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SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual

Figure 39. RIP Control Menu

Summary of Contents for SMCD3GN3

Page 1: ...MCD3GN3 Administrator User Manual DOCSIS 3 0 Wireless Cable Modem Gateway FastFind Links Getting to Know the Gateway Installing the Gateway Configuring Your Computer for TCP IP Configuring the Gateway...

Page 2: ...the 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...

Page 3: ...to the LAN 17 Connecting the WAN 18 Powering on the Gateway 18 3 Configuring Your Computer for TCP IP 19 Configuring Microsoft Windows 2000 20 Configuring Microsoft Windows XP 21 Configuring Microsof...

Page 4: ...Access Control Menu 60 QoS Settings Menu 62 Port Based QoS Menu 64 CoS Settings Menu 65 DSCP Based QoS Menu 67 Queue Settings Menu 69 DSCP Remarking Menu 71 Routing Menus 73 Static Routes Menu 73 RIP...

Page 5: ...emotely 134 Restoring the Gateway s Current Configuration Remotely 135 Restoring Factory Defaults 136 Using the Reboot Menu to Reboot the Gateway 137 Using the Diagnostics Menu 138 Using the Ping Tool...

Page 6: ...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 l...

Page 7: ...ryption 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...

Page 8: ...mation Document Conventions 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 attenti...

Page 9: ...ch 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 ang...

Page 10: ...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 y Unpacking Package Contents page 11 y System Require...

Page 11: ...E 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 suppor...

Page 12: ...ng 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 1 shows...

Page 13: ...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 Blinking...

Page 14: ...f the SMCD3GN3 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 15: ...way you can use the GUI to either power cycle the Gateway see Using the Reboot Menu to Reboot the Gateway on page 137 or return the Gateway to its factory default settings see Restoring Factory Defaul...

Page 16: ...lling the Gateway This chapter describes how to install the SMCD3GN3 Wireless Cable Modem Gateway The topics covered in this chapter are y Finding a Suitable Location page 17 y Connecting to the LAN p...

Page 17: ...ping 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 sec...

Page 18: ...oaxial patch cables with F type connectors at both ends for all connections 4 Hand tighten the connectors to secure the connection Powering on the Gateway After making your LAN and WAN connections use...

Page 19: ...be used 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 Configurin...

Page 20: ...con 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 Connection Statu...

Page 21: ...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 ap...

Page 22: ...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 Connec...

Page 23: ...s 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...

Page 24: ...n 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 Are...

Page 25: ...able Modem Gateway Administrator 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...

Page 26: ...sh Computer 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 scr...

Page 27: ...that the NIC connected to the SMCD3GN3 is selected in the Show field 8 In the Configure field on the TCP IP tab select Using DHCP see Figure 14 9 Click Apply Now to apply your settings and close the...

Page 28: ...apter describes how to use a Web browser to configure the Gateway The topics covered in this chapter are y Pre configuration Guidelines page 29 y Accessing the Gateway s Web Management page 31 y Under...

Page 29: ...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 In...

Page 30: ...hange 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 select...

Page 31: ...e Gateway and its ports To access the SMCD3GN3 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 o...

Page 32: ...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 If you click a menu that...

Page 33: ...lnet and enable or disable remote management of the Gateway s administrator interface 43 System Customer UI Setup Select which configuration options on the Gateway s user configuration menus are shown...

Page 34: ...he Gateway adjusts to physical changes in the network s layout and exchange routing tables with other routers 75 Routing OSPF Control Control how the Gateway uses the Open Shortest Path First OSPS pro...

Page 35: ...etwork and local computers try to access block URLs 125 Firerwall DMZ Configure a local client computer for unrestricted two way Internet access by defining it as a Virtual DMZ host 129 Tools Provides...

Page 36: ...or disable all commercial Gateway functions y Define the Gateway s name and enable it for command line prompt y Enable or disable UPnP and HNAP To access the System Settings menu click System in the m...

Page 37: ...prompts default Enable UPnP Configures the Gateway as a Universal Plug and Play UPnP Internet gateway UPnP allows for dynamic connectivity between devices on a network A UPnP enabled device like the G...

Page 38: ...tworking protocol that provides centralized authentication authorization and accounting management for computers to connect and use a network service y TACACS is a remote authentication protocol used...

Page 39: ...39 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual...

Page 40: ...40 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 19 Password Settings Menu...

Page 41: ...racter appears as a dot y Customer New Password Enter the new case sensitive password your customers will use to log in to the Gateway Web management interface A password can contain up to 32 alphanum...

