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Preface 

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SMCD3GN-RRR Wireless Cable Modem Gateway User Manual 

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Keeyy  FFeeaattuurreess  

The following list summarizes your Gateway’s key features.  

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Integrated, CableLabs-compliant DOCSIS 1.1/ 2.0 /3.0 cable modem 

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Four 10/100/1000 Mbps Auto-Sensing LAN ports with Auto-MDI/MDIX 

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High-speed 300 Mbps IEEE 802.11n Wireless Access Point 

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Dynamic Host Configuration Protocol (DHCP) for dynamic IP configuration, and Domain 
Name System (DNS) for domain name mapping 

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One USB 2.0 port 

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IEEE 802.11 b/g/n interoperability with multiple vendors 

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Wireless WEP, WPA, and WPA2 encryption, Hide SSID, and MAC Filtering 

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VPN pass-through support using PPTP, L2TP, or IPSec 

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Advanced SPI firewall Gateway for enhanced network security from attacks over the 
Internet: 
–  Firewall protection with Stateful Packet Inspection 
–  Client privileges 
–  Hacker prevention 
–  Protection from denial of service (DoS) attacks 
–  Network Address Translation (NAT) 

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Universal Plug and Play (UPnP) enables seamless configuration of attached devices 

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Effortless plug-and-play installation 

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Intuitive graphical user interface (GUI) configuration, regardless of operating system 

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Comprehensive front panel LEDs for network status and troubleshooting 

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Compatible with all popular Internet applications 

Summary of Contents for SMCD3GN-RRR

Page 1: ... od de em m FastFind Links G Ge et tt ti in ng g t to o K Kn no ow w Y Yo ou ur r G Ga at te ew wa ay y I In ns st ta al ll li in ng g Y Yo ou ur r G Ga at te ew wa ay y C Co on nf fi ig gu ur ri in ng g Y Yo ou ur r C Co om mp pu ut te er r f fo or r T TC CP P I IP P C Co on nf fi ig gu ur ri in ng g Y Yo ou ur r G Ga at te ew wa ay y ...

Page 2: ...express 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 trademarks or service marks are property of their respective owners This product Model SMCD3GN RRR includes software code developed by third parties including software code subject to the GNU General Pub...

Page 3: ...Connecting to the LAN 16 Connecting the WAN 17 Powering on Your Gateway 17 3 Configuring Your Computer for TCP IP 18 Configuring Microsoft Windows 2000 19 Configuring Microsoft Windows XP 20 Configuring Microsoft Windows Vista 21 Configuring Microsoft Windows 7 23 Configuring an Apple Macintosh Computer 25 4 Configuring Your Gateway 27 Pre configuration Guidelines 28 Disabling Proxy Settings 28 Di...

Page 4: ...nd Deleting Wireless Client Stations 60 Port Forwarding Menu 61 Adding a Port Forwarding Entry for a Predefined Service 62 Adding a Port Forwarding Entry for a Customer Defined Service 64 Security Settings Firewall Menu 67 Enabling or Disabling Firewall 67 Configuring Access Control 69 Configuring Special Applications 74 Configuring URL Blocking 77 Configuring Schedule Rules 79 Configuring Email a...

Page 5: ...reless Cable Modem Gateway is the ideal all in one 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 This user manual contains all the information you need to install and configure your new SMCD3GN RRR Wireless Cable Modem Gateway ...

Page 6: ...ith multiple vendors Wireless WEP WPA and WPA2 encryption Hide SSID and MAC Filtering VPN pass through support using PPTP L2TP or IPSec Advanced SPI firewall Gateway for enhanced network security from attacks over the Internet Firewall protection with Stateful Packet Inspection Client privileges Hacker prevention Protection from denial of service DoS attacks Network Address Translation NAT Univers...

Page 7: ...ormation D Do oc cu um me en nt t C Co on nv ve en nt ti io on ns s This document uses the following conventions to draw your attention to certain information S Sa af fe et ty y a an nd d W Wa ar rn ni in ng gs s This document uses the following symbols to draw your attention to certain information Symbol Meaning Description Note Notes emphasize or supplement important points of the main text Tip ...

Page 8: ...icates a variable which is 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 brackets Indicates a variable which is a placeholder for actual text provided by the user or system Italic font is also used to indicate variables square brackets Indicates op...

Page 9: ...all your SMCD3GN RRR Wireless Cable Modem Gateway check the package contents and become familiar with your Gateway s front and back panels The topics covered in this chapter are Unpacking Package Contents page 10 System Requirements page 10 Front Panel page 11 Configuring Wireless Security page 13 Rear Panel page 13 Restoring Factory Defaults page 14 ...

