Area Connection and click Properties 4 In...

Страница 23: ...You can log into the CGN2 s GUI via the wireless interface However it is strongly recommended that you configure the CGN2 via a wired connection on the LAN 1 Open a browser window 2 Enter the CGN2 s I...

Страница 24: ...e Primary Navigation Bar has its own chapter in this User s Guide items in the Secondary Navigation Bar have their own section within a chapter Table 4 GUI Overview Primary Navigation Bar Use this sec...

Страница 25: ...and the CGN2 is returned to its initial configuration state There are two ways to reset the CGN2 Press the RESET button on the CGN2 and hold it in for ten seconds or longer Click WAN LAN Backup In the...

Страница 26: ...e 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 concepts...

Страница 27: ...m 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 whi...

Страница 28: ...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 subnet...

Страница 29: ...figuration 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 known as...

Страница 30: ...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 since IP...

Страница 31: ...he service provider Routing mode is not user configurable it is specified by the service provider in the CGN2 s configuration file 2 1 7 CONFIGURATION FILES The CGN2 s configuration or config file is...

Страница 32: ...adrature 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 encod...

Страница 33: ...gning a unique orthogonal code to each user 2 2 THE SYSTEM INFO SCREEN Use this screen to see general information about your CGN2 s hardware its software and its connection to the Internet NOTE Most o...

Страница 34: ...Version 2 0 February 2012 Copyright 2012 Hitron Technologies 34 Version 2 0 February 2012 Copyright 2012 Hitron Technologies 34 HITRON CGN2 USER S GUIDE Figure 7 The Status System Info Screen...

Страница 35: ...gh the CATV connection Serial Number This displays a number that uniquely identifies the device RG Status This displays whether or not the CGN2 is in Residential Gateway RG mode When the CGN2 is in Re...

Страница 36: ...work 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 CGN2 is using Channel This di...

Страница 37: ...re occurred NOTE This screen displays when you first log in to the CGN2 Click Status Initialization The following screen displays Figure 8 The Status Initialization Screen Private LAN IP Address This...

Страница 38: ...on step Success displays when the CGN2 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 betwe...

Страница 39: ...en CM Configuration File Name This displays the name of the configuration file that the CGN2 downloaded from your service provider This file provides the CGN2 with the service parameter data that it n...

Страница 40: ...less you have a good reason to do so Downstream NOTE The downstream signal is the signal transmitted to the CGN2 Frequency MHz This displays the actual frequency in Megahertz MHz of each downstream da...

Страница 41: ...V This displays the transmitted power of the signal of each upstream data channel to which the CGN2 is connected in dBmV decibels above below 1 millivolt Channel ID This displays the ID number of each...

Страница 42: ...ork is already using another router Table 10 The Status Password Screen Enter Current Password Enter the password with which you currently log into the CGN2 Enter New Password Enter and re enter the p...

Страница 43: ...eselect the checkbox to disable them HNAP Select the checkbox to enable the CGN2 s Home Network Administration Protocol features or deselect the checkbox to disable them USB Select the checkbox to ena...

Страница 45: ...D 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 CGN2 s LAN consists of all the computers and o...

Страница 46: ...he website s server has changed Similarly the CGN2 allows you to define a Domain Suffix to the LAN When you enter the domain suffix into your browser you can reach the CGN2 no matter what IP address i...

Страница 47: ...about the CGN2 s connection to the WAN Enable or disable manual DNS assignment Define DNS servers for manual DNS assignment Configure the CGN2 s LAN IP address subnet mask and domain suffix Configure...

Страница 48: ...AN 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 CGN2 s IP address on the WAN Wide Area Network i...

Страница 49: ...ress of the CGN2 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 can ent...

Страница 50: ...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 This...

Страница 51: ...s 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 USB d...

Страница 52: ...N Use this screen to back up your CGN2 s settings to your computer to load settings from a backup you created earlier to reboot your CGN2 or to return it to its factory default settings Click WAN LAN...

Страница 53: ...settings on your computer Restore Settings Locally Use these fields to return your CGN2 s settings to those specified in a backup that you created earlier Click Choose File to select a backup then cli...

Страница 54: ...age 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 technique...

Страница 55: ...as a unique Media Access Control MAC address that identifies it on the network When you enable MAC address filtering on the CGN2 s firewall you can set up a list of MAC addresses and then specify whet...

Страница 56: ...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 CGN2 scans outgoing traffic from t...

Страница 57: ...turn the firewall off NOTE It is strongly recommended that you enable the CGN2 s firewall unless LAN protection is provided by another device or software Intrusion Detection System Select this to tur...

Страница 58: ...ou can set the CGN2 to allow only certain devices to access the CGN2 and the network or to deny certain devices access NOTE To see a list of all the computers connected to the CGN2 on the LAN click th...

