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1 Getting to Know Your Gateway

Before you install your SMCD3G 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 10)

System Requirements (page 10)

Front Panel (page 11)

Rear Panel (page 13)

SMCD3G Cable Modem Gateway User Manual

Summary of Contents for SMCD3G

Page 1: ......

Page 2: ...hts of SMC SMC reserves the right to change specifications at any time without notice No part of this publication may be reproduced or transmitted in any form or by any means electronic or mechanical...

Page 3: ...for TCP IP 17 Configuring Microsoft Windows 2000 18 Configuring Microsoft Windows XP 19 Configuring Microsoft Windows Vista 20 Configuring an Apple Macintosh Computer 22 4 Configuring Your Gateway 23...

Page 4: ...for a Customer Defined Service 35 Security Settings Firewall Menu 38 Enabling or Disabling Firewall 38 Configuring Access Control 39 Configuring Special Applications 47 Configuring URL Blocking 50 Co...

Page 5: ...tion 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 contai...

Page 6: ...ay 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 Ne...

Page 7: ...This document uses the following conventions to draw your attention to certain information Safety and Warnings This document uses the following symbols to draw your attention to certain information Sy...

Page 8: ...laceholder 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 brack...

Page 9: ...y 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 page 10 y Fr...

Page 10: ...aged please contact your place of purchase 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...

Page 11: ...light emitting diode LED indicators These LEDs show the status of your Gateway and simplify troubleshooting Figure 1 shows the front panel of the SMCD3G Cable Modem Gateway Table 1 describes the fron...

Page 12: ...nly 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 op...

Page 13: ...speed port for storing configurations externally Cable Connect your coaxial cable line to this port Reset button Use this button to reset the power or restore the default factory settings see Restori...

Page 14: ...install your SMCD3G Cable Modem Gateway The topics covered in this chapter are y Finding a Suitable Location page 15 y Connecting to the LAN page 15 y Connecting the WAN page 16 y Powering on the Gat...

Page 15: ...round the Gateway to keep the device as cool as possible y Not expose the Gateway to a dusty or wet environment Connecting to the LAN Using an Ethernet LAN cable you can connect the Gateway to a deskt...

Page 16: ...ng another cable modem contact your cable operator to register the SMCD3G If the modem is not registered with your cable operator it will be unable to connect to the cable network system Powering on t...

Page 17: ...his 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 Microsoft Windows 2000 page 18 y...

Page 18: ...cted 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 Connection Status dialog box click the Properties...

Page 19: ...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 Connecti...

Page 20: ...d 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 t...

Page 21: ...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 22: ...ens 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 Macintosh for TCP IP 1 Pull down the Apple Menu click Sys...

Page 23: ...re your SMCD3G Gateway This chapter describes how to use your Web browser to configure your Gateway The topics covered in this chapter are y Pre configuration Guidelines page 24 y Accessing the Gatewa...

Page 24: ...ocal 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 Opt...

Page 25: ...ed 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 Disabling Firewall and Security Sof...

Page 26: ...sed management screens use the following procedure 1 Launch a Web browser Note Your computer does not have to be online to configure your Gateway 2 In the browser address bar type http 192 168 0 1 and...

Page 27: ...Figure 12 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 th...

Page 28: ...custom port forwarding settings to allow Internet users to access local services such as the Web Server or FTP server at your local site 33 Firewall Lets you configure firewall settings to limit the...

Page 29: ...d Play uPnP Internet gateway UPnP allows for dynamic connectivity between devices on a network A UPnP enabled device like your Gateway can obtain an IP address advertise its capabilities learn about o...

Page 30: ...ith 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 a...

Page 31: ...assword can contain up to 32 alphanumeric characters Spaces count as password characters For security purposes every typed character appears as a dot y Re Enter Password for Verification Enter the sam...

Page 32: ...n Description IP Address IP address of the Gateway s private LAN settings Default IP address is 192 168 0 1 if you change this setting the Gateway reboots after displaying a message IP Subnet Mask Sub...

Page 33: ...e menu bar Figure 17 shows an example of the menu Figure 17 Port Forwarding Settings Menu Adding a Port Forwarding Entry for a Predefined Service Using the following procedure you can select well know...

Page 34: ...e and click the Edit button When the Predefined Service menu appears edit the settings as necessary see Table 7 and click Apply Click Apply in the LAN Settings menu to save your settings 6 To delete a...

Page 35: ...w to set port forwarding for a Web server on an Internet connection where port 80 is blocked from the WAN side but port 8000 is available Name Web Server Type TCP LAN Server IP 192 168 0 100 Remote IP...

Page 36: ...ly Click Apply in the LAN Settings menu to save your settings 6 To delete a customer defined service click the radio button to the left of the service you want to delete and click the Delete button No...

Page 37: ...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 Public IP Ports A single public IP...

Page 38: ...syslog alert notifications see page 53 y Configure a local client computer as a local DMZ for unrestricted two way Internet access see page 56 Enabling or Disabling Firewall The Security Settings Fire...