Page 10: ...ower cord One Category 5E Ethernet cable One CD that contains this User Manual S Sy ys st te em m R Re eq qu ui ir re em me en nt ts s To complete the installation you will need the following items Provisioned Internet access on a cable network that supports cable modem service A computer with a wired network adapter with TCP IP installed A Java enabled Web browser such as Microsoft Internet Explo...

Page 11: ...set of light emitting diode LED indicators These LEDs show the status of your Gateway and simplify troubleshooting The front panel also contains a WPS button for configuring wireless security automatically Figure 1 shows the front panel of your SMCD3GN RRR Wireless Cable Modem Gateway Table 1 describes the front panel LEDs Figure 1 Front Panel of your SMCD3GN RRR Wireless Cable Modem Gateway ...

Page 12: ...channel only OFF scanning for DS channel US Blue ON ranging is complete operate with more than 1 channel US Bond mode ONLINE Green Blinking cable interface is acquiring IP ToD CM configuration ON Gateway is operational OFF Gateway is offline LINK Green Blinking data is transmitting ON Gateway is operational OFF no Ethernet link detected DIAG Amber ON system failure OFF normal operation Green Blink...

Page 13: ...P Pa an ne el l The rear panel of your SMCD3GN RRR Wireless Cable Modem Gateway contains a reset button and the ports for attaching the supplied power adapter and making additional connections Figure 2 shows the rear panel components and Table 2 describes their meanings Figure 2 Rear View of your SMCD3GN RRR Wireless Cable Modem Gateway Table 2 SMCD3GN RRR Wireless Cable Modem Gateway Rear Panel C...

Page 14: ...physical access to the device you can use the GUI to either power cycle the device See Using the Reboot Menu to Reboot Your Gateway on page 85 or return your Gateway to its factory default settings see Using the Reboot Menu to Reboot Your Gateway on page 85 The following procedure describes how to use the Reset button to power cycle your Gateway and return it to its original factory default settin...

Page 15: ...ng g Y Yo ou ur r G Ga at te ew wa ay y This chapter describes how to install your SMCD3GN RRR Wireless Cable Modem Gateway The topics covered in this chapter are Finding a Suitable Location page 16 Connecting to the LAN page 16 Connecting the WAN page 17 Powering on Your Gateway page 17 ...

Page 16: ...igh shelf keeping the number of walls and ceilings between your Gateway and your other devices to a minimum Be away from electrical devices that are potential sources of interference such as ceiling fans home security systems microwaves or the base for a cordless phone Be away from any large metal surfaces such as a solid metal door or aluminum studs Large expanses of other materials such as glass...

Page 17: ...d coaxial patch cables with F type connectors at both ends for all connections 4 Hand tighten the connectors to secure the connection P Po ow we er ri in ng g o on n Y Yo ou ur r G Ga at te ew wa ay y After making your LAN and WAN connections use the following procedure to power on your Gateway 1 Connect the supplied power cord to the port on the rear panel of your Gateway see Figure 2 on page 13 ...

Page 18: ...P IP settings on a computer that will be used to configure your Gateway This chapter describes how to configure TCP IP for various Microsoft Windows and Apple Macintosh operating systems The topics covered in this chapter are Configuring Microsoft Windows 2000 page 19 Configuring Microsoft Windows XP page 20 Configuring Microsoft Windows Vista page 21 Configuring Microsoft Windows 7 page 23 Config...

Page 19: ...ears 3 Double click the Local Area Connection icon for the Ethernet adapter connected to your Gateway The Local Area Connection Status dialog box appears see Figure 5 Figure 5 Local Area Connection Status Window 4 In the Local Area Connection Status dialog box click the Properties button The Local Area Connection Properties dialog box appears 5 In the Local Area Connection Properties dialog box ve...

Page 20: ...n for the Ethernet adapter connected to your Gateway The Local Area Connection Status dialog box appears 4 In the Local Area Connection Status dialog box click the Properties button see Figure 6 The Local Area Connection Properties dialog box appears Figure 6 Local Area Connection Status Window 5 In the Local Area Connection Properties dialog box verify that Internet Protocol TCP IP is checked The...

Page 21: ...Windows 2000 on page 19 1 On the Windows taskbar click Start click Control Panel and then select the Network and Internet icon 2 Click View Networks Status and tasks and then click Management Networks Connections 3 Right click the Local Area Connection icon and click Properties 4 Click Continue The Local Area Connection Properties dialog box appears 5 In the Local Area Connection Properties dialog...