Page 42: ...s ASCII for the primary server and ASCII for the secondary server Secret shared between the Gateway and TACACS servers For security purposes every typed character appears as a dot y TACACS Authenticat...

Page 43: ...s address field y For Telnet users specify the WAN IP address and the remote Telnet management port Using the Remote Management menu you can enable HTTP Telnet HTTPS and SSH and specify the port numbe...

Page 44: ...rator configuration options Checked administrator remote management is enabled default Unchecked administrator remote management is disabled Customer remote management Enables or disables remote acces...

Page 45: ...45 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual...

Page 46: ...lly assigned by a Dynamic Host Configuration protocol DHCP server Using the WAN Settings menu you can assign your own static WAN IP and DNS addresses to the Gateway By default both options are disable...

Page 47: ...47 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 22 WAN Settings Menu...

Page 48: ...dress the Gateway WAN IP Subnet Mask Enter the subnet mask for the Gateway WAN Gateway IP Address Enter the Gateway IP address Release Renew button Click this button to release and then renew the Gate...

Page 49: ...the WAN IP for NAT translation no MAC spoofing is necessary To access the MAC Spoofing menu click WAN in the menu bar and then click the MAC Spoofing submenu Figure 23 shows an example of the menu an...

Page 50: ...annot be used to connect directly to the Internet Some of the advantages of private IP addresses include y Increased security since private IP addresses are not routable across the Internet y You cons...

Page 51: ...51 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 24 LAN Settings Menu...

Page 52: ...s disabled Lease Time Amount of time a DHCP network user is allowed connection to the Gateway with their current dynamic IP address Default is One Week This option is available when Enable DHCP Server...

Page 53: ...u 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 c...

Page 54: ...t regardless of the auto negotiation and duplex settings uncheck Enable for the port 3 Click Apply LAN Access Control Menu Using the LAN Access Control menu you can y Allow all EtherLAN client station...

Page 55: ...55 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 26 LAN Access Control Menu...

Page 56: ...trict 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 stations...

Page 57: ...he 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 Tab...

Page 58: ...e Additional Public Lan menu you can add more than one public subnet to the LAN interface To access the Additional Public Lan menu click LAN in the menu bar and then click the Additional Public Lan su...

Page 59: ...w public subnet 3 In the Subnet Mask row add the subnet mask for the new public subnet 4 Click Apply to add the IP address and subnet Or click Back to return to the previous menu or Cancel to cancel t...

Page 60: ...ton to the left of the subnet you want to delete and click the Delete button No precautionary message appears before you delete a subnet Click Apply in the Additional Public Lan menu to save your sett...

Page 61: ...ngle Address type the four octets of the IP address you want to block The second set of four fields in unavailable If you select Address Range in the first four fields type the first four octets of th...

Page 62: ...ple of the menu By default QoS is enabled To enable the Gateway s QoS module check Enable QOS Module and click Apply To disable the Gateway s QoS module uncheck Enable QOS Module and click Apply If yo...

Page 63: ...63 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 30 QoS Settings Menu...

Page 64: ...submenu in the menu bar Figure 31 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 62 Figure 3...

Page 65: ...gardless of 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 man...

Page 66: ...r priority 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 ste...

Page 67: ...de values into 8 queues Table 11 shows the actual queuing Table 11 Queuing for DSCP Based QoS Name Precedence DSCP Range Priority Routing default 000 0 000000 0 000111 7 8 Priority 001 1 001000 8 0011...

Page 68: ...eck Enable DSCP Based QoS 2 For each index select 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 of...

Page 69: ...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 Queue...

Page 70: ...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 are 8...

Page 71: ...arking mode and actions To access the Queue Settings menu click QOS in the menu bar and then click the DSCP Remarking submenu in the menu bar Figure 36 shows an example of the menu Note The DSCP Remar...

Page 72: ...ions require a robust network treatment like expedited forwarding When checked the Gateway requests a remarking action if DSCP equals an expedited forwarding code point By default this option is not c...

Page 73: ...and exchange routing tables with other routers See page 75 y OSPF control lets you control how the Gateway works with the OSPF protocol See page 79 Static Routes Menu A static route is a pre determin...

Page 74: ...of 255 255 255 0 and a gateway IP address of 192 168 100 33 Adding Static Routes To add static routes 1 In the Static Routes menu click Add The Add Static Routes menu in Figure 38 appears Figure 38 Ad...

