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177 

SMCD3GNV Wireless Cable Modem Gateway User Manual 

Restoring or Rebooting the Gateway 

The Restore / Reboot Gateway  menu provides buttons for performing the following activities: 

 

RESET - restarts the Gateway while keeping any overrides you made to the Gateway’s 
factory default settings.  

 

RESET WI-FI Router - resets the Wi-Fi router without affecting the Gateway. 

 

RESTORE WI-FI SETTINGS – returns the Gateway to its factory default WiFI settings. 
Settings that are not related to the Gateway’s wireless operation are not changed. 

 

RESTORE FACTORY SETTINGS - returns the Gateway to its factory default settings. 
Any overrides you  made to the default settings will be re moved. This button in 
functionally equivalent to using the reset button to reset the Gateway (see “Using the 
Reset Button” on page 17). 

To display the Network Diagnostic Tools menu, click Troubleshooting > Restore/Reboot 
Gateway in the menu bar. Figure 103 shows an example of the  menu. 

 

Figure 103. Example of the Restore / Reboot Gateway Menu 

Содержание SMCD3GNV3

Страница 1: ...3 User Manual Comcast Wireless Cable Modem Gateway FastFind Links Getting to Know the Gateway Installing the Gateway Preconfiguration Guidelines Configuring the Gateway Configuring the Gateway s mso I...

Страница 2: ...press written permission of SMC Microsoft and Windows are registered trademarks of Microsoft Corporation Apple and Macintosh are registered trademarks of Apple Inc All other brands product names trade...

Страница 3: ...attery 20 Connecting to the LAN 21 Connecting the WAN 22 Connecting to the Public Telephone Network 22 Powering on the Gateway 23 3 Preconfiguration Guidelines 24 Configuring Your Computer for TCP IP...

Страница 4: ...iewing Battery Settings 57 Viewing LAN Ethernet Settings 58 Viewing Wi Fi Settings 59 Configuring Your Home Network 60 Working with Connected Devices 64 Manually Adding Computers with Static IP Addres...

Страница 5: ...orking with Connected Devices 135 Manually Adding Computers with Static IP Addresses 136 Manually Adding Wireless Clients 139 Configuring Parental Controls 142 Blocking Sites and Keywords and Selectin...

Страница 6: ...s from the Internet 194 Slow Web Browsing 195 Unable to Configure Port Forwarding 195 Unable to Use Pass thru VPN 195 Gateway is Not Passing DHCP Address to a computer 195 Determining a Computer s MAC...

Страница 7: ...wired and wireless solution for the home or business environment SMC is proud to provide you with a powerful yet simple communication device for connecting your local area network LAN to the Internet...

Страница 8: ...og phone connections IEEE 802 11 b g n interoperability with multiple vendors Wireless WEP WPA and WPA2 encryption Hide SSID and MAC Filtering VPN pass through support using PPTP L2TP or IPSec Advance...

Страница 9: ...Gateway lists the Gateway s specifications contains compliance information Document Conventions This document uses the following conventions to draw your attention to certain information Safety and W...

Страница 10: ...a placeholder for actual text provided by the user or system Angled brackets are also used to indicate variables screen code Indicates text that is displayed on screen or entered by the user angled b...

Страница 11: ...ess Cable Modem Gateway check the package contents and become familiar with the Gateway s front and back panels The topics covered in this chapter are Unpacking Package Contents page 12 System Require...

Страница 12: ...tact your cable service provider Keep the carton including the original packing material in case you need to store the product or return it System Requirements To complete your installation you will n...

Страница 13: ...e Modem Gateway contains a set of light emitting diode LED indicators These LEDs show the status of the Gateway and simplify troubleshooting Figure 1 shows the front panel of the SMCD3GNV3 Wireless Ca...

Страница 14: ...hite Blinking cable interface is acquiring IP ToD CM configuration ON Gateway is operational OFF Gateway is offline WiFi White Blinking data is transmitting over the Gateway s Wi Fi interface ON Wi Fi...

Страница 15: ...2 SMCD3GNV3 Wireless Cable Modem Gateway Rear Panel Components Item Description Reset button Use this button to reset the power or restore the default factory settings see Using the Reset Button on p...

Страница 16: ...or configuring wireless security automatically Figure 3 shows the WPS button Figure 3 Top View of the SMCD3GNV3 Wireless Cable Modem Gateway Bottom Panel The bottom panel of your SMCD3GNV3 Wireless Ca...

Страница 17: ...reset button determines which reset operation is performed To protect against accidental resets the reset button is recessed on the Gateway rear panel Note You can also reset the Gateway and retain it...

Страница 18: ...y This chapter describes how to install your SMCD3GNV3 Wireless Cable Modem Gateway The topics covered in this chapter are Finding a Suitable Location page 19 Installing a Battery page 20 Connecting t...

Страница 19: ...ides and top of the Gateway to provide sufficient air flow around the device Not expose the Gateway to a dusty or wet environment Be an elevated location such as a high shelf keeping the number of wal...

Страница 20: ...ve battery compartment door on the bottom panel and set it aside see Figure 4 Figure 4 Removing the Battery Compartment Door 3 Insert the battery into the battery compartment see Figure 5 Figure 5 Ins...