Page 22: ...sion 4 Properties dialog box click Obtain an IP address automatically to configure your computer for DHCP see Figure 8 Figure 8 Internet Protocol Properties Window 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 9 Local Area Connection Status Window ...

Page 23: ...e a computer running Microsoft Windows 7 1 In the Start menu search box type ncpa cpl Figure 10 Typing ncpa cpl in the Start Menu Box The Network Connections List appears Figure 11 Example of Network Connections List 2 Right click the Local Area Connection icon and click Properties 3 In the Networking tab click either Internet Protocol Version 4 TCP IPv4 or Internet Protocol Version 6 TCP IPv6 and...

Page 24: ...24 SMCD3GN RRR Wireless Cable Modem Gateway User Manual Figure 12 Local Area Network Connection Properties Dialog Box 4 In the properties dialog box click Obtain an IP address automatically to configure your computer for DHCP see Figure 13 ...

Page 25: ...p pl le e M Ma ac ci in nt to os sh h C Co om mp pu ut te er r The following procedure describes how to configure TCP IP on an Apple Macintosh running Mac OS 10 2 If your Apple Macintosh is running Mac OS 7 x or later the steps you perform and the screens you see may differ slightly from the following However you should still be able to use this procedure as a guide to configuring your Apple Macin...

Page 26: ...anual 2 Verify that the NIC connected to your SMCD3GN RRR is selected in the Show field 3 In the Configure field on the TCP IP tab select Using DHCP see Figure 14 4 Click Apply Now to apply your settings and close the TCP IP dialog box Figure 14 Selecting Using DHCP in the Configure Field ...

Page 27: ... at te ew wa ay y This chapter describes how to use a Web browser to configure your Gateway The topics covered in this chapter are Pre configuration Guidelines page 28 Accessing Your Gateway s Web Management page 30 Understanding the Web Management Interface Screens page 31 Web Management Interface Menus page 32 ...

Page 28: ...t Options dialog box click the Connections tab 4 In the Connections tab click the LAN settings button The Local 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 Options window under Temporary Internet Files click Settings 8 For the option Check for newer ve...

Page 29: ... using a wired connection select Built in Ethernet For wireless select Airport 7 Click the Proxies tab 8 Be sure each proxy in the list is unchecked 9 Click Apply Now to finish D Di is sa ab bl li in ng g F Fi ir re ew wa al ll l a an nd d S Se ec cu ur ri it ty y S So of ft tw wa ar re e Disable any firewall or security software that may be running on your computer For more information refer to t...

Page 30: ...indows to monitor network conditions and control your Gateway and its ports To access your SMCD3GN RRR Wireless Cable Modem Gateway s web based management screens use the following procedure 1 Launch a Web browser Note The Cable Modem does not have to be online to configure your Gateway 2 In the browser address bar type http 192 168 0 1 and press the Enter key For example The Login User Password s...

Page 31: ...can scroll up and down through the information Figure 16 Main Areas on the Web Management Interface Some menus 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 System menu the submenu Password Settings appears below the System menu see Figure 17 Figure 17 Example of System Submenu The top right side of the page...

Page 32: ...N ports 40 QoS Lets you configure Quality of Service QoS settings If you enable QoS the following submenus become available for 41 QoS Port Prioritizing performance of the four Gateway LAN ports 42 QoS COS Defining four queues to which the Class of Service CoS is mapped 43 QoS DSCP Defining the QoS class queue to which the customized DSCP is mapped 45 QoS Queue Specifying whether QoS behavior runs...

Page 33: ... certain Web sites from local computers by entering either a full URL address or keywords of the Web site 77 Firerwall Schedule Rule Define schedule rules that work with your Gateway s URL blocking feature 79 Firerwall Email Syslog Alert Send email notifications or add entries to the syslog when traffic is blocked attempts are made to intrude onto the network and local computers try to access bloc...

Page 34: ...te em m S Se et tt ti in ng gs s M Me en nu u The System Settings menu lets you enable or disable UPnP and HNAP To access the System Settings menu click System in the menu bar Figure 18 shows an example of the menu and Table 4 describes the setting you can select Figure 18 System Settings Menu ...

Page 35: ... device can end its connection cleanly when it wishes to leave the UPnP community The intent of UPnP is to support zero configuration invisible networking of devices including intelligent appliances PCs printers and other smart devices using standard protocols Checked uPnP is enabled on your Gateway default Unchecked uPnP is disabled on your Gateway Enable HNAP Configures the Gateway as a HNAP dev...

