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Configuring Your Gateway 

98 

SMCD3GN2 Wireless Cable Modem User Manual 

Using the Tools Settings Menu 

Using the 

Tools Settings 

menu, you can reset the Gateway and restore the device’s factory 

default settings. To access the Tools Settings menu, click 

Tools 

in the menu bar. Figure 54 

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 the Gateway“ on page 99). 

 

Figure 54. Tools Settings Menu 

To reset the Gateway and restore its factory default settings: 

1. Click 

Factory Reset

. The warning message in Figure 55 appears. 

2. Click 

OK

 to restore the Gateway’s factory default settings or click 

Cancel 

to retain the 

Gateway’s current settings. 

Summary of Contents for SMCD3GN2

Page 1: ...SMCD3GN2 User Manual DOCSIS 3 0 Wireless Cable Modem Gateway FastFind Links Getting to Know Your Gateway Installing Your Gateway Configuring Your Computer for TCP IP Configuring Your Gateway...

Page 2: ...e 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 t...

Page 3: ...N 16 Connecting the WAN 17 Powering on the Gateway 17 3 Configuring Your Computer for TCP IP 18 Configuring Microsoft Windows 2000 19 Configuring Microsoft Windows XP 20 Configuring Microsoft Windows...

Page 4: ...reless Encryption Settings Menu 56 WPS Setup 60 MAC Filtering 63 Adding and Deleting Wireless Client Stations 64 Advanced Wireless Settings Menu 65 Port Forwarding Menu 67 Adding Predefined Services 6...

Page 5: ...dem 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 loc...

Page 6: ...ide SSID and MAC Filtering y VPN pass through support using PPTP L2TP or IPSec y Advanced SPI firewall Gateway for enhanced network security from attacks over the Internet Firewall protection with Sta...

Page 7: ...s technical specifications Document Conventions This document uses the following conventions to draw your attention to certain information Safety and Warnings This document uses the following symbols...

Page 8: ...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 bra...

Page 9: ...dem Gateway check the package contents and become familiar with the Gateway s front and back panels The topics covered in this chapter are y Unpacking Package Contents page 10 y System Requirements pa...

Page 10: ...gory 5E Ethernet cable y One CD that contains this User Manual System Requirements To complete the installation you will need the following items y Provisioned Internet access on a cable network that...

Page 11: ...emitting diode LED indicators These LEDs show the status of the Gateway and simplify troubleshooting The front panel also contains a WPS button for configuring wireless security automatically Figure...

Page 12: ...Green Blinking ranging is in progress ON ranging is complete on 1 channel only OFF scanning for DS channel US Blue ON ranging is complete operate with more than 1 channel US Bond mode ONLINE Green Bl...

Page 13: ...your SMCD3GN2 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 an...

Page 14: ...Gateway you can use the GUI to either power cycle the Gateway see Using the Reboot Menu to Reboot the Gateway on page 99 or return the Gateway to its factory default settings see Using the Tools Sett...

Page 15: ...Gateway This chapter describes how to install your SMCD3GN2 Wireless Cable Modem Gateway The topics covered in this chapter are y Finding a Suitable Location page 16 y Connecting to the LAN page 16 y...

Page 16: ...eping the number of walls and ceilings between the Gateway and your other devices to a minimum y Be away from electrical devices that are potential sources of interference such as ceiling fans home se...

Page 17: ...d coaxial patch cables with F type connectors at both ends for all connections 2 Hand tighten the connectors to secure the connection Powering on the Gateway After making your LAN and WAN connections...

Page 18: ...to configure the 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 y Configuring Micros...

Page 19: ...nnection icon for the Ethernet adapter connected to the Gateway The Local Area Connection Status dialog box appears see Figure 5 Figure 5 Local Area Connection Status Window 4 In the Local Area Connec...

Page 20: ...d to the 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 dial...

Page 21: ...ws 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 A...

Page 22: ...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...

Page 23: ...ows 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...

Page 24: ...IP 24 SMCD3GN2 Wireless Cable Modem 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...

Page 25: ...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 procedu...

Page 26: ...Configuring Your Computer for TCP IP 26 SMCD3GN2 Wireless Cable Modem User Manual Figure 14 Selecting Using DHCP in the Configure Field...

Page 27: ...scribes how to use a Web browser to configure the Gateway The topics covered in this chapter are y Pre configuration Guidelines page 28 y Accessing the Gateway s Web Management page 30 y Understanding...

Page 28: ...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 th...

