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SMCD

3

GN 

Wireless 

Summary of Contents for SMCD3GN

Page 1: ...SMCD3GN Wireless ...

Page 2: ...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 including photocopying and recording or stored in a database or retrieval system for any purpose without the express written permission of SMC Microsoft and Windows are registered trademarks of Microsoft ...

Page 3: ...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 an Apple Macintosh Computer 23 4 Configuring Your Gateway 24 Pre configuration Guidelines 25 Disabling Proxy Settings 25 Disabling Proxy Settings in Internet Explorer 25 Disabling Proxy Settings in Firefox 25 Disabling Proxy Setti...

Page 4: ...a Port Forwarding Entry for a Predefined Service 43 Adding a Port Forwarding Entry for a Customer Defined Service 45 Security Settings Firewall Menu 48 Enabling or Disabling Firewall 48 Configuring Access Control 49 Configuring Special Applications 49 Configuring URL Blocking 52 Configuring Schedule Rules 54 Configuring Email and Syslog Alerts 55 Configuring DMZ Settings 58 Using the Reboot Menu t...

Page 5: ...reless 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 Wireless Cable Modem Gateway v SMCD3GN Wireless Cable Modem Gateway User Manual ...

Page 6: ... Wireless WEP WPA and WPA2 encryption Hide 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 Stateful Packet Inspection Client privileges Hacker prevention Protection from denial of service DoS attacks Network Address Translation NAT y Universal Plug and Pl...

Page 7: ... 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 Symbol Meaning Description Note Notes emphasize or supplement important points of the main text Tip Tips provide helpful information guidelines or suggestions for performing tasks more effectively Warning W...

Page 8: ...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 optional values braces Ind...

Page 9: ...me 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 Front Panel page 11 y Configuring Wireless Security page 13 y Rear Panel page 13 y Restoring Factory Defaults page 14 9 SMCD3GN Wireless Cable Modem Gateway User Manual ...

Page 10: ...or damaged 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 you will need the following items y Provisioned Internet access on a cable network that supports cable modem service y A computer with a wired network adapter with TCP IP installed y A Java enab...

Page 11: ...itting diode LED indicators These LEDs show the status of your Gateway and simplify troubleshooting Figure 1 shows the front panel of the SMCD3GN Wireless Cable Modem Gateway Table 1 describes the front panel LEDs Figure 1 Front Panel of the SMCD3GN Wireless Cable Modem Gateway 11 SMCD3GN Wireless Cable Modem Gateway User Manual ...

Page 12: ...ging 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 Blinking data is transmitting ON connected at 10 or 100 Mbps...

Page 13: ...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 the SMCD3GN Wireless Cable Modem Gateway Table 2 SMCD3GN Wireless Cable Modem Gateway Rear Panel Components Item Description Power 12VDC Connect the supplied power adapter to this port LAN 1 4 Four ...

Page 14: ...ttings As a result any changes you made to the Gateway s default settings will be removed To reset the Gateway and keep any overrides you made to the factory default settings use the software reset method described under Using the Reboot Menu to Reboot the Gateway on page 59 1 Leave power plugged into the Gateway 2 Find the Reset button on the back panel then press and hold it for at least 10 seco...

Page 15: ...your SMCD3GN 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 Connecting the WAN page 17 y Powering on the Gateway page 17 15 SMCD3GN Wireless Cable Modem Gateway User Manual ...

Page 16: ...ween 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 security systems microwaves or the base for a cordless phone y Be away from any large metal surfaces such as a solid metal door or aluminum studs Large expanses of other materials such as glass insulated walls fish tanks mirrors brick and concr...

Page 17: ...SP or is replacing another cable modem contact your cable operator to register the SMCD3GN If the modem is not registered with your cable operator it will be unable to connect to the cable network system Powering on the Gateway After making your LAN and WAN connections use the following procedure to power on the Gateway 1 Connect the supplied power adapter to the port labeled 12VDC on the rear pan...

Page 18: ...omputer 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 y Configuring Microsoft Windows 2000 page 19 y Configuring Microsoft Windows XP page 20 y Configuring Microsoft Windows Vista page 21 y Configuring an Apple Macintosh Computer page 23 ...

Page 19: ... 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 button The Local Area Connection Properties dialog box appears 5 In the Local Area Connection Properties dialog box verify that Internet Protocol TCP IP is checked Then select Internet Protocol TCP IP and...

Page 20: ...us 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 Then select Internet Protocol TCP IP and click the Properties button The Internet Prot...