Page 75: ...and the sender is indicated as the next hop RIP routers maintain only the best route the route with the lowest metric value to a destination After updating its routing table the router immediately be...

Page 76: ...76 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 39 RIP Control Menu...

Page 77: ...on the network This selection sends the authenticating password over the network possible making it available to individuals who can access packets off the network Do not use this option as part of yo...

Page 78: ...78 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Neighbor Enter the IP address of the Gateway s RIP neighbor router...

Page 79: ...e same routing table information Unlike RIP in which the entire routing table is sent the host using OSPF sends only the part that has changed With RIP the routing table is sent to a neighbor host at...

Page 80: ...of your security strategy Rather use it to avoid accidental changes to the routing infrastructure If you select this setting the first field in the Authentication Key ID option becomes available for e...

Page 81: ...o cancel any selections you made If you clicked Apply the OSPF area is added to the Additional OSPF area Table 5 To configure additional OSPF area up to 5 repeat steps 1 through 4 When you finish clic...

Page 82: ...Table 16 Adding OSPF Area Menu Options Option Description Area ID Area ID associated with the OSPF interface IP Address IP address associated with the OSPF interface Subnet Mask Subnet mask associated...

Page 83: ...such as y Enabling or disabling the Gateway s wireless operation y Selecting a wireless mode y Configuring primary and multiple SSIDs y Configuring channel settings To access the Wireless Basic Settin...

Page 84: ...this setting if you have a combination of IEEE 802 11b IEEE 802 11g and IEEE 802 11n devices on your network default Primary Multiple SSID settings SSID is the network name shared among all devices i...

Page 85: ...figured 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 43 sh...

Page 86: ...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 securit...

Page 87: ...87 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 44 WEP Options...

Page 88: ...thentication Authentication used Choices are Open System clients can only associate to the wireless access point using Open Option default Shared Key all wireless stations share the same secret key Au...

Page 89: ...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 Pleas...

Page 90: ...with WPS because the wireless network name and security 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 Figu...

Page 91: ...e Modem Gateway Administrator Manual By default WPS is disabled If you select ENABLE and click Apply the options in Figure 47 are displayed Table 21 describes the options shown Figure 47 WPS Setup Men...

Page 92: ...y 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 mode Determines whether WPS can be configu...

Page 93: ...l wireless station access y 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 48 shows an example of the menu...

Page 94: ...94 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 48 MAC Filtering Menu...

Page 95: ...dd 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 to defi...

Page 96: ...r the Gateway To access the Advanced Wireless Settings menu click Wireless in the menu bar and then click the Advanced Wireless Settings submenu Figure 49 shows an example of the menu and Table 23 des...

Page 97: ...97 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 49 Wireless Advanced Settings Menu...

Page 98: ...eld used for pure network of 802 11n access points and clients taking full advantage of the high throughput capabilities of the 11n MIMO architecture Channel BandWidth Select a channel bandwidth of 20...

Page 99: ...k Enable NAT Module and click Apply To enable it check Enable NAT Module and click Apply If you enable the Gateway s NAT module the following submenus appear under NAT in the menu bar y Port Forwardin...

Page 100: ...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...

Page 101: ...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 5 To configure add...

Page 102: ...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 fo...

Page 103: ...checked unchecked is the default setting 2 Click the Add button below the Customer Defined Service Table The Customer Defined Service menu appears see Figure 53 3 Complete the fields in the Customer...

Page 104: ...104 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 53 Customer Defined Service Menu...

Page 105: ...r 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 Publi...

Page 106: ...o access the 1 to 1 Mapping menu click NAT in the menu bar and then click the 1 to 1 Mapping submenu Figure 54 shows an example of the menu By default 1 to 1 mapping is disabled To enable it uncheck D...

Page 107: ...The Adding NAT 1 to 1 Mapping Entry menu appears see Figure 55 3 Complete the fields in the Predefined Service menu see Table 26 4 Click Apply Or click Back to return to the 1 to 1 Mapping menu or cli...

Page 108: ...e and click the Delete button No precautionary message appears before you delete a mapping 8 Click Apply in the 1 to 1 Mapping menu to save your settings Figure 55 Adding NAT 1 to 1 Mapping Entry Tabl...

Page 109: ...Gateway for special applications see page 108 y Set up URL blocking see page 122 y Schedule routes see page 124 y Receive email or syslog alert notifications see page 125 y Configure a local client co...

Page 110: ...abling the firewall hides the submenus below the Firewall menu The Security Settings Firewall menu also provides an option for enabling or disabling the Session Initiation Protocol SIP application lay...