Page 29: ...e Change Settings button 5 Choose your location from the Location list this is generally Automatic 6 Select your connection method If using a wired connection select Built in Ethernet For wireless sel...

Page 30: ...CD3GN2 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 the Gateway 2 In the...

Page 31: ...roll bars appear to the right of the main area so you can scroll up and down through the information Figure 16 Main Areas on the Web Management Interface Some menus have submenus associated with them...

Page 32: ...Internet through the Gateway allow certain trusted EtherLAN client stations to access the Internet through the Gateway or deny certain trusted EtherLAN client stations from accessing the Internet thr...

Page 33: ...local computers by entering either a full URL address or keywords of the Web site 90 Firewall Schedule Rule Define schedule rules that work with the Gateway s URL blocking feature 92 Firewall Email S...

Page 34: ...your Gateway can obtain an IP address advertise its capabilities learn about other connected UPnP devices and then communicate directly with those devices The same device can end its connection cleanl...

Page 35: ...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 th...

Page 36: ...gement interface sessions timeout after 10 minutes of idle time To change this duration enter a new timeout value LAN Settings Menu IP addresses are close to being used up and thus very hard to get On...

Page 37: ...is 192 168 0 1 if you change this setting the Gateway reboots after displaying a message IP Subnet Mask Subnet mask of the Gateway s private LAN settings Default subnet mask is 255 255 255 0 Domain Na...

Page 38: ...is setting the Gateway reboots after displaying a message IP Subnet Mask Subnet mask of the Gateway s private LAN settings Default subnet mask is 255 255 255 0 Domain Name Domain name of the Gateway s...

Page 39: ...s 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 yo...

Page 40: ...to a fixed speed and duplex setting a Uncheck the Auto check box for the port b Under Speed 10 100 1000 click the radio that corresponds to the fixed speed you want to use for that port c Under the M...

Page 41: ...n trusted EtherLAN client stations to access the Internet through the Gateway You use the add up to 16 trusted clients y Deny certain trusted EtherLAN client stations from accessing the Internet throu...

Page 42: ...restrict Internet access through the Gateway to certain trusted EtherLAN client stations define the client stations as trusted clients Using this procedure you can define up to 16 trusted client stat...

Page 43: ...rm the following steps under Auto Learned Lan Devices a Click a client station that the Gateway learned automatically b Under Trusted click N c Click Add to add the client station to the Lan Untrusted...

Page 44: ...nu By default QoS is enabled To disable the Gateway s QoS module uncheck Enable QOS Module and click Apply To disable the Gateway s QoS module uncheck Enable QOS Module and click Apply When the Gatewa...

Page 45: ...r and then click the Port submenu in the menu bar Figure 24 shows an example of the menu y To enable the Gateway s port based QoS setting check Enable Port Based QoS and click Apply y To disable the G...

Page 46: ...f its relative importance to your requirements CoS helps to keep the most important network traffic moving at an acceptable speed regardless of current bandwidth usage This means you can manage availa...

Page 47: ...ty values are evaluated as being of higher importance than lower priority values 3 Under Port Default CoS map the Gateway s four ports to the classes of service you defined in the previous step CoS se...

Page 48: ...CP code values into 8 queues Table 7 shows the actual queuing Table 7 Queuing for DSCP Based QoS Name Precedence DSCP Range Priority Routing default 000 0 000000 0 000111 7 8 Priority 001 1 001000 8 0...

Page 49: ...1 Check Enable DHCP Based QoS 2 For each index enter a DSCP value from 0 to 63 3 Under Queue select a queue from 0 to 3 you want to map to this DSCP value Higher priority values are evaluated as being...

Page 50: ...ues y Weighted priority lets you assign each queue with a certain weight indicating the amount of guaranteed capacity with high priority packets served before any low priority packets To access the Qu...

Page 51: ...ons 2 For Weight Base select a queue weight to ensure that some sets of queues get higher thresholds than others Queue weight directs the Gateway to set the queue thresholds proportionately Choices ar...

Page 52: ...e menu bar and then click the DSCP Remarking submenu in the menu bar Figure 29 shows an example of the menu Note The DSCP Remarking submenu is not available in the menu bar if Enable QOS Module is not...

Page 53: ...cked the Gateway requests a remarking action if DSCP equals an expedited forwarding code point By default this option is not checked Assured Forwarding Code Points Assured forwarding defines a method...

Page 54: ...settings such as y Enabling or disabling the Gateway s wireless operation y Selecting a wireless mode y Configuring the primary SSID y Configuring channel settings To access the Wireless Basic Setting...