Страница 21: ...her a standard straight through or crossover Ethernet cable 1 Connect either end of an Ethernet cable to one of the four Ethernet ports on the rear panel of the Gateway see Figure 6 Figure 6 Connectin...

Страница 22: ...o each RJ 11 port is limited by the total Ringing Load of the telephone devices that are connected Many telephone devices are marked with a Ringer Equivalent Number REN Each telephone port on the Gate...

Страница 23: ...rt on the rear panel of the Gateway see Figure 2 on page 15 2 Connect the other end of the power adapter to a working power outlet The Gateway powers on automatically the POWER LED on the front panel...

Страница 24: ...computer that will be used to configure the Gateway This chapter also covers other preconfiguration guidelines you should review before configuring the Gateway The topics covered in this chapter are...

Страница 25: ...oft Windows 7 see page 30 For Apple Macintosh see page 33 Configuring Microsoft Windows 2000 Use the following procedure to configure your computer if your computer has Microsoft Windows 2000 installe...

Страница 26: ...9 Restart your computer Configuring Microsoft Windows XP Use the following procedure to configure your computer if your computer has Microsoft Windows XP installed If you use the Classic interface whe...

Страница 27: ...following procedure to configure a computer running Microsoft Windows Vista with the default interface If you use the Classic interface where the icons and menus resemble previous Windows versions per...

Страница 28: ...r Manual Figure 10 Local Area Connection Properties Window 6 In the Internet Protocol Version 4 Properties dialog box click Obtain an IP address automatically to configure your computer for DHCP see F...

Страница 29: ...SMCD3GNV Wireless Cable Modem Gateway User Manual 7 Click the OK button to save your changes and close the dialog box 8 Click the OK button again to save your changes Figure 12 Local Area Connection...

Страница 30: ...n the Start menu search box type ncpa cpl Figure 13 Typing ncpa cpl in the Start Menu Box The Network Connections List appears Figure 14 Example of Network Connections List 2 Right click the Local Are...

Страница 31: ...ireless Cable Modem Gateway User Manual Figure 15 Local Area Network Connection Properties Dialog Box 4 In the properties dialog box click Obtain an IP address automatically to configure your computer...

Страница 32: ...ding 1 32 SMCD3GNV Wireless Cable Modem Gateway User Manual Figure 16 Properties Window 5 Click the OK button to save your changes and close the dialog box 6 Click the OK button again to save your cha...

Страница 33: ...ee may differ slightly from the following However you should still be able to use this procedure as a guide to configuring your Apple Macintosh for TCP IP 1 Pull down the Apple Menu click System Prefe...

Страница 34: ...l Area Network LAN Settings dialog box appears 5 In the Local Area Network LAN Settings dialog box uncheck all check boxes 6 Click OK until the Internet Options window appears 7 In the Internet Option...

Страница 35: ...le any firewall or security software that may be running on your computer For more information refer to the documentation for your firewall After you configure the Gateway please re enable your comput...

Страница 36: ...idelines in Chapter 3 use that computer s Web browser to configure your SMCD3GNV3 Gateway This chapter describes how to use your computer s Web browser to configure the Gateway The topics covered in t...

Страница 37: ...he SMCD3GNV3 Wireless Cable Modem Gateway s Web based management screens use the following procedure 1 Launch a Web browser Note Your computer does not have to be online to configure the Gateway 2 In...

Страница 38: ...Figure 19 If the displayed information exceeds the main area scroll bars appear to the right of the main area so you can scroll up and down through the information The top of the main area shows the p...

Страница 39: ...s in the menu bar have submenus associated with them If you click a menu that has submenus the submenus appear below the menu For example if you click the Connection menu the submenus in Figure 20 app...

Страница 40: ...downstream and upstream information 46 Connection Local IP Network View and reset your local IPv4 and IPv6 settings 47 Connection WiFi View and edit the Gateway s basic and advanced wireless settings...

Страница 41: ...anced Port Forwarding Enable or disable the Gateway s port forwarding feature 84 Advanced Port Triggering Enable or disable the Gateway s port triggering feature 87 Advanced Port Blocking Enable or di...

Страница 42: ...scription Home Network Shows the status of your home network s Ethernet and Wi Fi home status A green check mark indicates normal operation This area also shows the Gateway s firewall security level T...

Страница 43: ...ew and edit settings for the local IP network and view Wi Fi and Comcast network status See page 44 View Comcast network settings and initialization procedures including cable modem downstream and ups...

Страница 44: ...edit the settings for your local IP network You can also use this menu to view the status of the Wi Fi network and Comcast network To display the Status menu click Connection in the menu bar and then...

Страница 45: ...P Configuration on page 47 WiFi Network Lets you view information about your Wi Fi network A VIEW button opens the WiFi menu for viewing the link status and MAC address of the Gateway s WiFi LAN port...

Страница 46: ...t the Gateway s initialization procedures cable modem settings and downstream and upstream information The information shown on this menu automatically updates refreshes every 10 seconds To display th...