Page 36: ...teway s Web interface The Password Settings menu also lets you change the number of minutes of inactivity that can occur before your Web management session times out automatically The default setting is 10 minutes To access the Password Settings menu click System in the menu bar and then click the Password Settings submenu Figure 19 shows an example of the menu and Table 5 describes the settings y...

Page 37: ...rd Enter the new case sensitive login password you want to use A password can contain up to 32 alphanumeric characters Spaces count as password characters For security purposes every typed character appears as a dot Re Enter Password for Verification Enter the same case sensitive login password you typed in the New Password field For security purposes every typed character appears as a dot Idle Ti...

Page 38: ...non routable and therefore cannot be used to connect directly to the Internet Some of the advantages of private IP addresses include Increased security since private IP addresses are not routable across the Internet You conserve the world wide pool of IP addresses You do not have to register or pay for these IP addresses in any way The LAN Settings menu lets you configure private LAN IP settings f...

Page 39: ...of your Gateway s private LAN settings Default subnet mask is 255 255 255 0 Domain Name Domain name of your Gateway s private LAN settings Enable DHCP Server Enables or disables the DHCP server to allow automatic allocation of IP addresses to LAN client PCs Checked DHCP server is enabled default Unchecked DHCP server is disabled Lease Time Amount of time a DHCP network user is allowed connection t...

Page 40: ...teway from successfully connecting with other devices you can use the Ether Switch Port Control menu to configure the Gateway to use fixed speed and duplex settings The Ether Switch Port Control menu also let you disable the individual LAN ports For your convenience each port can be configured independently of the other LAN ports on the Gateway To access the Ether Switch Control menu click LAN in ...

Page 41: ...aging its delivery through both bandwidth allocation and prioritization schemes Using the QoS Settings menu you can enable the Gateway s QoS module to provide guarantees on the ability of the network to deliver predictable results To access the QoS menu click QOS in the menu bar Figure 22 shows an example of the menu By default QoS is disabled To enable the Gateway s QoS module check Enable QOS Mo...

Page 42: ... The Port Based QoS menu lets you prioritize performance of the four Gateway LAN ports To access the Port Based QoS menu click QOS in the menu bar and then click the Port submenu in the menu bar Figure 23 shows an example of the menu Note The Port submenu is not available in the menu bar if Enable QOS Module is not checked in the QoS Settings menu see page 41 ...

Page 43: ...nt to move traffic on the basis of relative importance Without CoS prioritization less important traffic can consume network bandwidth and slow down or halt the delivery of more important traffic For example without CoS most traffic received by the Gateway is forwarded with the same priority it had upon entering the Gateway In many cases such traffic is normal priority and competes for bandwidth w...

Page 44: ...ch outbound queue the packet uses After configuring CoS priority for outbound packets use this menu to map the classes of service to the Gateway s four ports To access the CoS menu click QOS in the menu bar and then click the CoS submenu in the menu bar Figure 24 shows an example of the menu Note The COS submenu is not available in the menu bar if Enable QOS Module is not checked in the QoS Settin...

Page 45: ...e prioritized Using the DSCP Based QoS menu you can use DSCP to provide different levels of service to conforming and non conforming traffic by appropriately selecting the DSCP values in this menu The Gateway uses the Hierarchical Token Bucket queuing algorithm which divides the 64 possible DSCP code values into 8 queues Table 7 shows the actual queuing Table 7 Queuing for DSCP Based QoS Name Prec...

Page 46: ...importance than lower priority values 4 To define DSCP based QoS values for other queues repeat steps 2 and 3 5 Click Apply Q Qu ue eu ue e S Se et tt ti in ng gs s M Me en nu u The Queue Settings menu lets you configure QoS behavior as either strict priority or weighted priority Strict priority allows delay sensitive data such as voice to be sent before packets in other queues Weighted priority l...

Page 47: ...ubmenu in the menu bar Figure 26 shows an example of the menu Note The Queue submenu is not available in the menu bar if Enable QOS Module is not checked in the QoS Settings menu see page 41 Figure 26 Queue Settings Menu By default the Gateway uses strict priority To change to weighted priority 1 For Queue Type select Weighted Priority The options in Figure 27 appear ...

Page 48: ...r each Gateway queue select a weight Each weight corresponds to a percentage of consumed bandwidth as shown in the of Bandwidth column 4 When you finish click Apply D DS SC CP P R Re em ma ar rk ki in ng g M Me en nu u The DSCP Remarking menu lets you configure the Gateway s DSCP remarking mode and actions To access the Queue Settings menu click QOS in the menu bar and then click the DSCP Remarkin...