Page 111: ...he 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 105 By...

Page 112: ...ade 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 acce...

Page 113: ...113 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 58 Predefined Access Rules Menu...

Page 114: ...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 addr...

Page 115: ...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 including...

Page 116: ...116 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 59 Customer Defined Access Rules Menu...

Page 117: ...s 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 IP...

Page 118: ...y 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 filter...

Page 119: ...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 ente...

Page 120: ...y 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...

Page 121: ...121 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 61 Customer Defined Filter Menu...

Page 122: ...s End IP Ending IP address in the LAN IP address range to which the filter will be applied This field is unavailable if the Gateway is configured for any LAN IP address or a single LAN IP address From...

Page 123: ...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 it also could initiate another session...

Page 124: ...he 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 ch...

Page 125: ...ations 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 necessary...

Page 126: ...tes You can 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 cli...

Page 127: ...a computer from URL blocking enter the computer s MAC address in the Add exempted PC field and click the Add Trusted Host button The MAC address you entered appears in the Exempted PC List Repeat this...

Page 128: ...ain name use the Delete or Delete All buttons next to the field to delete selected or all keywords and or domains 4 Click Apply Configuring Schedule Rules Schedule rules work with the Gateway s URL bl...

Page 129: ...dnight to Noon and PM refers to times from Noon to Midnight 3 Click Apply Configuring Email and Syslog Alerts The Gateway inspects packets at the application layer and stores TCP and UDP session infor...

Page 130: ...ure 66 shows an example of the menu The menu has three sections y The top area lets you configure the Gateway to send email notifications y The middle area lets you add syslog entries y The bottom are...

Page 131: ...131 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 66 Email Syslog Alert Menu...

Page 132: ...list click Add When the Recipient Adding menu appears see Figure 67 enter the name of the person who will receive email notifications and the person s email address and then click Apply Or click Back...

Page 133: ...e 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 to t...

Page 134: ...Zone DMZ host Adding a client to the DMZ may expose your local network to various security risks because the client in the DMZ is not protected by the firewall To access the DMZ Demilitarized Zone me...

Page 135: ...iguration settings allows you to restore a configuration by importing the configuration settings back into the Gateway Using the Configuration Tools menu you can y Switch working scripts See page 132...

Page 136: ...136 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 69 shows an example of the menu...

Page 137: ...137 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 69 Configuration Tools Menu...

Page 138: ...o back up running appears next to the script that is currently running 2 Click the Back Up button 3 When the File Download dialog box appears see Figure 70 click Save Or click Open to view the file pr...

Page 139: ...ration settings locally use the following procedure to restore the settings locally Note Restoring the Gateway s settings from a configuration file erases all of the Gateway s current settings 1 If on...

Page 140: ...o not restore the configuration from the file Figure 72 Warning Message when Restoring from a Configuration File Backing Up the Gateway s Current Configuration Remotely You can back up the Gateway s c...

Page 141: ...tely backup restore Gateway settings enter the IP address of the TFTP server in the TFTP Server Address field 2 In the Gateway Config Filename field enter the name of the configuration file 3 If one o...

Page 142: ...the Gateway Note Rebooting the Gateway removes any customized overrides you made to the default settings To reboot the Gateway and retain any customized settings use the Reboot menu see Using the Rebo...

Page 143: ...he Reboot submenu in the menu bar Figure 74 shows an example of the menu Figure 74 Reboot Menu To reboot the Gateway and retain all changes made to its factory default settings 1 In the Reboot menu cl...

Page 144: ...ation and router and use ping to ascertain whether the destination is available This menu also lets you specify the IP address for a log server and the sniffing time to record the upstream and downstr...

Page 145: ...vice is connected to the Gateway To perform ping activities use the following procedure under Ping on the Diagnostics menu 1 Enter the IP address or domain name of a target host in the Ping field 2 In...

Page 146: ...146 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 78 Example of Results for a WAN Ping...

Page 147: ...and why the route is lost Using the trace route tools you can map the network path in real time from the Gateway to a local or public host To perform trace route activities use the following procedur...

Page 148: ...148 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 79 Example of Results for Trace Route Figure 80 Example of Results for a WAN Trace Route...

Page 149: ...traffic to Log Server on the Diagnostics menu 1 In the first four fields enter the IP address of the log server 2 In the for field enter the number of seconds that inspected traffic is to be sent to t...