Страница 47: ...tocol IP settings used by the Gateway Fields are provided for configuring IP version 4 IPv4 and the newer IP version 6 IPv6 To display the Local IP Configuration menu click Connection in the menu bar...

Страница 48: ...ters that use IPv6 Messaging Enable IPv6 Check this box to configure the Gateway to use IPv6 settings Gateway Address IPv6 IP address that the Gateway is to use Subnet Mask IPv6 subnet mask that the G...

Страница 49: ...s menu lets you view and change the Gateway s basic and advanced wireless settings To display the Wireless menu click Gateway in the menu bar and then click the Connection and WiFi submenus Figure 25...

Страница 50: ...ult setting is 6 which refers to radio frequency ranges within the 2 4 GHz range You can change this setting if necessary however all devices in your wireless network must use the same channel to work...

Страница 51: ...iple MSDUs in one MPDU Defaultis disable Auto Block Ack Enables or disables Auto Block ACL function Default is enable Decline BA Request Enables or disables the BA request function Default is disable...

Страница 52: ...to use the WPS button on the top panel of the Gateway to configure WPS see Figure 3 PIN Number Click this option if you need to enter a PIN to configure WPS Enter Wireless Client s PIN If you clicked...

Страница 53: ...Security High Configures the Gateway s firewall to the highest setting Select this setting for environments where security is critical Typical Security Medium Configures the Gateway s firewall for typ...

Страница 54: ...to peer application Blocks peer to peer applications Block IDENT Blocks identification Ident requests from Ident servers on port 113 Note Port 113 is associated with Ident If a client program on a co...

Страница 55: ...oftware menu is a read only screen that shows the software version and packet cable version associated with the Gateway To display the Software menu click Gateway in the menu bar and then click the So...

Страница 56: ...l MAC address for all four Gateway Ethernet ports See page 58 View the status and MAC address of the Gateway s Wi Fi port See page 59 Viewing System Hardware Settings The System Hardware menu is a rea...

Страница 57: ...he Battery menu is a read only screen that shows information about the Gateway s internal battery To display the Battery menu click Gateway in the menu bar and then click the Hardware and Battery subm...

Страница 58: ...menu is a read only screen that shows the link status and MAC address of the Gateway s four Ethernet ports To display the LAN Ethernet menu click Gateway in the menu bar and then click the Hardware a...

Страница 59: ...e WiFi menu is a read only screen that shows the Wi Fi link status and MAC address of the Gateway s WiFi port To display the WiFi menu click Gateway in the menu bar and then click the Hardware and WiF...

Страница 60: ...page wizard you can use to configure your home network To display the first page of the Home Network Wizard click Gateway in the menu bar and then click the Wizard submenu Figure 33 shows an example o...

Страница 61: ...y purposes every typed character appears as a dot The default password is not shown for security purposes The password is case sensitive and can contain from 8 to 20 alphanumeric characters but no spa...

Страница 62: ...Heading 1 62 SMCD3GNV Wireless Cable Modem Gateway User Manual Figure 34 Example of the Second Page of the Home Network Wizard...

Страница 63: ...a wide range of devices including older hardware WPA WPA Personal one of the highest levels of wireless security for your network Select this option if your wireless adapters support WPA WPA 2 Wi Fi P...

Страница 64: ...HCP or Home Network Administration Protocol HNAP Manually add computers with static IP addresses to the wireless network Edit computers with static IP addresses Disconnect online and offline computers...

Страница 65: ...o discard them If you click SAVE the Computer menu reappears with the computer you added displayed under Offline Computers 8 To add more computers with static IP addresses repeat steps 1 through 3 9 T...

Страница 66: ...olon between each 2 character ID in the MAC address For information about obtaining the MAC address ofa computer see Determining a Computer s MAC Address on page 196 Static IP Address Static IP addres...

Страница 67: ...ng DHCP or a static IP address If you selectStatic IP enter the static IP address in the Static IP Address field MAC Address Edit the MAC address of the selected computer Add a colon between each 2 ch...

Страница 68: ...t or try to gain trust which may result in unacceptable access to your family your coworkers your computer or personal information Using the Parental Controls menu you can prevent access to unwanted W...

Страница 69: ...Click SAVE or click CANCEL to discard your settings If you clicked SAVE the blocked site appears below Blocked Sites on the Managed Sites menu 16 To block additional sites repeat steps 3 through 5 17...

Страница 70: ...Heading 1 70 SMCD3GNV Wireless Cable Modem Gateway User Manual Figure 39 Add Blocked Domain Menu...

Страница 71: ...e when the Gateway is to start blocking this URL End on If you selected No for Always Block select the time when the Gateway is to stop blocking this URL Set Blocked Days Select All Click this link to...

Страница 72: ...d your settings If you clicked SAVE the blocked keyword appears below Blocked Keywords on the Managed Keywords menu 24 To block additional keywords repeat steps 3 through 5 25 To edit a blocked keywor...

Страница 73: ...Heading 1 73 SMCD3GNV Wireless Cable Modem Gateway User Manual Figure 40 Add Blocked Keyword Menu...

Страница 74: ...he time when the Gateway is to start blocking this keyword End on If you selected No for Always Block select the time when the Gateway is to stop blocking this keyword Set Blocked Days Select All Clic...