Page 55: ...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 you...

Page 56: ...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 3...

Page 57: ...d over 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...

Page 58: ...ay is to use as its default Authentication Authentication used Choices are Open System clients can only associate to the wireless access point using Open Option default Shared Key all wireless station...

Page 59: ...n to be used Choices are TKIP automatic encryption with WPA PSK requires pre shared key AES automatic encryption with WPA2 PSK requires pre shared key TKIP and AES uses both TKIP and AES cipher types...

Page 60: ...ause they are generated randomly y WPS uses the Extensible Authentication Protocol EAP which is a strong authentication protocol used in WPA2 The disadvantages of WPS are y Unless all the Wi Fi device...

Page 61: ...Gateway 61 SMCD3GN2 Wireless Cable Modem User Manual Figure 34 WPS Setup Menu By default WPS is disabled If you select ENABLE and click Apply the options in Figure 35 are displayed Table 13 describes...

Page 62: ...ly being used WPS Configured A read only field that whether WPS has been configured AP PIN A read only field that shows the personal identification number PIN for the access point WPS Progress WPS mod...

Page 63: ...ded to various addresses over time The MAC Filtering menu allows wireless client stations to connect over a wireless connection in two ways y By allowing all wireless station access y By allowing only...

Page 64: ...dd to add the device to the Wireless Control List Adding and Deleting Wireless Client Stations To allow wireless client stations to access the Internet through the Gateway use the following procedure...

Page 65: ...s the Advanced Wireless Settings menu click Wireless in the menu bar and then click the Advanced Wireless Settings submenu Figure 37 shows an example of the menu and Table 15 describes the settings yo...

Page 66: ...0 40 allows both single channel operation 20 MHz and the wider bandwidth operation 40 MHz by using two or more adjacent contiguous channels A 20 40 BSS is a wireless network that allows a wider bandwi...

Page 67: ...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 config...

Page 68: ...ck 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 5 To configure additional pred...

Page 69: ...ss enter the 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...

Page 70: ...ng Function if it is checked 2 Click the Add button below the Customer Defined Service Table The Customer Defined Service menu appears see Figure 40 3 Complete the fields in the Customer Defined Servi...

Page 71: ...Configuring Your Gateway 71 SMCD3GN2 Wireless Cable Modem User Manual Figure 40 Customer Defined Service Menu...

Page 72: ...for any remote IP addresses End IP Ending IP address in the remote IP address range This field is unavailable if the Gateway is configured for any remote IP addresses or a single remote IP address Pu...

Page 73: ...eceive email or syslog alert notifications see page 93 y Configure a local client computer as a local DMZ for unrestricted two way Internet access see page 97 Enabling or Disabling Firewall The Securi...

Page 74: ...r 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 men...

Page 75: ...Configuring Your Gateway 75 SMCD3GN2 Wireless Cable Modem User Manual Figure 42 Access Control Menu...

Page 76: ...u made If you clicked Apply the rule for the predefined access rule is added to the Predefined Service Table 5 To configure additional access control rules for predefined services up to 35 including a...

Page 77: ...Configuring Your Gateway 77 SMCD3GN2 Wireless Cable Modem User Manual Figure 43 Predefined Access Rules Menu...

Page 78: ...IP address in the remote IP address range This field is unavailable if the Gateway is configured for any remote IP addresses or for a single remote IP address Local IPs Lets you specify any local IP a...

Page 79: ...If you clicked Apply the rule for the customer defined rule is added to the Customer Defined Service Table 5 To configure additional access control rules for customer defined services up to 35 includi...

Page 80: ...Configuring Your Gateway 80 SMCD3GN2 Wireless Cable Modem User Manual Figure 44 Customer Defined Access Rules Menu...

Page 81: ...This field is unavailable if the Gateway is configured for any LAN IP address or a single LAN IP address Local IPs Lets you specify any local IP addresses a single local IP address or a range of local...

Page 82: ...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 fil...

Page 83: ...ect 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 local IP address e...

Page 84: ...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 predefin...

Page 85: ...Configuring Your Gateway 85 SMCD3GN2 Wireless Cable Modem User Manual Figure 46 Customer Defined Filter Menu...

Page 86: ...t IP field and the ending IP address in the End IP field Start IP To specify A single remote IP address enter the remote IP address A range of remote IP addresses enter the starting IP address here an...

Page 87: ...se H 323 in a Net Meeting application a local client starts a session A to a remote host The remote host uses session A to communicate with the local host but it also could initiate another session B...

