Manage Cisco DPC2320 Cable Modem

Cisco DPC2320 is a popular modem supplied by major cable Internet Service Providers. This tutorial explains how to manage this device and configure various features supported by it. It is actually a Wireless Residential Gateway which supports the features of both modem and WiFi router. So, if your Cable broadband service provider supplies DPC2320, you can share the broadband among multiple computers. The same tutorial can be used to configure and troubleshoot EPC2320 Euro DOCSIS Residential Gateway. It has one Ethernet port and WPS setup button. You can connect extra devices using the WiFi.



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1. Log in
   
   By default DPC2320 log in IP address is 192.168.0.1 and there is no default password or username.
   
   
   You can set up a password from the Password Settings under Basic Settings.
   
   
   
2. Set time
   
   If the time zone selected on DOCSIS Residential Gateway is wrong, you can correct it from 'Set Time' link under Setup.
   
   
   If the time zone is configured differently, Some cable ISP may prevent you from connecting to their server. If you ever face such a situation with DOCSIS Residential Gateway, you can fix it from the 'Set Time' page.
   
   
3. Backup
   
   If you ever required to reset the device, you might lose every current modification you made. So it is recommended to take a backup of the current modem configuration. You can save current Cisco DPC2320 configuration by pressing the link 'Save Configuration to Your PC' under setup.
   
   • Press the Download button to save the current configuration
     
     
   • You can upload the previous configuration from PC using the Choose File button
   
   
4. Check Status
   
   Click on the Status tab on the top menu to view the current status of the device.
   
   

   Name	Cisco DPC2320
   Modem Serial Number	267900411
   Cable Modem MAC Address	50:39:55:65:9c:8f
   Hardware Version	1.0
   Receive Power Level	-1.8 dBmV
   Transmit Power Level	54.7 dBmV
   Signal to Noise Ratio	42.0 dB
   Cable Modem Status	Operational
   Vendor	Cisco
   Boot Revision	2.3.1_D2R2(S)

   
   

To configure wireless and security on Cisco DPC2320, follow the steps below.

1. click on Setup
   
   
2. Click on Wireless basic
   
   Here you can set up the Wireless network name (Service Set Identifier) at SSID. You can also choose the right wireless channel for your network. Changing channel may help you to avoid noises. Here I have changed the default SSIS with the name of this blog CoreNetWorkZ.com and selected the channel as Auto.
   
   
   
3. click Apply button
   

To configure WiFi security on Cisco DPC2320 Cable Modem, follow the steps below.

1. Click Setup on the top menu
   
   
2. Click on Security under Wireless
   
   
3. Here change the device name and WPA Pre-Shared Key. If you have enabled WPA Pre-Shared Key, you must disable WEP. You can choose any one of the encryption standards from WEP, WPA-PSK, WPA-PSK2, and WPA.
   
   

You don't need to worry if you forgot the password you set for Cisco EPC2320 Euro DOCSIS. Log in to Cisco DPC2320 cable broadband modem using the IP address http://10.1.191.68/. One of the advantages of using this IP address is to bypass the modem login authentication. By typing the IP address 10.1.191.68 on the address bar, you will not be prompted to enter the username or password you have created. So we can say this IP address as the backdoor address to gain control of this model of Cisco Gateway.


On Cisco DPC2320 you have the facility to block a computer or any device from connecting to the network. You can do it by using the features IP filtering and MAC filtering. IP address filtering works only with devices having a static IP. If they refresh the current IP, most probably those devices will break this filter. MAC address filtering is more efficient because the MAC address is inbuilt address. However, there are so many MAC spoofing services which allow users to change the MAC address of their devices. Now let us check how to enable these two filters.

1. IP Filtering
   
   Click on 'IP Address Filtering' under advanced setup to block a particular IP from joining the WiFi. You can simply add the IP you want to block and click Apply.
   
   
   
2. MAC Address Filtering
   
   Click on 'MAC Address Filtering' under Advanced Setup.
   
   
   Here you can either white-list or blacklist MAC id.
   
   
   • Block Listed
     
     If you select block listed, all MAC id listed here will be blocked from joining the network.
     
     
   • Pass Listed
     
     If you select Pass Listed, all MAC id entered here are the only devices who can join the network. No devices without specifying their MAC in this filed will not join the network.

Here you can see the basic information about this device. To check the system details, you may look at the chart shown on this page. Here are the details I fetch from this page about this device.


Cisco DPC2320 (EPC2320 Euro DOCSIS Residential Gateway) has a special feature which allows us to check the connected devices. Under status bar, you can see the list of devices connected to the network with their MAC and IP. You can see the computers connected to this gateway and sharing your Internet under CPE Connections.


Right now two computers are connected to the network and you can see them here.


Since Cisco DPC2320 is a residential gateway, it has inbuilt firewall protection. Cisco DPC2320 may prevent the working of online applications like Online games because those applications use ports which are by default blocked by a firewall. If you face troubles with playing online games through this gateway, you might need to perform port forwarding.

1. Click on the Setup tab
   
   
2. Click on Port Forwarding under Advanced settings
   
   
3. Enter the Port number of the application
   
   
   
4. Click Apply

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