Страница 75: ...enu Figure 41 Example of Managed Services Menu To block services 27 If the Managed Services menu is not displayed click Parental Control in the menu bar and then click the Managed Services submenu 28...

Страница 76: ...tings on the Add Blocked Service menu see Table 16 and click SAVE 34 To delete a blocked service click the X next to the service When the Delete Service Block Rule message appears click OK to delete t...

Страница 77: ...uct the Gateway when to block this service Yes the Gateway always blocks this service until you remove the block default Set Block Time Start from If you selected No for Always Block select the time w...

Страница 78: ...y the Managed Devices menu click Parental Control in the menu bar and then click the Managed Devices submenu Figure 43 shows an example of the menu Figure 43 Example of Managed Devices Menu Enabling o...

Страница 79: ...click CANCEL to discard your settings If you clicked SAVE the blocked device appears below Blocked Devices on the Managed Devices menu 39 To block additional devices repeat steps 3 through 5 40 To ed...

Страница 80: ...Heading 1 80 SMCD3GNV Wireless Cable Modem Gateway User Manual Figure 44 Add Blocked Device Menu...

Страница 81: ...s device until you remove the block default Set Block Time Start from If you selected No for Always Block select the time when the Gateway is to start blocking this device End on If you selected No fo...

Страница 82: ...g messages Using the Reports menu you can define filters for reports and print or download reports To display the Reports menu click Parental Control in the menu bar and then click the Reports submenu...

Страница 83: ...eport Filters a Using the Report Type drop down list select the report to which you want to apply a filter Choices are All Managed Sites Managed Services Managed Devices b By default the report is gen...

Страница 84: ...ers There may be times however when you want a tunnel to be created through your firewall so computers on the Internet can communicate to one of the computers on your LAN using a single port This is h...

Страница 85: ...Service menu see Table 18 50 Click SAVE to save your settings or click CANCEL to discard them If you click SAVE the port forwarding rule appears below Port Forwarding on the Port Forwarding menu 51 T...

Страница 86: ...c Port Ending number of the port on which the service is provided This field is unavailable if the Gateway is configured for a single public IP port Private Port s Numbers of the ports whose traffic t...

Страница 87: ...e multiple related sessions created during the protocol communications Normally a normal treats the triggered sessions as independent sessions and blocks them However the Gateway can co relate the tri...

Страница 88: ...e 19 7 Click SAVE to save your settings or click CANCEL to discard them If you click SAVE the port triggering rule appears below Port Triggering on the Port Triggering menu 8 To add more port triggeri...

Страница 89: ...mple to track H 323 protocol the From port should be 1720 Trigger Port To To port ranges of the special application For example to track H 323 protocol the To port should be 1720 Target Port From Star...

Страница 90: ...ORT TRIGGER button becomes unavailable and all port triggering rules that have been defined turn gray to show they are disabled Enabling Port Triggering To enable port triggering 1 If the Port Trigger...

Страница 91: ...ndently of the other Ethernet ports on the Gateway To display the Port Blocking menu click Advanced in the menu bar and then click the Port Blocking submenu in the menu bar Figure 50 shows an example...

Страница 92: ...g one of the other enabled LAN ports Discovering Devices Using the Device Discovery menu the Gateway can obtain protocol addresses of neighboring devices and discover the platform of those devices To...

Страница 93: ...twork traffic Time To Live A counting mechanism to determine how long a packet is valid before it reaches its destination Each time a TCP IP packet passes through a router it decrements its Time To Li...

Страница 94: ...he password used to log in to the Gateway s Web interface See page 99 Note For additional troubleshooting procedures see Chapter 6 Defining Log Filters Using the Logs menu you can define the filters a...

Страница 95: ...steps under Log Filters a Using the Log Type drop down list select the log to which you want to apply a filter Choices are System Logs Event Logs Firewall Logs b By default the log is generated for to...

Страница 96: ...ything looks fine the problem might be with a router up the line from the Gateway or with the line itself To help you identify such issues the Network Diagnostic Tools menu lets you test connectivity...

Страница 97: ...reaching is alive and physically reachable If there are routers between the Gateway and the destination you are having difficulty reaching the problem might be at one of the routers Testing Connectiv...

Страница 98: ...without affecting the Gateway RESTORE FACTORY SETTINGS returns the Gateway to its factory default settings Any overrides you made to the default settings will be removed This button in functionally e...

Страница 99: ...le of the Change Password Menu Table 21 Change Password Menu Option Description Current Password Enter the currentcase sensitive administrator password For security purposes every typed character appe...

Страница 100: ...in Chapter 3 use that computer s Web browser to configure your SMCD3GNV3 Gateway using the Gateway s mso interface This chapter describes how to use your computer s Web browser to configure the Gatew...

Страница 101: ...SMCD3GNV3 Wireless Cable Modem Gateway s Web based management screens use the following procedure 11 Launch a Web browser Note Your computer does not have to be online to configure the Gateway 12 In t...

Страница 102: ...a see Figure 19 If the displayed information exceeds the main area scroll bars appear to the right of the main area so you can scroll up and down through the information The top of the main area shows...

