Introduction
In certain environments where a non-Cisco cable modem (CM) is used, and the CM is only capable of bridging, a Cisco router, such as the Cisco 806, can be connected to the CM via the Ethernet interface. The routing is then performed by the router behind the CM. The next step is connecting the client PC or Customer Premises Equipment (CPE) to the router. After making this connection, the Network Address Translation (NAT) is configured on the router.
Prerequisites
Requirements
There are no specific requirements for this document.
Components Used
The information in this document is based on these software and hardware versions:
*806 series router running Cisco IOS® release 12.2(2)XI
*CM router acting as a bridge
*PC running Windows 2000 acting as the CPE
uBR7246VXR Cable Modem Termination System (CMTS)
Note: Only the Cisco 806 router configurations are shown in this document. For more information on configuring the CMTS, refer to Cable Technology Configuration Examples and Tech Notes.
The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command.
Conventions
Refer to Cisco Technical Tips Conventions for more information on document conventions.
Configure
In this section, you are presented with the information to configure the features described in this document.
Note: Use the Command Lookup Tool ( registered customers only) to find more information on the commands used in this document.
Network Diagram
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