Cisco Router DPC3925 User Manual
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4021192 Rev B 81 Manage the Gateway Field Description Remote Access Remote Management Allows you to enable to disable remote management. This feature allows you to access and manage your gateway settings from the Internet when you are away from home. To allow remote access, select Enable. Otherwise, keep the default setting, as Disable. The protocol HTTP is required for remote management. To remotely access the device, enter https://xxx.xxx.xxx.xxx:8080 (the xs represent the devices public Internet IP address, and 8080 represents the specified port) in your web browsers Address field. Management Port Enter the port number that will be open to outside access. The factory default setting is 8080. This port must be used when you establish a remote connection. UPnP UPnP Universal Plug and Play (UPnP) allows Windows XP and Vista to automatically configure the Gateway for various Internet applications, such as gaming and videoconferencing. If you want to use UPnP, keep the default, Enable. Otherwise, select Disable. IGMP IGMP Proxy Internet Group Multicast Protocol (IGMP) is used to establish membership in a multicast group and is commonly used for multicast streaming applications. For example, you may have Internet Protocol Television (IPTV) with multiple set-top boxes on the same local network. These set-top boxes have different video streams running simultaneously, so you should use the IGMP feature of the Router. IGMP forwarding (proxying) is a system that improves multicasting for LAN-side clients. If the clients support this option, keep the default, Enable. Otherwise, select Disable.
82 4021192 Rev B Manage the Gateway Administration > Reporting Administration reporting allows you to email various system activities to your email address. Select the Reporting tab to open the Administration Reporting page. Use the descriptions and instructions in the following table to configure the reporting feature on the gateway. After you make your selections, click Save Settings to apply your changes or Cancel Changes to cancel. Section Field Description Reporting E-Mail Alerts If enabled, an e-mail will be sent immediately if any reportable events are detected. To use this feature, provide the necessary e- mail address information. SMTP Mail Server Enter the address (domain name) or IP address of the Simple Mail Transport Protocol (SMTP) server you use for outgoing e-mail. E-Mail Address for Alert Logs Enter the e-mail address that should receive the logs.
4021192 Rev B 83 Manage the Gateway View Log To view the logs, complete the following steps. 1 Click View Log. A new window opens with the log data page. 2 To view a particular log, select one of the following options from the Type drop- down menu: All Access Log Firewall Log VPN Log 3 After the log data is displayed, use one of the following options: Click the Page Refresh button to update the log. Click the Clear button to clear all the information in the current log. Click the Previous Page button to go back to the information previously displayed. Click the Next Page button to see the next section of the log, if available.
84 4021192 Rev B Manage the Gateway Administration > Diagnostics Administration diagnostics allow you to check the status of your Internet connection by using a Ping test. Select the Diagnostics tab to open the Administration Diagnostics page. Use the descriptions and instructions in the following table to configure the diagnostics feature on the gateway. After you make your selections, click Save Settings to apply your changes or Cancel Changes to cancel. Section Field Description Ping Test Ping Test Parameters Ping Target IP The IP address that you want to ping Ping Size The size of the packet you want to use Number of Pings The number of times you wish to ping the target device Ping Interval The time period (milliseconds) between each ping Ping Timeout The desired time period (milliseconds) of the timeout. If no response is received within this ping period, the ping test is considered a failure Start Test To start a test, complete the following steps. 1 Click Start Test to begin the text. A new page opens and displays a summary of the test results. 2 Click the Save Settings to save the test results or click Cancel Changes to cancel the test.
4021192 Rev B 85 Manage the Gateway Administration > Backup & Restore Administration Backup & Restore allows you to back up you configuration of the Gateway and store it on your computer. You can use this file to restore a previously saved configuration for your Gateway. Select the Back Up & Restore tab to open the Administration Back Up & Restore page. CAUTION: Restoring a configuration file will destroy (overwrite) all of the existing settings. Section Field Description Back Up Configuration Use the Back Up Configuration feature to save a copy of the current configuration and store the file on your computer. Click Back Up to start the download. Restore Configuration Use the Restore Configuration feature to restore a previously saved configuration file. Click Browse to select the configuration file, and then click Restore to load the configuration file to the device.