Страница 103: ...n the menu bar have submenus associated with them If you click a menu that has submenus the submenus appear below the menu For example if you click the Connection menu the submenus in Figure 58 appear...

Страница 104: ...tus of the Wi Fi network and XFINITYnetwork 111 Gateway Connection Local IP Network View and change the Gateway s IPv4 and IPv6 settings 112 Gateway Connection WiFi View and edit the Gateway s basic a...

Страница 105: ...HTTPS Telnet Secure Shell SSH Simple Network Management Protocol SNMP and or HNAP 163 Advanced DMZ Configure the Gateway to provide a local computer with unrestricted two way Internet access by defini...

Страница 106: ...less Cable Modem Gateway User Manual Configuring the Gateway Settings Using the submenus below Gateway you can View at a glance settings for your network and connected devices See page 107 Set up emai...

Страница 107: ...e of the At a Glance Menu screen missing items Table 23 At a Glance Menu Option Description Home Network Shows the status of your home network s Ethernet and Wi Fi home status A green check mark indic...

Страница 108: ...email notifications when there is A firewall and or parental control breach An alert or warning true If desired you can configure the Gateway to send the logs with the email To display this menu clic...

Страница 109: ...Alerts or Warnings Determines whether an email notification is sent when a Gateway alert or warning occurs Yes email notification is enabled No email notification is disabled default Send Logs Determi...

Страница 110: ...onnections you can View and edit the settings for your local IP network and view the Gateway s Wi Fi and XFINITY network connections See page 111 Configure the Gateway s IPv4 or IPv6 settings See page...

Страница 111: ...view and edit the settings for your local IP network You can also use this menu to view the status of the Wi Fi network and XFINITY network To display the Status menu click Gateway Connection Status i...

Страница 112: ...ITYNetwork Lets you view information about the XFINITYnetwork A VIEW button opens the Comcast Network menu for viewing the initialization procedures including cable modem downstream and upstream infor...

Страница 113: ...n the Gateway s IP address and cannot be changed The last two fields let you enter the final two octets in the ending IP address range DHCP Lease Time Amountof time a DHCP network user is allowed conn...

Страница 114: ...o display the Wireless menu click Gateway Connection WiFi in the menu bar The Wireless menu is organized into the following areas Private WiFi and Public WiFi networks see page 115 Private wireless ba...

Страница 115: ...le 27 Wireless Menu Private and Public WiFI Networks Areas Option Description Private WiFi Network Name MAC Address Security Mode Shows the name MAC address and security setting if any for each privat...

Страница 116: ...b g n use this setting if you have a combination of IEEE 802 11b IEEE 802 11g and IEEE 802 11n devices on your network default Channel Selection Selecthow the Gateway will select a channel for commun...

Страница 117: ...s collisions among 802 11b g modes Choices are Auto BG protection mode goes on or off automatically as needed Always On BG protection mode is always on Always Off BG protection mode is always off defa...

Страница 118: ...d receive data simultaneously without contending for shared medium Defaultis enable Extension Channel Defines a second 20 MHz channel 40 MHz stations can use this channel in addition to using the cont...

Страница 119: ...less devices The choices are Allow All all wireless client stations can connect to the Internet default Allow allow only the wireless client stations in the Wireless Control List to connect to the Int...

Страница 120: ...address from the list of auto learned wireless devices The choices are Allow All all wireless client stations can connect to the Internet default Allow allow only the wireless client stations in the...

Страница 121: ...this option if you need to enter a PIN to configure WPS Enter Wireless Client s PIN If you clicked PIN Number enter the PIN in this field PAIR WITH MY WIFI CLIENT button Click this button to pair con...

Страница 122: ...Heading 1 122 SMCD3GNV Wireless Cable Modem Gateway User Manual Figure 69 Example of XFINITY Network Menu...

Страница 123: ...Configures the Gateway s firewall to the highest setting Select this setting for environments where security is critical Typical Security Medium Configures the Gateway s firewall for typical medium s...

Страница 124: ...ication Blocks peer to peer applications Block IDENT Blocks identification Ident requests from Ident servers on port 113 Note Port 113 is associated with Ident If a client program on a computer connec...

Страница 125: ...Settings The Software menu is a read only screen that shows the software version and packet cable version associated with the Gateway To display the Software menu click Gateway Software in the menu ba...

Страница 126: ...ware you can view information about the Gateway system hardware such as model serial number and processor speed See page 127 Gateway s battery status See page 128 Link status and MAC address of the Ga...

Страница 127: ...Settings The System Hardware menu is a read only screen that shows the Gateway s system hardware To display the System Hardware menu click Gateway Hardware System Hardware in the menu bar Figure 73 sh...

Страница 128: ...attery Settings The Battery menu is a read only screen that shows information about the Gateway s internal battery To display the Battery menu click Gateway Hardware Battery in the menu bar Figure 74...

Страница 129: ...The LAN Ethernet menu is a read only screen that shows the link status and MAC address of the Gateway s four Ethernet ports To display the LAN Ethernet menu click Gateway Hardware LAN in the menu bar...