Page 21: ... then select 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 box verify that Internet Protocol TCP IPv4 is checked Then select Internet Protocol TCP...

Page 22: ...s 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 22 SMCD3GN Wireless Cable Modem Gateway User Manual ...

Page 23: ...ing 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 Preferences and select Network 2 Verify that NIC connected to the SMCD3GN is selected in the Show field 3 In the Configure field on the TCP IP tab select Using DHCP see Figure 10 4 Click Apply Now to apply your settings and close the TCP IP di...

Page 24: ...ur SMCD3GN 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 25 y Accessing the Gateway s Web Management page 27 y Understanding the Web Management Interface Screens page 28 y Web Management Interface Menus page 29 24 SMCD3GN Wireless Cable Modem Gateway User Manual ...

Page 25: ...nections 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 versions of stored pages select Every time I visit the webpag...

Page 26: ...onnection 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 Software Disable any firewall or security software that may be running on your computer For more information refer to the documentation for your firewall Confirming Your Gateway s Link Status Confirm that th...

Page 27: ...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 press the Enter key For example The Login User Password screen appears see Figure 11 Figure 11 Login User Password Screen 3 In the Login User Password screen enter the default username cusadmin and t...

Page 28: ... the main area scroll bars appear to the right of the main area so you can scroll up and down through the information Menu bar Help Apply and Cancel Buttons Home and Logout Buttons Main Area 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 the System m...

Page 29: ...ettings and set the system timeout 31 Wireless Lets you configure the wireless encryption MAC filtering and advanced wireless settings 35 NAT Lets you configure predefined and custom port forwarding settings to allow Internet users to access local services such as the Web Server or FTP server at your local site 43 Firewall Lets you configure firewall settings to limit the risk of hacker attack Sub...

Page 30: ...its capabilities learn about other connected UPnP devices and then communicate directly with those devices The same 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 Check uPnP is enabled on...

Page 31: ...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 15 shows an example of the menu and Table 5 describes the settings you can select Figure 1...

Page 32: ...nsitive password you typed in the New Password field For security purposes every typed character appears as a dot y Idle Time Out Your Web management interface sessions timeout after 10 minutes of idle time To change this duration enter a new timeout value LAN Settings Menu The LAN Settings menu lets you configure the LAN IP settings for the Gateway The private LAN IP is also the IP of the DHCP se...

Page 33: ...ser is allowed connection to the Gateway with their current dynamic IP address Ether Switch Port Control Menu By default your Gateway are enabled and configured to auto negotiate speed and duplex on its four LAN ports If these settings prevent the Gateway from successfully connecting with other devices you can use the Ether Switch Port Control menu to configure the Gateway to use specific speed an...

Page 34: ...ed and duplex setting a Uncheck the Auto check box for the port b Click the radio that corresponds to the fixed speed you want to use for that port c Under the Mode H F column leave the check mark for full duplex mode or uncheck it for half duplex mode 2 To disable a port regardless of the auto negotiation and duplex settings uncheck Enable for the port 3 Click Apply 34 SMCD3GN Wireless Cable Mode...

Page 35: ... By default the setting is enabled When wireless operation is enabled you can use the submenus below the Wireless menu to configure the Gateway s encryption MAC filtering and advanced wireless settings To disable it select DISABLE from the Wireless ON OFF drop down list When wireless operation is disabled the wireless submenus are not displayed in the menu bar Figure 18 Wireless Basic Settings Men...

Page 36: ...tings menu click Wireless in the menu bar and then click the Encryption submenu Figure 19 shows an example of the menu and Table 7 describes the settings you can select Note The Encryption submenu is not available in the menu bar if wireless operation is disabled in the Wireless Basic Settings menu see page 35 Figure 19 Wireless Encryption Settings Menu 36 SMCD3GN Wireless Cable Modem Gateway User...

Page 37: ... 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 20 and Table 8 WPA Personal select this option if your wireless adapters support WPA Personal This encryption method is superior to WEP and offers two cipher types ...

Page 38: ...n 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 can consist of from 8 to 63 ASCII characters You can use uppe...

Page 39: ...less clients Please check with your cable operator to see whether your operator uses a default pre shared key Pre Authentication Enables secure fast roaming without noticeable signal latency By default this option is disabled MAC Filtering Using the MAC Filtering menu you can allow wireless client stations to connect over a wireless connection in two ways y By allowing all wireless station access ...

Page 40: ...eway Wireless Control List Shows the device name and MAC address of up to 16 devices that you add to the MAC filter table To delete a device click the radio button to the left of the device you want to delete and click the Delete button A precautionary message does not appear before deleting the MAC address so be sure you do not need the MAC address before deleting it Auto Learned Wireless Devices...