Page 49: ...ccess to extra bandwidth if available default Map frame priority to CS code points select this option for Quality of Service configurations that use class selector CS code points to mark packets CS provides code points that can be used for backward compatibility with IP Precedence IP Precedence is a legacy technology that the Gateway supports for backwards compatibility Request a remarking action ...

Page 50: ... point By default this option is not checked Class Selector Code Points Class Selector code points are code points that can be used for backward compatibility with IP Precedence models When checked lets the Gateway request a remarking action if DSCP equals a class selector code point By default this option is checked but does not take effect until the OSPF Status changes to ENABLE Zero When checke...

Page 51: ...s you configure basic wireless settings such as Enabling or disabling the Gateway s wireless operation Selecting a wireless mode Configuring primary and multiple SSIDs Configuring channel settings To access the Wireless Basic Settings menu click Wireless in the menu bar Figure 29 shows an example of the menu and Table 9 describes the settings you can select Figure 29 Wireless Basic Settings Menu ...

Page 52: ...ting if you have a combination of IEEE 802 11g and IEEE 802 11n devices on your network 11B G N Mixed use this setting if you have a combination of IEEE 802 11b IEEE 802 11g and IEEE 802 11n devices on your network default SSID setting SSID is the network name shared among all devices in a wireless network The SSID must be identical for all devices in the wireless network It is case sensitive and ...

Page 53: ...n keys you specify here must also be configured on your other wireless client devices on your wireless network To access the Wireless Encryption Settings menu click Wireless in the menu bar and then click the Encryption submenu Figure 30 shows an example of the menu and Table 10 describes the settings you can select Note The Encryption submenu is not available in the menu bar if wireless operation...

Page 54: ...r the wireless network WEP Wired Equivalency Privacy encryption is used over the wireless network Select this option if your wireless adapters support WEP but not WPA Personal WEP provides basic security but is not as secure as WPA Personal If you select WEP select the options in Figure 31 and Table 11 WPA Personal select this option if your wireless adapters support WPA Personal This encryption m...

Page 55: ...its default Authentication Authentication used Choices are Open System clients can only associate to the wireless access point using Open Option Shared Key all wireless stations share the same secret key Automatic clients can associate to the wireless access point using Open System or Shared Key Passphrase A sequence of words or text that can be used to automatically generate WEP keys A passphrase...

Page 56: ...yption keys more often Default value is 3600 seconds 6 minutes Type 0 to disable group key update interval Pre shared Key Shared secret between the Gateway and access points and wireless clients Please check whether your service provider uses a default pre shared key Pre Authentication Enables secure fast roaming without noticeable signal latency By default this option is disabled W WP PS S S Se e...

Page 57: ...rity key are random sequences of letters and numbers To access the WPS Setup menu click Wireless in the menu bar and then click the WPS submenu Figure 33 shows an example of the menu Using the WPS Config drop down list select the appropriate option to enable or disable WPS setup Figure 33 WPS Setup Menu If you enable WPS configuration and click Apply the menu options in Figure 34 appear Table 13 d...

Page 58: ...ured AP PIN A read only field that shows the personal identification number PIN for the access point WPS Progress WPS mode Determines whether WPS can be configured using a PIN or the WPS button on the front panel of the Gateway PIN requires users to enter a PIN in the WPS Setup menu to configure WPS PBC Push Button Configuration Allows users to use the WPS button on the front panel of the Gateway ...

Page 59: ...CP server or hard coded to various addresses over time The MAC Filtering menu allows wireless client stations to connect over a wireless connection in two ways By allowing all wireless station access By allowing only trusted PCs To access the MAC Filtering menu click Wireless in the menu bar and then click the MAC Filtering submenu Figure 35 shows an example of the menu and Table 14 describes the ...

Page 60: ...ess Control List A Ad dd di in ng g a an nd d D De el le et ti in ng g W Wi ir re el le es ss s C Cl li ie en nt t S St ta at ti io on ns s To allow wireless client stations to access the Internet through the Gateway use the following procedure to define up to 16 wireless client stations 1 To add wireless client stations that the Gateway automatically learned on the network perform the following s...

Page 61: ...services such as HTTP 80 FTP 20 21 and AIM ICQ 5190 as well as custom defined services You perform port forwarding by redirecting the WAN IP address and the service port to the local IP address and service port You can configure a maximum of 100 predefined and custom defined services To access the Port Forwarding menu click NAT in the menu bar and then click the Port Forwarding submenu in the menu...