Страница 130: ...i Fi Settings The WiFi menu is a read only screen that shows the Wi Fi link status and MAC address of the Gateway s Wi Fi port To display the WiFi menu click Gateway Hardware WiFi in the menu bar Figu...

Страница 131: ...s part of a 2 page wizard you can use to configure your home network To display the first page of the Home Network Wizard click Gateway Wizard in the menu bar Figure 77 shows an example of the first p...

Страница 132: ...rposes every typed character appears as a dot The default password is not shown for security purposes The password is case sensitive and can contain from 8 to 20 alphanumeric characters but no spaces...

Страница 133: ...Heading 1 133 SMCD3GNV Wireless Cable Modem Gateway User Manual Figure 78 Example of the Second Page of the Home Network Wizard...

Страница 134: ...tions are provided WPA PSK designed for home and small office networks Each wireless network device encrypts the network traffic using a 256 bit key Select this option if your wireless adapters suppor...

Страница 135: ...connected to the Gateway s LAN Add computer s with static IP addresses to the Gateway s LAN Add WiFi protected clients to the Gateway s LAN All of these activities are performed form the Computers me...

Страница 136: ...scard them If you click SAVE the Computer menu reappears with the computer you added displayed under Offline Computers 4 To add more computers with static IP addresses repeat steps 1 through 3 5 To ed...

Страница 137: ...u want to add Add a colon between each 2 character ID in the MAC address For information about obtaining the MAC address of a computer see Determining a Computer s MAC Address on page 196 Static IP Ad...

Страница 138: ...red by the Gateway using DHCP or a static IP address If you select Static IP enter the static IP address in the Static IP Address field MAC Address Edit the MAC address of the selected computer Add a...

Страница 139: ...nually add a wireless client to the Gateway s LAN perform the following procedure from the Computers menu 1 Under Offline Computers click the ADD WIFI PROTECTED SETUP WPS CLIENT button The Add Wireles...

Страница 140: ...reless LAN To change the security used see the Encryption Method option in the Home Network Wizard Step 2 menu see Configuring Your Home Network on page 131 Encryption Read only screen that shows the...

Страница 141: ...n to discard your settings on the Add Wireless Client menu need this screen Figure 83 Example of the Edit Device Menu Table 40 Edit Device Menu true Option Description HostName Read only field that sh...

Страница 142: ...ss to unwanted Web content by Blocking sites and keywords See page 142 Blocking services See page 148 Blocking devices and access types See page 152 You can also define report filters and generate rep...

Страница 143: ...e Table 41 4 Click SAVE or click CANCEL to discard your settings If you clicked SAVE the blocked site appears below Blocked Sites on the Managed Sites menu 5 To block additional sites repeat steps 2 t...

Страница 144: ...es are No the Gateway does not always block this URL Use the Set Block Time and Set Blocked Days to instruct the Gateway when to block this URL Yes the Gateway always blocks this URL until you remove...

Страница 145: ...om the Managed Sites menu 1 Next to Enable Managed Sites click Enabled 2 Under Blocked Keywords click ADD The Add Blocked Keyword menu appears see Figure 86 3 Complete the fields in the Add Blocked Ke...

Страница 146: ...Heading 1 146 SMCD3GNV Wireless Cable Modem Gateway User Manual Figure 86 Add Blocked Keyword Menu...

Страница 147: ...t the time when the Gateway is to stop blocking this keyword Set Blocked Days Set Blocked Days If you selected No for Always Block use any of the following methods to specify when the Gateway is to bl...

Страница 148: ...s on the network This procedure involves the following steps 1 Specify the services to be blocked See Specifying Services on page 149 2 Identify the trusted computers that are allowed to access the bl...

Страница 149: ...k CANCEL to discard your settings If you clicked SAVE the blocked service appears below Blocked Services on the Managed Services menu 5 To block additional services repeat steps 2 through 4 6 To edit...

Страница 150: ...Heading 1 150 SMCD3GNV Wireless Cable Modem Gateway User Manual Figure 88 Add Blocked Service Menu...

Страница 151: ...ove the block default Set Block Time Start from If you selected No for Always Block select the time when the Gateway is to start blocking this service End on If you selected No for Always Block select...

Страница 152: ...menu click Parental Control Managed Devices in the menu bar Figure 89 shows an example of the menu Figure 89 Example of Managed Devices Menu Enabling or Disabling Managed Devices By default all manage...

Страница 153: ...settings If you clicked SAVE the blocked device appears below Blocked Devices on the Managed Devices menu 4 To block additional devices repeat steps 1 through 3 5 To edit a blocked device click the E...

Страница 154: ...Heading 1 154 SMCD3GNV Wireless Cable Modem Gateway User Manual Figure 90 Add Blocked Device Menu...

Страница 155: ...Yes the Gateway always blocks this device until you remove the block default Set Block Time Start from If you selected No for Always Block select the time when the Gateway is to start blocking this de...

Страница 156: ...erate and the time frame they are to cover If you do not set a report filter the default filter is automatically set to all report types for the current day today After you define the filter you can s...

Страница 157: ...ternet A firewall keeps unwanted traffic from the Internet away from your networked computers There may be times however when you want a tunnel to be created through the Gateway firewall so computers...