Page 41: ... Wireless in the menu bar and then click the Advanced Wireless Settings submenu Figure 23 shows an example of the menu and Table 11 describes the settings you can select Note The Advanced Wireless Settings submenu is not available in the menu bar if wireless operation is disabled in the Wireless Basic Settings menu see page 35 Figure 23 Wireless Advanced Settings Menu 41 SMCD3GN Wireless Cable Mod...

Page 42: ...n 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 bandwidth operation mode default Guard Interval The guard interval is the period in nanoseconds that the Gateway listens between packets Choices are Long 800 ns guard interval Short 400 ns guard interval default MCS Modulation Coding Scheme MCS i...

Page 43: ...nu bar Figure 18 shows an example of the menu Figure 24 Port Forwarding Settings Menu Adding a Port Forwarding Entry for a Predefined Service Using the following procedure you can select well known services and specify the LAN host IP address es that will provide the service to the Internet 1 In the Port Forwarding menu click the Add button below the Predefined Service Table The Predefined Service...

Page 44: ...d 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 predefined service click the radio button to the left of the service you want to delete and click the Delete button No precautionary message appears before you delete a predefined service Click Apply in ...

Page 45: ... 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 IPs Any allow access to any public IP Public Port 8000 Private Port 80 With this configuration all HTTP Web TCP traffic on port 8000 from any IP address on the WAN side is redirected through the firewall to...

Page 46: ...lick 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 precautionary message appears before you delete a customer defined service so be sure you no longer need the service before you delete it Click Apply in the LAN Settings menu to save your settings Figure...

Page 47: ...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 port or a range of public IP ports on which the service is provided If necessary contact the application vendor for this information Start Public Port Starting number of the port on which the service is ...

Page 48: ...og alert notifications see page 55 y Configure a local client computer as a local DMZ for unrestricted two way Internet access see page 58 Enabling or Disabling Firewall The Security Settings Firewall menu provides an option for enabling or disabling the Gateway s firewall setting To access the Security Settings Firewall menu click Firewall in the menu bar Figure 27 shows an example of the menu By...

Page 49: ...re 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 Normally a normal treats the triggered sessions as independent sessions and blocks them However your Gateway can co relate the triggered ...

Page 50: ...ons A and B and automatically open the port for the incoming session B The maximum allowed triggers is 50 To enable disable the special application function users can check uncheck the Enable Triggering checkbox and press the APPLY icon to make it effective without reboot To display the Special Applications menu click Firewall in the menu bar and then click the Special Application submenu Figure 2...

Page 51: ...nu to save your settings 6 To change the settings for a trigger click the radio button to the left of the trigger you want to change and click the Edit button When the Trigger menu appears edit the settings as necessary see Table 14 and click Apply Click Apply in the Trigger menu to save your settings 7 To delete a trigger click the radio button to the left of the trigger you want to delete and cl...

Page 52: ...IP 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 Controller MGC first and provides host B s number to the MGC Then MGC checks its own database to find B and communicate with B to provide B the information about A B uses this information to communicate directl...

Page 53: ...itional 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 in the field 3 To block a site enter in the Type new Keyword Domain here field a keyword or domain name of the site you want to block and click Add Keyword The Blocked Keyword Domain List shows th...

Page 54: ... 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 32 shows an example of the menu Figure 32 Schedule Rule Menu To configure a schedule rule 1 In the Schedule Rule menu check the days when you want to use URL blocking 2 Specify the time when URL blocking is to start in the Start Time fields and the time when it ...

Page 55: ...o 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 syslog entries immediately or at a preconfigured time To access the Email Syslog Alert menu click Firewall in the menu bar and then click the Email Syslog Alert submenu in the menu bar Figure 33 shows an e...

Page 56: ...e Email Syslog menu under Mail Server Configuration enter the following information SMTP Server Address IP address of the SMTP server that will forward the email notification to recipients Sender s Email Address 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 56 ...

Page 57: ...mail address and click Apply 5 To delete an email recipient click the radio button to the left of the recipient and click Delete No precautionary message appears before you delete the email contact 6 To generate an immediate email alert check Send Email in the alert option When intrusion is detected 7 Click Apply Figure 34 Recipient Adding Menu Configuring Syslog Entries To have the Gateway add a ...

Page 58: ...use 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 35 shows an example of the menu Figure 35 DMZ Demilitarized Zone Menu To configure DMZ settings 1 In the DMZ Demilitarized Zone menu check Enable DMZ Host The 2 rightmost fields next to this option become ...