Page 62: ...ick Apply Or click Back to return to the Port Forwarding menu or Cancel to cancel any selections you made If you clicked Apply the predefined service is added to the Predefined Service Table 4 To configure additional predefined services up to 100 including customer defined services repeat steps 1 through 3 5 To change the settings for a predefined service click the radio button to the left of the ...

Page 63: ...e IP address in the Start IP field If you select a range of remote IP addresses enter the starting IP address in the Start IP field and the ending IP address in the End IP field Start IP To forward to A single remote IP address enter the remote IP address A range of remote IP addresses enter the starting IP address here and the ending IP address range in the next field This field is unavailable if...

Page 64: ...t 80 To create your own customized services 1 In the Port Forwarding menu click the Add button below the Customer Defined Service Table The Customer Defined Service menu appears see Figure 38 2 Complete the fields in the Customer Defined Service menu see Table 16 3 Click Apply Or click Back to return to the Port Forwarding menu or Cancel to cancel any selections you made If you clicked Apply the c...

Page 65: ...Configuring Your Gateway 65 SMCD3GN RRR Wireless Cable Modem Gateway User Manual Figure 38 Customer Defined Service Menu ...

Page 66: ...igured for any remote IP addresses End IP Ending IP address in the remote IP address range This field is unavailable if your Gateway is configured for any remote IP addresses or a single remote IP address Public IP Ports A single public IP port or a range of public IP ports on which the service is provided If necessary contact the application vendor for this information If you select a single publ...

Page 67: ...d two way Internet access see page 84 E En na ab bl li in ng g o or r D Di is sa ab bl li in ng g F Fi ir re ew wa al ll l The Security Settings Firewall menu provides an option for enabling or disabling your Gateway s firewall setting To access the Security Settings Firewall menu click Firewall in the menu bar Figure 39 shows an example of the menu By default your Gateway s firewall settings are ...

Page 68: ...Configuring Your Gateway 68 SMCD3GN RRR Wireless Cable Modem Gateway User Manual Figure 39 Security Settings Firewall Menu ...

Page 69: ...cess the Access Control menu click Firewall in the menu bar and then click the Access Control submenu in the menu bar Note The Access Control submenu is not available in the menu bar if Enable Firewall Module is disabled in the Security Settings Firewall menu see page 67 To enable access control check Enable Access Control if it is unchecked and click Apply When Access Control is enabled you can c...

Page 70: ...o return to the Access Control menu or Cancel to cancel any selections you made If you clicked Apply the predefined filter is added to the Predefined Filtering Table 5 To define additional filters for access control up to 35 including customer defined filters repeat steps 1 through 4 When you finish click Apply in the Access Control menu to save your settings 6 To change the settings for a predefi...

Page 71: ...rt IP field If you select a range of LAN IP addresses enter the starting IP address in the Start IP field and the ending IP address in the End IP field Start IP To apply the predefined filter to A single LAN IP address enter the LAN IP address A range of LAN IP addresses enter the starting IP address here and the ending IP address range in the next field This field is unavailable if your Gateway i...

Page 72: ...ack to return to the Access Control menu or Cancel to cancel any selections you made If you clicked Apply the customer defined filter is added to the Customer Defined Filtering Table 5 To define additional filters for access control up to 35 including predefined filters repeat steps 1 through 4 When you finish click Apply in the Access Control menu to save your settings 6 To change the settings fo...

Page 73: ...Configuring Your Gateway 73 SMCD3GN RRR Wireless Cable Modem Gateway User Manual Figure 42 Customer Defined Filter Menu ...

Page 74: ... nf fi ig gu ur ri in ng g S Sp pe ec ci ia al l A Ap pp pl li ic ca at ti io on ns s Using the Special Application menu you can configure your Gateway to detect port triggers for detect multiple session applications and allow them to pass the firewall For special applications besides the initial communication session there are multiple related sessions created during the protocol communications N...

Page 75: ...3 Special Applications Menu To enable port triggering 1 In the Special Application menu check Enable Triggering if it is unchecked and click the Apply button The Trigger Table becomes available 2 Click the Add button below Trigger Table The Trigger menu appears see Figure 44 3 Complete the fields in fields Trigger menu see Table 19 4 Click Apply Or click Back to return to the Trigger menu or Cance...

