Cisco 827 - 827 Router - EN Guide de dépannage télécharger pdf (Page 104)

ip classless

ip route 0.0.0.0 0.0.0.0 <default gateway to isp>

ip route <default gateway to isp> 255.255.255.255 atm0.1

end

Troubleshoot Your Configuration

If your ADSL service is not working properly, see Troubleshooting RFC1483 Routing.

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Cisco DSL Router Configuration and Troubleshooting

Guide

RFC1483 Routing with a Single Static IP Address

Your Internet Service Provider (ISP) has assigned a single static public IP address to your Cisco Digital

Subscriber Line (DSL) Router.

Tip: If you are not familiar with configuring Cisco devices and would like to follow a step−by−step

configuration, click here.

Tasks to Perform

Note: A color code is used to relate tasks in this section with examples of configurations in the Configuration

section. Configurations are color−coded as follows: Dynamic Host Configuration Protocol (DHCP) Server,

Network Address Translation (NAT).

Design an IP addressing scheme for your private LAN.•

Manually configure an IP address and subnet mask on the Cisco DSL Router Ethernet interface.•

Configure the ATM interface (Asymetric Digital Subscriber Line (ADSL) interface) of the Cisco DSL

Router with an ATM permanent virtual circuit (PVC), encapsulation, and an IP address.

•

Configure NAT on the Cisco DSL Router to allow sharing of the static public IP address of the ATM

interface.

•

Optional: NAT Pool, if additional IP addresses have been provided by your ISP.♦

Optional: Static NAT, if Internet users require access to internal servers.♦

Cisco DSL Router Configuration and Troubleshooting Guide

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Cisco 827 - 827 Router - EN Guide de dépannage Page 104