Cisco Router DPC/EPC2425 DOCSIS User Manual

4028315 Rev A    41  
  How Do I Configure My DOCSIS Residential Gateway?
   
Field Name  Description 
Secondary 
DNS 
(static IP 
only)  Manual entry is required. Your ISP will provide the 
information for you to enter into this field. 
MTU Size  Sets the size of the maximum transmission unit (MTU) for the 
network interface. The default value is 0 (zero) 
Important: Do not change this value unless you are an 
experienced user. 
Function Keys 
The following function keys appear on the Setup Basic...

42    4028315 Rev A  
How Do I Configure My DOCSIS Residential Gateway?   
Setup Basic Settings - IP Management Page Example 
The following illustration is an example of  the Setup Basic Settings - IP Management 
page. 
  
Setup Basic Settings - IP Management Page Description 
The following tables provide a descriptio n of the fields within the Setup Basic 
Settings - IP Management page. 
Field Name  Description 
DHCP Server  Allows you to enable or disable the DHCP server  in the residential gateway  

4028315 Rev A    43  
  How Do I Configure My DOCSIS Residential Gateway?
   
Field Name  Description 
Starting Local Address  Displays the starting address used by the built-in  DHCP server to distribute Private LAN IP 
addresses. In the example shown, addresses 
between 2 and 9 can be used for devices on your 
Private LAN that require fixed IP addresses such 
as printers or a device assigned as a DMZ host 
Note: The LAN IP address ending in 1 is reserved 
for the internal gateway server. The LAN IP...

44    4028315 Rev A  
How Do I Configure My DOCSIS Residential Gateway?   
Reserving IP Addresses 
Use the Setup Basic Settings - Fixed CPE IP Assignment page to reserve IP 
addresses. This feature allows you to assign  a fixed IP address to any device in your 
network by setting static IP addresses  in your PC or other network device. 
These addresses will be removed from the p ool of the IP addresses to be used by 
your gateways DHCP server when issu ing IP addresses to devices that are 
connected to...

4028315 Rev A    45  
  How Do I Configure My DOCSIS Residential Gateway?
   
Setup Basic Settings - Fixed CPE IP Assignment Page Description 
The following tables provide a descriptio n of the fields within the Setup Basic 
Settings - Fixed CPE IP Assignment page. 
Field Name  Description 
MAC Address  The MAC address of the PC or device (for example, a  printer) for which you want to reserve a specific IP 
address on the network 
Assign to IP  The IP address you assign to the PC or device for which...

46    4028315 Rev A  
How Do I Configure My DOCSIS Residential Gateway?   
Setup Basic Settings - Restart Cable Modem Page 
The following illustration is an example of the Restart Cable Modem page. 
  
Saving Your Configuration 
Use the Setup Basic Settings - Save RG Config uration to Local PC page to save your 
current cable modem RG configuration to the  hard drive on your PC or to a floppy 
disk. You will then be able to restore the RG configuration, if necessary. 
Note:  If you are not familiar with...

4028315 Rev A    47  
  How Do I Configure My DOCSIS Residential Gateway?
   
To  Restore  your setting, click  Browse and select the backup configuration file name 
that you saved on your PC. The path and  filename of the backup configuration 
appears in the File Name field. Then, click  Download to restore your configuration 
file. A  Download Success  message appears when the restore is complete. 
 
Enabling and Disabling Advanced Features 
Use the Setup Advanced Settings - Options  page to enable or...

48    4028315 Rev A  
How Do I Configure My DOCSIS Residential Gateway?   
Field Name  Description 
Ipsec PassThrough  Checking this box allows applications that use IPSec (IP  Security) to pass through the firewall 
PPTP PassThrough  Checking this box allows applications that use Point to Point Tunneling Protocol (PPTP) to pass through the 
firewall 
Remote Config 
Management Checking this box enables Remote Configuration 
Management that allows the 
user or network operator 
to view and/or modify the...

4028315 Rev A    49  
  How Do I Configure My DOCSIS Residential Gateway?
   
Note:  If you are not familiar with the advanc ed settings detailed in this section, 
contact your service provider before you  attempt to change any of the residential 
gateway default advanced IP filtering settings. 
Click  IP Address Filtering  in the Advanced Settings section of the Setup page to 
access the Setup Advanced Settings - IP Filtering page. 
 
Setup Advanced Settings - IP Filtering Page 
The following...

50    4028315 Rev A  
How Do I Configure My DOCSIS Residential Gateway?   
Click MAC Address Filtering  in the Advanced Settings section of the Setup page to 
access the Setup Advanced Settings - MAC Filtering page. 
 
Setup Advanced Settings - MAC Filtering Page 
The following illustration is an example  of the Setup Advanced Settings - MAC 
Filtering page. 
  
Setup Advanced Settings - MAC  Filtering Page Description 
Use this link to enter the MAC address or  MAC addresses of devices whose Internet...