Page 76: ...ial Application menu to save your settings Figure 44 Trigger Menu Table 19 Trigger Menu Options Option Description Name Name for identifying the trigger The name is for reference purposes only Type The type of protocol you want to use with the trigger Choices are TCP and UDP Default is TCP For example to track the H 323 protocol the protocol type should be TCP Trigger Port From and To port ranges ...

Page 77: ... directly to A So initially A is talking to MGC but the final step has B initiating a session to A If the third party host initiated session is not allowed in this example the whole communication fails C Co on nf fi ig gu ur ri in ng g U UR RL L B Bl lo oc ck ki in ng g Using the URL Blocking menu you can configure your Gateway to block access to certain Web sites from local computers by entering ...

Page 78: ...nd click the Add Trusted Host button The MAC address you entered appears in the Exempted PC List Repeat this step for each additional computer up to 10 you want to make exempt from URL blocking To remove a computer from being exempted use the Delete or Delete All buttons next to the field to delete selected or all MAC addresses 3 To block a site click in the Keyword Domain Name field enter keyword...

Page 79: ...Click Apply C Co on nf fi ig gu ur ri in ng g S Sc ch he ed du ul le e R Ru ul le es s Schedule rules work with your Gateway s URL blocking feature described on page 77 to tell your Gateway when to perform URL blocking To access the Schedule Rule menu click Firewall in the menu bar and then click the Schedule Rule submenu in the menu bar Figure 46 shows an example of the menu Note The Schedule Rul...

Page 80: ...number of active sessions This information Is helpful when detecting and preventing Denial of Service DoS and other network attacks If you enabled your Gateway s firewall or content filtering feature you can use the Email Syslog Alert menu to configure your Gateway to send email notifications or add entries to the syslog when Traffic is blocked Attempts are made to intrude onto the network Local c...

Page 81: ...Configuring Your Gateway 81 SMCD3GN RRR Wireless Cable Modem Gateway User Manual Figure 47 Email Syslog Alert Menu ...

Page 82: ... email password 3 Under Recipient list click Add When the Recipient Adding menu appears see Figure 48 enter the name of the person who will receive email notifications and the person s email address and then click Apply Or click Back to return to the Email Syslog Alert menu or Cancel to cancel any selections you made If you clicked Apply the email account is added to the Recipient list To send ema...

Page 83: ...rt t O Op pt ti io on ns s Using the options in the Alert Options area you can configure your Gateway to send an email to recipients you define in this menu and or send entries to a syslog defined in this menu if your Gateway detects an intrusion To configure your Gateway to send an email to the configured email addresses if it detects an intrusion 1 Perform steps 1 through 3 under Configuring Ema...

Page 84: ...sks because the client in the DMZ is not protected by the firewall To access the DMZ Demilitarized Zone menu click Firewall in the menu bar and then click the DMZ submenu in the menu bar Figure 49 shows an example of the menu Note The DMZ submenu is not available in the menu bar if Enable Firewall Module is disabled in the Security Settings Firewall menu see page 67 Figure 49 DMZ Demilitarized Zon...

Page 85: ...tings To access the Reboot menu click Tools in the menu bar and then click the Reboot submenu in the menu bar Figure 50 shows an example of the menu Figure 50 Reboot Menu To reboot your Gateway and retain all changes made to its factory default settings 1 In the Reboot menu click Apply The precautionary message in Figure 51 appears 2 Click OK to reboot your Gateway or click Cancel to not reboot it...

Page 86: ...set the Gateway and restore the device s factory default settings To access the Tools Settings menu click Tools in the menu bar Figure 52 shows an example of the menu Note To reboot the Gateway and retain any customized settings use the Reboot menu see Using the Reboot Menu to Reboot Your Gateway on page 85 Figure 52 Tools Settings Menu To reset the Gateway and restore its factory default settings...

Page 87: ...t to o R Re eb bo oo ot t t th he e G Ga at te ew wa ay y Using the Reboot menu you can reset the Gateway and retain all changes that have been made to the Gateway s factory default settings To access the Reboot menu click Tools in the menu bar and then click the Reboot submenu in the menu bar Figure 50 shows an example of the menu Figure 54 Reboot Menu To reboot the Gateway and retain all changes...

Page 88: ...way s WAN LAN and wireless interfaces Firmware and hardware versions Any illegal attempts to access your network Information about all DHCP clients currently connected to your Gateway Network and cable modem system event logs with buttons for clearing refreshing or sending the logs to a drive location before you can send the logs to a drive location enable email and syslog notification on the Emai...

Page 89: ...Configuring Your Gateway 89 SMCD3GN RRR Wireless Cable Modem Gateway User Manual Figure 56 Example of Status Page ...