Страница 59: ...Version 2 0 February 2012 Copyright 2012 Hitron Technologies 59 Version 2 0 February 2012 Copyright 2012 Hitron Technologies 59 HITRON CGN2 USER S GUIDE Figure 17 The Firewall Filter Setting Screen...

Страница 60: ...fied 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 Addres...

Страница 61: ...you want to permit or deny access to the CGN2 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 that y...

Страница 62: ...pe 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 not...

Страница 63: ...t button NOTE Ensure that the Disabled checkbox is deselected in order to add or edit IP filtering rules The following screen displays Figure 18 The Firewall Filter Settings Add Edit Screen Delete Sel...

Страница 64: ...e CGN2 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 fie...

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

Страница 66: ...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 fo...

Страница 67: ...warding 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 rules...

Страница 68: ...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 the...

Страница 69: ...een 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 to s...

Страница 70: ...ens 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 disab...

Страница 71: ...iggering 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 you w...

Страница 72: ...rotocol Use this field to specify whether the CGN2 should activate this trigger when it detects activity via Transmission Control Protocol TCP User Datagram Protocol UDP Transmission Control Protocol...

Страница 73: ...t 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 CGN2 on the LAN...

Страница 74: ...ail 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 screens...

Страница 75: ...REEN 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 at cert...

Страница 76: ...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 which use...

Страница 77: ...lter 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 Apply C...

Страница 78: ...ek 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 the websi...

Страница 79: ...ered 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 following scre...

Страница 80: ...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 sent Sender...

Страница 81: ...adio 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 removed...

Страница 82: ...ht 2012 Hitron Technologies 82 HITRON CGN2 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 information...

Страница 83: ...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 CGN2 s wireless network is part of the Local Area Net...

Страница 84: ...the CGN2 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 includin...

Страница 85: ...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 CGN2 allows users...

Страница 86: ...ltiMedia 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 highest...

Страница 87: ...ireless Setup The following screen displays Figure 28 The Wireless Setup Screen The following table describes the labels in this screen Table 27 The Wireless Setup Screen Wireless Basic Settings Wirel...

Страница 88: ...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 default...

Страница 89: ...creen that displays enter the WPS PIN that you want to use for the CGN2 or the WPS PIN of the client device you want to add to the network Figure 29 WPS PIN WPS Current Status This displays whether or...

Страница 90: ...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 Select t...

Страница 91: ...use the CGN2 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 CGN2 to use as its def...

Страница 92: ...w clients using either encryption type to connect to the CGN2 Group Key Update Interval Enter the frequency in seconds with which you want the CGN2 to create new pre shared keys and issue them to the...

Страница 93: ...g on the wired LAN see The Filter Setting Screen on page 57 You can set the CGN2 to allow only certain devices to access the CGN2 and the network wirelessly or to deny certain devices access Click Wir...

Страница 94: ...ork 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 CGN2 and the network wire...

Страница 95: ...to associate with a network device that you want to permit or deny access to the CGN2 and the network wirelessly NOTE This name is arbitrary and does not affect functionality in any way MAC Address Sp...

Страница 96: ...Version 2 0 February 2012 Copyright 2012 Hitron Technologies 96 Version 2 0 February 2012 Copyright 2012 Hitron Technologies 96 HITRON CGN2 USER S GUIDE Figure 31 The Wireless Advanced Screen...

Страница 97: ...ink 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 Request To...

Страница 98: ...tions such as online gaming IGMP snooping allows the CGN2 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 comput...

Страница 99: ...nnel 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 or ot...

Страница 100: ...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 to c...

Страница 101: ...g 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 Direction Gr...

Страница 102: ...nsmit information the required retransmission will be much longer Decline BA Request Use this field to control how the CGN2 receives acknowledgement ACK requests in IEEE 802 11n transmissions Select D...

Страница 103: ...en The following screen displays Figure 32 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 goo...

Страница 104: ...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 again th...

Страница 105: ...ry 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 with...

Страница 106: ...rtunity 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 This...

Страница 107: ...the power adaptor is connected to the CGN2 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 cir...

Страница 108: ...ateway and enter it in your browser s address bar 4 If you still cannot access the CGN2 you need to reset the CGN2 See Resetting the CGN2 on page 25 All user configured data is lost and the CGN2 is re...

Страница 109: ...provider may have disabled your Internet access check 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 th...

Страница 110: ...7 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 37...

Страница 111: ...interface 12 GUI 12 24 GUI overview 24 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 add...

Страница 112: ...ess 12 O open system authentication 91 overview GUI 24 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 port...

Страница 113: ...ream 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 Wide...

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