Page 59: ...the factory default settings use the Reset switch on the rear panel of the Gateway see page 14 To access the Reboot menu click Tools in the menu bar and then click the Reboot submenu in the menu bar Figure 36 shows an example of the menu Figure 36 Reboot Menu To reboot the Gateway 1 In the Reboot menu click Apply The precautionary message in Figure 37 appears 2 Click OK to reboot the Gateway or cl...

Page 60: ...page also provides network client and cable modem event log information with buttons for clearing and refreshing the logs and releasing IP The 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 Figure 38 shows an example of the status information shown 60 SMCD3GN Wireless Cable Modem Gateway User Manual ...

Page 61: ...Configuring Your Gateway Figure 38 Example of Status Page 61 SMCD3GN Wireless Cable Modem Gateway User Manual ...

Page 62: ...le 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 39 shows an example of the cable status information shown Figure 39 Example of Cable Status Page 62 SMCD3GN Wireless Cable Modem Gateway User Manual ...

Page 63: ...TR 68 coloring for 4 Ethernet port y Cable interface F type female 75 Ohm Channel Bonding y Downstream up to 4 channels y Upstream up to 4 channels Software Features y GUI displays common troubleshooting information modem status and feature setup y Full featured CLI provides enhanced troubleshooting and setup y DHCP server y Ipv6 support coexist Ipv4 y Downloadable configuration files allow for ea...

Page 64: ...tion y Independent resets for downstream and upstream blocks y Fragmentation and concatenation enabling Quality of Server QoS features y Supports 64 128 256 bit RC4 authentication and encryption Network Protocols y IEEE 802 1d compliant bridging y ARP y DHCP Client Server y ICMP y UDP y FTP TFTP y DNS Relay y Telnet y ToD Client 64 SMCD3GN Wireless Cable Modem Gateway User Manual ...

Page 65: ...mart Tracking y DMZ Receiver y Demodulation 64 256QAM y Input Frequency Range 88MHz 1002MHz y 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 y 222 48 200 Mbps with 4 DS channel bounding EuroDOCSIS Signal Level y 15dBmV to 15dBmV Automatic gain controlled by CM y 17 dBmV Transmitter y Modulation T...

Page 66: ...DOCSIS LEDs y Power y DS Downstream y US Upstream y Online y Link y Diag y WPS y LAN 1 4 y WiFi y USB Dimensions y L x W x H 26 8 x 15 5 x 3 5 mm 10 6 x 6 1 x 1 4 in y Weight 0 50kg 1 10 lbs Input Power y 12V 2A Regulatory Certification y FCC Part 15B Class B y UL cUL Power Supply Energy Star Rating y Level IV ...

Page 67: ...n 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 could void the user s authority to operate this equipment IEEE 802 11b or 802 11g operat...

Page 68: ...main 54 Disabling LAN ports 33 keyword 53 Disabling proxy settings C Firefox 25 Internet Explorer 25 Cable Status menu 62 Safari 26 Changing login password 31 Disabling security software 26 Cipher type 36 DMZ Demilitarized Zone menu 58 Computer exempted from URL blocking 53 Document Configuration 24 conventions vii TCP IP 18 organization vii Configuring Domain blocking 54 email alerts 56 Duplex mo...

Page 69: ...ing 16 LAN Settings 32 package contents 10 MAC Filtering 39 powering on 17 Password Settings 31 preconfiguring 25 Port Forwarding 43 rear panel 13 Reboot 59 rebooting and keeping custom settings 59 Schedule Rules 54 rebooting and restoring custom settings 14 Security Settings Firewall 48 specifications 63 Special Application 50 system requirements 10 Status 60 Web management 27 System Settings 30 ...

Page 70: ...ens in Web management 28 Security mode 36 Security Settings Firewall menu 48 Security software 26 Security configuring wireless 13 Service table customer defined 43 predefined 43 Special Application menu 50 Special applications 49 Specifications 63 SSID setting 36 Status menu 60 Syslog alerts 55 Syslog entries 57 System requirements 10 System Settings menu 30 T TCP IP configuration 18 Apple Macint...

Page 71: ...ettings menu 35 Security Settings Firewall menu 48 Wireless Encryption Settings menu 36 Special Application menu 50 Wireless Basic Settings menu 35 Status menu 60 Wireless Encryption Settings menu 36 System Settings menu 30 Wireless security 13 Trigger menu 50 WPA mode 36 71 SMCD3GN Wireless Cable Modem Gateway User Manual ...

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