Page 88: ...y the trigger is added to the Trigger Table 5 To configure additional triggers up to 20 repeat steps 1 through 4 When you finish click Apply in the Special Applications menu to save your settings 6 To...

Page 89: ...lications embed the source host s IP in the datagram and normal NAT would not translate the IP address in the datagram To make sure the network address translation is complete IP replacement is necess...

Page 90: ...n block up to 50 sites Using URL blocking you can also make up to 10 computers exempt from URL blocking and have full access to all Web sites at any time To display the URL Blocking menu click Firewal...

Page 91: ...ake 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 Keyw...

Page 92: ...sabled in the Security Settings Firewall menu see page 73 Figure 50 Schedule Rule Menu By default the Gateway is configured to apply schedule rules to URL blocking 24 hours every day To change these s...

Page 93: ...locked y Attempts are made to intrude onto the network y Local computers try to access block URLs You can configure the Gateway to generate email notifications or syslog entries immediately or at a pr...

Page 94: ...Configuring Your Gateway 94 SMCD3GN2 Wireless Cable Modem User Manual Figure 51 Email Syslog Alert Menu...

Page 95: ...ent list click Add When the Recipient Adding menu appears see Figure 52 enter the name of the person who will receive email notifications and the person s email address and then click Apply Or click B...

Page 96: ...re the Gateway to send an email to recipients you define in this menu and or send entries to a syslog defined in this menu if the Gateway detects an intrusion To configure the Gateway to send an email...

Page 97: ...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 53 shows an example of the menu Not...

Page 98: ...enu bar Figure 54 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 the Gateway on page 99 Figure 54 To...

Page 99: ...the Reboot menu click Tools in the menu bar and then click the Reboot submenu in the menu bar Figure 56 shows an example of the menu Figure 56 Reboot Menu To reboot the Gateway and retain all changes...

Page 100: ...ny illegal attempts to access your network y Information about all DHCP clients currently connected to the Gateway y Network LAN client and cable modem system event logs with buttons for clearing or r...

Page 101: ...ad only screen that shows your 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 Y...

Page 102: ...Configuring Your Gateway 102 SMCD3GN2 Wireless Cable Modem User Manual Figure 59 Example of Cable Status Page...

Page 103: ...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 in...

Page 104: ...Server DNS Proxy Dynamic HTTP FTP TFTP SNMPv1 2 Telnet SSH y Transport Layer TCP TACACS UDP RADUIS y Network Layer ARP ICMP IPv4 IPv6 IPSec RIPv1 2 y Data Link Layer 802 1d transparent bridging VPN P...

Page 105: ...ports 64 128 256 bit RC4 authentication and encryption y WAN LAN transparent bridging y SOAP HTTP and HNAP y XML Configuration SECURITY y Password protected configuration access y Stateful Packet Insp...

Page 106: ...Hz 1002 MHz TRANSMITTER y Modulation TDMA QPSK 8 16 32 64QAM S CDMA QPSK 8 16 32 64 128QAM y Bandwidth TDMA 200 400 800 1600 3200 6400kHz S CDMA 1600 3200 6400kHz y Max Data Rate per Channel 320 640 1...

Page 107: ...ntrol ENVIRONMENT y Operating Temperature 32 F 0 C to 104 F 40 C y Operating Humidity 10 to 90 y Storage Temperature 40 F 40 C to 140 F 80 C REGULATORY STANDARD COMPLIANCE y FCC Part 15B Class B y UL...

Page 108: ...negotiation 39 B Blocking domain 91 keyword 91 C Cable Status menu 101 Changing login password 35 Cipher type 56 Computer exempted from URL blocking 91 Configuration 27 Configuring access control 74...

Page 109: ...ng on 17 preconfiguring 28 rear panel 13 rebooting and losing custom settings 14 system requirements 10 Web management 30 I Idle timeout 35 Installation 15 Internet Explorer disabling proxy settings 2...

Page 110: ...17 Preconfiguration guidelines 28 Predefined service for adding port forwarding 68 service table 67 Predefined access rule 76 Predefined filter 82 Private LAN IP settings DHCP 36 domain name 36 IP add...

Page 111: ...ch Port Control menu 39 LAN Access Control menu 41 LAN Settings menu 36 logging in 30 MAC Filtering menu 63 menus 32 Password Settings menu 35 Port Based QoS 45 Port Forwarding menu 67 QoS Settings me...

Page 112: ...20 Mason Irvine CA 92618 U S A http www smc com Document number 20131BIZ4152011...

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