Page 90: ...nly screen that shows the user s cable initialization procedures along with the cable upstream and downstream status The Cable Status menu appears when you first log in to the Web management interface You can also display it by clicking Status in the menu bar and then clicking the Cable Status submenu Figure 57 shows an example of the cable status information shown Figure 57 Example of Cable Statu...

Page 91: ...sensing switch TR 68 coloring for 1 USB 2 0 Connector Type B TR 68 coloring for 4 Ethernet port Cable interface F type female 75 Ohm C Ch ha an nn ne el l B Bo on nd di in ng g Downstream up to 4 channels Upstream up to 4 channels S So of ft tw wa ar re e F Fe ea at tu ur re es s GUI displays common troubleshooting information modem status and feature setup Full featured CLI provides enhanced trou...

Page 92: ... channels parameters Port Forwarding 64 256QAM auto detection Independent resets for downstream and upstream blocks Supports 64 128 256 bit RC4 authentication and encryption N Ne et tw wo or rk k P Pr ro ot to oc co ol ls s IEEE 802 1d compliant bridging ARP DHCP Client Server ICMP UDP FTP TFTP DNS Relay Telnet ToD Client ...

Page 93: ...ent and Filtering Features Smart Tracking DMZ R Re ec ce ei iv ve er r Demodulation 64 256QAM Input Frequency Range 88MHz 1002MHz Max speed 38Mbps 64QAM 43Mbps 256QAM per channel DOCSIS 5120kbps 10Mbps QPSK 16QAM DOCSIS 41 4 Mbps 64QAM 55 2Mbps 256QAM Bounding DOCSIS per channel 222 48 200 Mbps with 4 DS channel bounding EuroDOCSIS S Si ig gn na al l L Le ev ve el l 15dBmV to 15dBmV Automatic gain...

Page 94: ...e Link Diag WPS LAN 1 4 WiFi USB D Di im me en ns si io on ns s L x W x H 26 8 x 15 5 x 3 5 mm 10 6 x 6 1 x 1 4 in Weight 930 g 2 05 lbs I In np pu ut t P Po ow we er r 12V 2A R Re eg gu ul la at to or ry y C Ce er rt ti if fi ic ca at ti io on n FCC Part 15B Class B UL cUL P Po ow we er r S Su up pp pl ly y E En ne er rg gy y S St ta ar r R Ra at ti in ng g Level IV ...

Page 95: ...dio 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 harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation FCC Caution Any changes or modifications not expressly approved by the party responsible for compliance cou...

Page 96: ...exempted from URL blocking 78 Configuration 27 Configuring access control 69 alert options 83 auto negotiation 40 DHCP 38 duplex mode 40 email alerts 82 firewall 67 idle timeout 36 login password 36 port forwarding 61 private LAN IP address 38 special applications 74 syslog entries 83 TCP IP 18 wireless security 13 Connecting LAN 16 WAN 17 Conventions in this document vii CoS menu 43 Customer defi...

Page 97: ...requirements 10 Web management 30 I Idle timeout 36 Installation 15 Internet Explorer disabling proxy settings 28 K Key features vi Keyword blocking 78 L LAN connection 16 LAN ports enabling or disabling 40 LAN Settings menu 38 Lease time 38 LEDs 12 Locating your Gateway 16 Logging in to Web management 30 Login password 36 M MAC Filtering menu 59 Menus Access Control 69 Cable Status 90 CoS 43 DMZ ...

Page 98: ...8 IP address 38 IP subnet mask 38 lease time 38 Proxy settings 28 Q QoS Settings menu 41 Queue Settings menu 46 R RADIUS configuration 36 Rear panel 13 Rebooting losing custom settings 14 Requirements 10 Restoring factory defaults 14 S Safari disabling proxy settings 29 Schedule Rules menu 79 Screens in Web management 31 Security mode 53 Security Settings Firewall menu 67 Security software 29 Secu...

Page 99: ...menu 36 Port Based QoS 42 Port Forwarding menu 61 QoS Settings menu 41 Queue Settings 46 Reboot menu 85 Schedule Rules menu 79 screens 31 Security Settings Firewall menu 67 Special Application menu 74 Status menu 88 System Settings menu 34 Tools Settings menu 86 Trigger menu 75 URL Blocking menu 77 URL Email Syslog Alert menu 80 Wireless Basic Settings menu 51 Wireless Encryption Settings menu 53 ...

Page 100: ...20 Mason Irvine CA 92618 U S A http www smc com Document number 14040RRR06092010 ...

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