Page 39: ...can configure a maximum of 35 predefined and custom defined filters Figure 21 Access Control Menu Adding a Predefined Service to Access Control Using the following procedure you can select well known...

Page 40: ...tton to the left of the service you want to change and click the Edit button When the Predefined Access Rules menu appears edit the settings as necessary see Table 9 and click Apply Click Apply in the...

Page 41: ...l IP addresses End IP Ending IP address in the local IP address range This field is unavailable if the Gateway is configured for any local IP addresses or a single local IP address Adding a Customer D...

Page 42: ...To delete a customer defined service access rule click the radio button to the left of the rule you want to delete and click the Delete button No precautionary message appears before you delete a cus...

Page 43: ...ss here and the ending IP address range in the next field This field is unavailable if the Gateway is configured for any local IP addresses End IP Ending IP address in the local IP address range This...

Page 44: ...ton When the Predefined Access Rules menu appears edit the settings as necessary see Table 7 and click Apply Click Apply in the Security Settings Firewall menu to save your settings 7 To delete a pred...

Page 45: ...become available 2 Under Customer Defined Filtering Table click the Add button The Customer Defined Filter menu appears see Figure 25 3 Complete the fields in the Customer Defined Filter menu see Tabl...

Page 46: ...e of LAN IP addresses 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 and the ending IP address range in th...

Page 47: ...information Assume for example that to use 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...

Page 48: ...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 change the settings for...

Page 49: ...Configuring Your Gateway Figure 27 Trigger Menu 49 SMCD3G Cable Modem Gateway User Manual...

Page 50: ...a VOIP application a session initiated from a third host is permitted For example assume Client A is trying to make a phone call to a host B Client A tries to communicate with the Media Gateway Contro...

Page 51: ...mputer from being exempted use the Delete or Delete All buttons next to the field to delete selected or all MAC addresses in the field 3 To block a site enter in the Type new Keyword Domain here field...

Page 52: ...click the Schedule Rule submenu in the menu bar Figure 29 shows an example of the menu Figure 29 Schedule Rule Menu To configure a schedule rule 1 In the Schedule Rule menu check the days when you wa...

Page 53: ...es to the syslog when y Traffic is blocked 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 s...

Page 54: ...ss name that will appear as the sender in the email notifications 2 Under Mail Server Authentication enter the following information User Name your email name Password your email password 3 Under Reci...

Page 55: ...te an immediate email alert check Send Email in the alert option When intrusion is detected 7 Click Apply Figure 31 Recipient Adding Menu Configuring Syslog Entries To have the Gateway add a syslog en...

Page 56: ...because the client is not protected so use this option as a last resort To access the DMZ Demilitarized Zone menu click Firewall in the menu bar and then click the DMZ submenu in the menu bar Figure 3...

Page 57: ...default settings use the Reset switch on the rear panel of the Gateway see page 13 To access the Reboot menu click Tools in the menu bar and then click the Reboot submenu in the menu bar Figure 33 sho...

Page 58: ...versions RF cable and RG WAN MAC addresses and serial number y Interfaces uptime and traffic count y Network log with buttons to clear the log and refresh its contents y LAN client log with buttons to...

Page 59: ...Configuring Your Gateway Figure 35 Example of Status Page 59 SMCD3G Cable Modem Gateway User Manual...

Page 60: ...0M RJ 45 ports Cable Modem Interface y DOCSIS 1 1 2 0 3 0 compliant y 64 256QAM auto detection y Supports maximum DOCSIS transfer rates y Independent resets for downstream and upstream blocks y Fragme...

Page 61: ...rusion Detection y Comprehensive Logging y Denial of Service DoS prevention y VPN Termination IPSec PPTP L2TP IKE y Trojan Horse Prevention y Content and Filtering Features y Smart Tracking y DMZ y Em...

Page 62: ...Hz 400KHz 800Khz 1600KHz 3200KHz and 6400KHz y Output Impedance 75ohms y Output Return Loss 6dB Management y Browser and CLI based management via RF and WAN interfaces Indicator Panel y Power green y...

Page 63: ...C Part 15B Subpart B Class B y UL Cul Dimensions y W x D x H 268 x 156 x 42mm 10 55 x 6 14 x 1 65 in y Weight 0 52kg 1 15 lbs Input Power y 12V 2A Power Supply Energy Star Rating y Level IV 63 SMCD3G...

Page 64: ...ation 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 undesire...

Page 65: ...puter exempted from URL blocking 51 Configuration 23 TCP IP 17 Configuring email alerts 54 special applications 47 syslog entries 55 Configuring the Gateway access control 39 DHCP 32 firewall 38 idle...

Page 66: ...ts 10 Special Application 47 powering on 16 Status 58 preconfiguring 24 System Settings 29 rear panel 13 Trigger 48 rebooting and keeping custom settings 57 URL Blocking 50 rebooting and restoring cus...

Page 67: ...ecial applications 47 Specifications 60 Status menu 58 Syslog alerts 53 Syslog entries 55 System requirements 10 System Settings menu 29 T TCP IP configuration 17 Apple Macintosh 22 Microsoft Windows...

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