Страница 158: ...ttings or click CANCEL to discard them If you click SAVE the port forwarding rule appears below Port Forwarding on the Port Forwarding menu 5 To add more port forwarding rules repeat steps 2 through 4...

Страница 159: ...ublic Port Ending number of the port on which the service is provided This field is unavailable if the Gateway is configured for a single public IP port Private Port s Numbers of the ports whose traff...

Страница 160: ...he initial communication session there are multiple related sessions created during the protocol communications Normally a normal treats the triggered sessions as independent sessions and blocks them...

Страница 161: ...r settings or click CANCEL to discard them If you click SAVE the port triggering rule appears below Port Triggering on the Port Triggering menu 5 To add more port triggering rules repeat steps 2 throu...

Страница 162: ...mple to track H 323 protocol the From port should be 1720 Trigger Port To To port ranges of the special application For example to track H 323 protocol the To port should be 1720 Target Port From Star...

Страница 163: ...ey are disabled In addition the buttons to the right of the checkboxes become gray preventing you from editing or deleting port triggering rules To enable all port triggering rules click Enabled next...

Страница 164: ...Heading 1 164 SMCD3GNV Wireless Cable Modem Gateway User Manual Figure 96 Example of Remote Management Menu...

Страница 165: ...t to IP Address Range of IPs to allow a group of computers to remotely manage the Gateway check this option Then enter the starting range of IP addresses next to Start IP Address boxes and the ending...

Страница 166: ...able 48 DMZ Menu Option Description Enable DMZ Enables or disables the Gateway s DMZ setting Enabled Gateway s DMZ feature is enabled Disabled Gateway s DMZ feature is disabled DMZ Host IP addresses o...

Страница 167: ...enu you can configure how the Gateway adjusts to physical changes in the network s layout and exchanges routing tables with other routers To access the Routing menu click Advanced Routing in the menu...

Страница 168: ...he network possible making it available to individuals who can access packets off the network Do notuse this option as part of your security strategy Rather use it to avoid accidental changes to the r...

Страница 169: ...information stored in DNS If you have already set up a dynamic domain service with a service provider use the following procedure to set up the Gateway to update your DDNS automatically whenever your...

Страница 170: ...at you set up Password Enter your service provider password that you set up The password mustbe at least6 characters long For security each password character appears as a dot HostName Enter the compl...

Страница 171: ...y menu the Gateway can obtain protocol addresses of neighboring devices and discover the platform of those devices To display the Device Discovery menu click Advanced Device Discovery in the menu bar...

Страница 172: ...raffic Time To Live A counting mechanism to determine how long a packet is valid before it reaches its destination Each time a TCP IP packet passes through a router it decrements its Time To Live coun...

Страница 173: ...s and generate logs See page 174 Test connectivity to a destination or IP address See page 175 Reset the Gateway reset your Wi Fi router or restore the Gateway s WiFi and factory default settings See...

Страница 174: ...to generate and the time frame they are to cover If you do not set a log filter the default filter is automatically set to system log types for the current day today After you define the filter you c...

Страница 175: ...nd operation and everything looks fine the problem might be with a router up the line from the Gateway or with the line itself To help you identify such issues the Network Diagnostic Tools menu lets y...

Страница 176: ...y reaching is alive and physically reachable If there are routers between the Gateway and the destination you are having difficulty reaching the problem might be at one of the routers Testing Connecti...

Страница 177: ...s the Gateway to its factory default WiFI settings Settings that are not related to the Gateway s wireless operation are not changed RESTORE FACTORY SETTINGS returns the Gateway to its factory default...

Страница 178: ...he menu Figure 104 Example of the Change Password Menu Table 52 Change Password Menu Option Description Current Password Enter the currentcase sensitive administrator password For security purposes ev...

Страница 179: ...leshooting Procedures Troubleshooting Physical Network Problems page 182 Troubleshooting Configuration Problems page 183 Determining Your IP Address page 183 Troubleshooting Software Interaction Probl...

Страница 180: ...and switches 5 Lastly start up your computer Check basic Gateway functions After you turn on power to the Gateway check that the following LED sequences have occurred and see Front Panel on page 13 1...

Страница 181: ...e sure the Ethernet cable connections are secure at the Gateway and at the computer 2 Be sure that power is turned on to the computer connected to the Gateway 3 Be sure you are using the Ethernet cabl...

Страница 182: ...evices and connections These problems are the most easily fixed and include Performing a thorough physical inspection of your network Checking that all hardware devices including the Gateway are plugg...

Страница 183: ...mine whether there is a misconfiguration of IP addresses subnet masks gateways or broadcast addresses Common configuration problems can be caused by misconfiguring newly connected or configured device...

Страница 184: ...o devices on the network Figure 106 Example of IP Addresses for Networked Devices You define the computer s IP address using the procedure appropriate for your operating system as described in Chapter...

Страница 185: ...ot be firmly connected at both ends Secure the cable at both ends Often just reseating the cable into a connector is all that is required The NIC may be bad or the network cable connected to it may be...