Page 150: ...s a master time source for other systems on your network Note While SNTP typically provides time within 100 milliseconds of the accurate time it does not provide the complex filtering and statistical...

Page 151: ...through the Internet all the way to the corporate servers and database The Gateway supports the Internet Protocol Security IPSec to secure IP traffic IPSec builds virtual tunnels between a local and r...

Page 152: ...cked functioned are enabled Disable PPTP VPN Functions Lets you enable the Gateway s Point to Point Protocol PPP VPN functions Select the option based on the type of Internet connection you will provi...

Page 153: ...nu to Allow CPEs to Access IPSec VPN Tunnel You can use the Access Control menu to allow PC clients behind the Gateway to access the IPSec VPN tunnel To access the Access Control menu click VPN in the...

Page 154: ...perform the following steps under Auto Learned CPE Devices a Click a CPE that the Gateway learned automatically b Click Add to add the CPE to the VPN Access List c To add more auto learned CPEs up to...

Page 155: ...Wireless Cable Modem Gateway Administrator Manual To access the VPN Tunnel Configuration menu click VPN in the menu bar and then click the IPsec Tunnel Configuration submenu Figure 85 shows an exampl...

Page 156: ...n the VPN menu uncheck Disable IPsec VPN Functions and click Apply see Figure 83 Otherwise the buttons for adding editing and deleting VPN tunnels on the VPN Tunnel Configuration menu will be unavaila...

Page 157: ...Configuration menu or Cancel to cancel any selections you made If you clicked Apply the tunnel is added to the Tunnel Table 7 To define additional tunnels up to five repeat steps 4 through 6 8 To chan...

Page 158: ...ust use the same key otherwise the VPN tunnel cannot be established Key Management IKE IKE Life Duration Length to time or amount of transfer before the Security Association is renegotiated Authentica...

Page 159: ...the VPN tunnel cannot be established This field is gray and unavailable if AH is selected for IPSec operation ESP AUTH Authentication method used when ESP is selected for IPSec Operation Both ends of...

Page 160: ...ion displayed or send the logs to a drive location Before you can send the logs to a drive location enable email and syslog notification on the Email Syslog Alert menu see page 125 Using the VPN PPTP...

Page 161: ...be unavailable Disable PPTP VPN Functions Disable L2TP over IPsec VPN Functions 3 In the menu bar under VPN click the PPTP L2TP Configuration submenu 4 In the VPN PPTP L2TP User Configuration menu cli...

Page 162: ...es that all VPN clients and gateways use the same pre shared key or phrase If the pre shared phrase is changed because it has been compromised you must manually change the phrase on each device that u...

Page 163: ...DHCP clients currently connected to the Gateway y 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...

Page 164: ...164 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 90 shows an example of the status information shown...

Page 165: ...165 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual...

Page 166: ...166 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 90 Example of Status Page...

Page 167: ...ge is a read only 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 manage...

Page 168: ...168 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 91 shows an example of the cable status information shown...

Page 169: ...169 SMCD3GN2 Wireless Cable Modem Gateway Administrator Manual Figure 91 Example of Cable Status Page...

Page 170: ...lt the dealer or an experienced radio TV technician for help The device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful...

Page 171: ...s Settings menu 89 Alert options 124 Alerts 121 Apple Macintosh TCP IP configuration 26 Auto negotiation 50 B Blocking domain 120 keyword 119 C Cable Status menu 154 Changing login password 38 Cipher...

Page 172: ...panel 12 LEDs 13 G Gateway configuring 28 connecting to the LAN 17 connecting to the WAN 18 front panel 12 installing 16 key features vii LEDs 13 locating 17 package contents 11 powering on 18 preconf...

Page 173: ...el Configuration 144 WAN Settings 45 Wireless Basic Settings 79 Wireless Encryption Settings 81 WPS Setup 84 Microsoft TCP IP configuration for Windows 2000 20 TCP IP configuration for Windows 7 24 TC...

Page 174: ...System Settings menu 36 T TACACS configuration 38 TACACS configuration 38 TCP IP configuration 19 Apple Macintosh 26 Microsoft Windows 2000 20 Microsoft Windows 7 24 Microsoft Windows Vista 22 Microso...

Page 175: ...Security Settings Firewall menu 101 SNTP Settings menu 140 Special Application menu 115 Static Routes menu 70 Status menu 152 System Settings menu 36 Trigger menu 116 URL Blocking menu 118 URL Email S...

Page 176: ...20 Mason Irvine CA 92618 U S A http www smc com Document number 3121RRR081111...

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