86 4021192 Rev B Manage the Gateway Administration > Factory Defaults The Administration Factory Defaults page allows you to restore the configuration to its factory default settings. Select the Factory Defaults tab to open the Administration Factory Defaults page. CAUTION: If you restore the factory defaults, the gateway will lose all of the settings you have entered. Before you reset the gateway to its factory default settings, write down all of your custom settings. After the defaults have been restored, you will have to re-enter all of your configuration settings. Restore Factory Defaults To restore factory defaults, click Restore Factory Defaults to reset all configuration settings to their default values. Any settings you have saved will be lost when the default settings are restored.
4021192 Rev B 87 Monitor Gateway Status Monitor Gateway Status This section describes the options available under the Status tab that you can use to monitor the status of the residential gateway and to perform diagnostics on the device and the network. Status > Gateway The Gateway Status page displays information about the gateway and its current settings. The on-screen information varies depending on the Internet Connection type you use. Select the Gateway tab to open the Status Gateway screen. Click Refresh to update the data displayed on-screen. Use the descriptions in the following table to review the status of your gateway and your Internet connection. Section Field Description Gateway Information Firmware Version The version number of the firmware. MAC Address (CM MAC Address) A unique alphanumeric address for the cable modem coaxial interface, which is used to connect to the cable modem termination system (CMTS) at the headend. A media access control (MAC) address is a hardware address that uniquely identifies each node of a network. Current Time The time, based on the time zone selected on the Basic Setup page is displayed.
88 4021192 Rev B Monitor Gateway Status Section Field Description Internet Connection IP Address Displays the IP address of the WAN interface. This address is assigned to the gateway when it goes online. Subnet Mask Displays the subnet mask for your WAN port. This address is automatically assigned to your WAN port by your ISP except when a static IP address is set up. Default Gateway The IP address of the ISPs Default Gateway. DNS1-3 The DNS IP addresses currently used by the gateway. WINS The WINS IP address currently used by the gateway. Status > Local Network The Local Network Status page displays information about the status of the local area network. Select the Local Network tab to open the Status Local Network page. Click Refresh to update the data on the page. Use the following table to review the status of your gateway and your Internet connection. Section Field Description Local Network MAC Address A unique alphanumeric address for the private LAN home network.
4021192 Rev B 89 Monitor Gateway Status Section Field Description A MAC address is a hardware address that uniquely identifies each node of a network. IP Address Displays the IP address for the LAN subnet Subnet Mask Displays the subnet mask for your LAN DHCP Server Displays the status of your local DHCP server (Enabled or Disabled) Starting IP Address Displays the beginning of the range of IP addresses used by the DHCP server in your gateway End IP Address Displays the end of the range of IP addresses used by the DHCP server DHCP Client Table Click DHCP Client Table to show which devices are attached to your LAN that have been issued IP addresses by the DHCP server in the gateway. On the DHCP Client Table page, you will see a list of DHCP clients (computers and other network devices) with the following information: Client Host Names, IP Addresses, MAC Addresses, and the length of time before their assigned IP addresses expire. To retrieve the most up-to-date information, click Refresh. To exit this page and return to the Local Network page, click Close. The following illustration shows an example of the DHCP Client Table.
90 4021192 Rev B Monitor Gateway Status ARP/RARP Table Click ARP/RARP Table to see a complete list of all devices that are connected to your network. To retrieve the most up-to-date information, click Refresh. To exit this page and return to the Local Network page, click Close. The following illustration shows an example of the ARP/RARP Table. Status > Wireless The Wireless Network Status page displays basic information about the wireless network of the gateway. Select the Wireless tab to open the Status Wireless page. Click Refresh to update the data on the page.