Страница 186: ...a or 7 1 Click on Start and in the Start Search box type cmd 2 Press Enter on your keyboard or click cmd exe in your search list see Figure 108 Figure 108 Example of md exe in the Search List 3 In the...

Страница 187: ...Software Interaction Problems If the physical network and basic configuration procedures in the preceding sections do not resolve your problem focus on software problems The most common software probl...

Страница 188: ...iled If possible connect a different computer to the same network cable If the connection works the problem is with the NIC Contact the NIC manufacturer for support or install a new NIC If the new com...

Страница 189: ...nd computer a Turn off the computer and turn off Gateway b Turn on the Gateway and turn on computer 7 For secured wireless connections be sure you entered the correct security key when connecting to a...

Страница 190: ...cation on the Internet see Testing the Path from a Computer to the Internet on page 192 For example ping www yahoo com If the ping succeeds proceed to the next step If the ping fails Your Web browser...

Страница 191: ...f the computer you want to connect to Add the computer and its IP address to the LMHOSTS file This is a text file that resides in the Windows System32 drivers etc directory for Windows2000 or XP and h...

Страница 192: ...test the path using ping from a Windows PC 1 From the Windows task bar click Start and select Run 2 In the Open field type cmd and click OK A DOS command window appears 3 At the prompt type ping n 10...

Страница 193: ...sing the options below the field select an unlimited number of pings or send a specific number of pings 5 Click the Ping button If you receive reply from the destination IP address was contacted succe...

Страница 194: ...ting Your Local IP Configuration on page 47 2 Connect a computer to one of the Gateway s LAN ports 3 Restart your computer 4 Reset the Gateway to its factory default settings using either the Reset bu...

Страница 195: ...ftware applications external servers or gaming Ascertain the port s that the application or game calls for Some ISPs block ports such as ports 20 21 and 80 Check with ISP to confirm whether it is bloc...

Страница 196: ...e Network on page 60 Determining a Computer s MAC Address The following sections describe how to obtain a computer s MAC address Microsoft Windows To determine the MAC address on a Windows computer 1...

Страница 197: ...lect System Preferences 2 Select Network Select Location Select Interface 3 Perform one of the following steps For a wired Mac running Mac OS 10 2 or earlier select the TCP IP tab The number next to t...

Страница 198: ...menu 5 Verify that the Gateway s wireless configuration settings match those of the other wireless devices in your wireless network In the Home Network Wizard Page 2 confirm that the case sensitive En...

Страница 199: ...e following error message appears Windows was unable to find a certificate to log you on to the network Use the following procedure to create or add a wireless network profile manually on the computer...

Страница 200: ...irm it Be sure This is a computer to computer ad hoc network is not selected 11 Click OK and then click OK again 12 Right click Wireless Network Connections and select Status 13 Click the Support tab...

Страница 201: ...ch is a technique used to transfer multiple copies of data by multiple antennas to improve data transfer Using multiple antennas improves data transfers and wireless stability By default STBC is disab...

Страница 202: ...wireless access points MAC filtering is the process of configuring a wireless access point with a list of MAC addresses that will be allowed or not allowed to gain access to the rest of the network vi...

Страница 203: ...reless performance on 802 11n networks For these reasons either Upgrade your 802 11g equipment for 802 11n devices or Configure the devices on your wireless network to use WPA2 on the Gateway this set...

Страница 204: ...r after connecting to AOL using the Gateway Create an account for the Gateway Create a password that is 8 alphanumeric characters long Append aol com to the end of the username Some AOL packages only...

Страница 205: ...sult the dealer or an experienced radio TV technician for help The device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmfu...

Страница 206: ...one company will notify the customer as soon as possible Also you will be advised of your right to file a complaint with the FCC if you believe it is necessary The telephone company may make changes i...

Страница 207: ...tatus 44 111 Computers adding 65 136 139 editing 66 138 141 Configuration 36 100 TCP IP 24 Configuring PC for TCP IP 183 Configuring login password 99 178 Connected Devices menu 64 135 Connecting LAN...

Страница 208: ...vity to destination address 97 176 connectivity to IP address 97 176 disconnects from the Internet 194 front panel 13 installing 18 key features viii locating 19 package contents 12 powering on 23 rea...

Страница 209: ...Windows 7 30 TCP IP configuration for Windows Vista 27 N Network Diagnostic Tools menu 96 175 P Package contents 12 Parental Control menu 68 142 Pass thru VPN troubleshooting 195 Password Settings me...

Страница 210: ...to computers 195 Ping utility 191 Ping utility on Macintosh 193 slow Web browsing 195 testing the path from a computer to the Gateway 191 a computer to the Internet 192 unable to use pass thru VPN 19...

Страница 211: ...8 142 Port Blocking 91 Port Triggering 87 160 Reports 82 Restore Reboot Gateway 98 177 Software 55 125 Status 44 111 System Hardware 56 127 Troubleshooting 94 173 WiFi 59 130 Wireless 49 114 XFINITY N...

Страница 212: ......

Страница 213: ...213 SMCD3GNV Wireless Cable Modem Gateway User Manual 20 Mason Irvine CA 92618 U S A http www smc com Document number D3GNV311122012...

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