Cisco Router 800 Series Software Configuration Guide
Here you can view all the pages of manual Cisco Router 800 Series Software Configuration Guide. The Cisco manuals for Router are available online for free. You can easily download all the documents as PDF.
Page 151
4-13 Cisco 800 Series Software Configuration Guide 78-5372-06 Chapter 4 Network Scenarios Internet Access Scenarios Figure 4-6 PPPoE Deployment Scenario Callout Number Description 1Multiple PCs in LAN. 2Multiple PCs connected in a LAN. 3Access concentrator, concentrating data and LAN into ATM service over E1/T1 links. 4PPPoE session, which is initiated on the client side by a Cisco 837 or Cisco SOHO 97 router. If the session has a timeout, or if the session is disconnected, the PPPoE client...
Page 152
Chapter 4 Network Scenarios Internet Access Scenarios 4-14 Cisco 800 Series Software Configuration Guide 78-5372-06 This section covers the following topics: Configuring the Virtual Private Dial-Up Network Group Number Configuring the ATM Interface Configuring the Dialer Interface Configuration Example Configuring the Virtual Private Dial-Up Network Group Number Follow the steps below to configure a virtual private dial-up network (VPDN), starting in global configuration mode. NoteStep 1...
Page 153
4-15
Cisco 800 Series Software Configuration Guide
78-5372-06
Chapter 4 Network Scenarios
Internet Access Scenarios
Configuring the ATM Interface
Follow the steps below to configure the ATM interface, beginning in global
configuration mode.
Configuring the Dialer Interface
Follow the steps below to configure the dialer interface, starting in global
configuration mode. Command Task
Step 1interface atm 0Enter configuration mode for the ATM
interface.
Step 2dsl linerate {number | auto} Specify...
Page 154
Chapter 4 Network Scenarios Internet Access Scenarios 4-16 Cisco 800 Series Software Configuration Guide 78-5372-06 If you enter the clear vpdn tunnel pppoe command with a PPPoE client session already established, the PPPoE client session terminates, and the PPPoE client immediately tries to reestablish the session. Configuration Example The following example shows a configuration of a PPPoE client. vpdn enable vpdn-group 1 request-dialin protocol pppoe ! interface atm0 no ip address no atm...
Page 155
4-17 Cisco 800 Series Software Configuration Guide 78-5372-06 Chapter 4 Network Scenarios Internet Access Scenarios PPP over Ethernet with NAT Using a Dial-on-Demand PPP-over- Ethernet Connection The Cisco 831, 836, and 837 routers and the Cisco SOHO 91, 96, and 97 routers support a PPP-over-Ethernet (PPPoE) client, using a dial-on-demand PPP-over-Ethernet connection. For a deployment scenario, see Figure 4-6 on page 4-13. Configuring the Virtual Private Dial-Up Network Group Number Complete...
Page 156
Chapter 4 Network Scenarios Internet Access Scenarios 4-18 Cisco 800 Series Software Configuration Guide 78-5372-06 Configuring the Dialer Interface Follow the steps below to configure the dialer interface, starting in global configuration mode. Step 3pvc vpi/vciCreate an ATM PVC for each end node with which the router communicates. Step 4ppoe-client dial-pool-number 1 dial-on-demandBind the dialer to the interface. Step 5no shutdownEnable the ATM 0 interface. Command Task Command Task Step...
Page 157
4-19 Cisco 800 Series Software Configuration Guide 78-5372-06 Chapter 4 Network Scenarios Internet Access Scenarios If you enter the clear vpdn tunnel pppoe command with a PPPoE client session already established, the PPPoE client session terminates, and the PPPoE client immediately tries to reestablish the session. Configuration Example The following example shows a configuration of a PPPoE client. interface Ethernet0 no ip address ip tcp adjust-mss 1400 no keepalive hold-queue 100 out ! vpdn...
Page 158
Chapter 4 Network Scenarios Internet Access Scenarios 4-20 Cisco 800 Series Software Configuration Guide 78-5372-06 Figure 4-7 PPP over ATM with NAT In this scenario, the small business or remote user on the Ethernet LAN can connect to the Internet through ADSL. The Ethernet interface carries the data packet through the LAN and offloads it to the PPP connection on the ATM interface. The dialer interface is used to connect to the Internet or the corporate office. The number of ATM PVCs is set...
Page 159
4-21 Cisco 800 Series Software Configuration Guide 78-5372-06 Chapter 4 Network Scenarios Internet Access Scenarios Configuring NAT Configuration Example To add other features to this network, see Chapter 7, “Router Feature Configuration.” After configuring your router, you need to configure the PVC endpoint. For a general configuration example, see the “Cisco 3640 Gateway Configuration Example” section on page 4-89. Configuring the Ethernet Interface Follow the steps below to configure the...
Page 160
Chapter 4 Network Scenarios Internet Access Scenarios 4-22 Cisco 800 Series Software Configuration Guide 78-5372-06 Configuring the ATM Interface Follow the steps below to configure the ATM interface, beginning in global configuration mode. Step 3ip nat outsideSet the interface to be connected to the outside network. Step 4encapsulation pppSpecify the encapsulation type for the PVC to be PPP. Step 5dialer pool 1Specify which dialer pool number you are using. Step 6exitExit configuration mode...