Cisco Router 800 Series Software Configuration Guide
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2-3 Cisco 800 Series Software Configuratio Guide 78-5372-06 Chapter 2 Configuring Basic Networks Connecting a Private IP Network to the Internet Step 4If setting up a connection to a corporate network, you and the network administrator of the corporate network must decide on or generate the following information for the WAN interfaces of the routers so you can both use this information: PPP authentication type: CHAP or PAP. PPP client name to access the router. PPP password to access the...
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Chapter 2 Configuring Basic Networks Connecting a Private IP Network to the Internet 2-4 Cisco 800 Series Software Configuratio Guide 78-5372-06 Features Used This network uses the following features on the LAN: IP routing Dynamic Host Configuration Protocol (DHCP) server (optional) When your router is acting as a DHCP server, workstations configured as DHCP clients are automatically assigned an IP address and subnet mask. This network uses the following features on the WAN: IP routing PPP...
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2-5 Cisco 800 Series Software Configuratio Guide 78-5372-06 Chapter 2 Configuring Basic Networks Connecting a Private IP Network to the Internet With NAT overload configured, the router uses one address for multiple hosts. With IPCP configured, your router automatically negotiates its IP address from the router it is attempting to connect to. You can use either CHAP or PAP as the PPP authentication protocol. Cisco recommends using CHAP, because it is the more secure of the two protocols. In...
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Chapter 2 Configuring Basic Networks Connecting a Private IP Network to the Internet 2-6 Cisco 800 Series Software Configuratio Guide 78-5372-06 b.Set the IP addresses of the DNS servers. For example: router(dhcp-config)# dns-server 192.168.1.100 c.Set the NetBIOS servers. For example: router(dhcp-config)# netbios-name-server 10.1.1.2 10.1.1.3 d.Set the Ethernet 0 IP address as the default gateway. For example: router(dhcp-config)# default-router 10.0.0.1 e.Exit to global configuration mode:...
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2-7 Cisco 800 Series Software Configuratio Guide 78-5372-06 Chapter 2 Configuring Basic Networks Connecting a Private IP Network to the Internet d.Enable multilink PPP: SanJose(config-if)# ppp multilink e.Enable the translation of the inside network to a valid Internet address: SanJose(config-if)# ip nat outside f.Create a dialer rotary group, specifying a number between 0 and 255. Dialer rotary groups are useful in environments that require multiple calling destinations. For example:...
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Chapter 2 Configuring Basic Networks Connecting a Private IP Network to the Internet 2-8 Cisco 800 Series Software Configuratio Guide 78-5372-06 k.Disable the Cisco Discovery Protocol (CDP): SanJose(config-if)# no cdp enable Step 9Follow these steps to specify characteristics of the dialer rotary group that were created in the previous step: a.Change to global configuration mode: SanJose(config-if)# exit SanJose(config)# b.Create a dialer interface, specifying a number between 0 to 255 to...
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2-9 Cisco 800 Series Software Configuratio Guide 78-5372-06 Chapter 2 Configuring Basic Networks Connecting a Private IP Network to the Internet i.Define the load level that must be exceeded on the first ISDN B channel before the second B channel is brought up. The load-threshold variable represents a utilization percentage and is a number between 1 and 255, where 255 equals 100 percent. For example: SanJose(config-if)# dialer load-threshold 10 outbound NoteEnter outbound to calculate the load...
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Chapter 2 Configuring Basic Networks Connecting a Private IP Network to the Internet 2-10 Cisco 800 Series Software Configuratio Guide 78-5372-06 m.Enable remote PAP support for an interface. The username and password are sent in the PAP authentication request packet. The password must contain from 1 to 25 upper- and lowercase alphanumeric characters; it cannot contain spaces nor underscores. SanJose(config-if)# ppp pap sent-username SanJose password gocisco n.Enable multilink PPP:...
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2-11 Cisco 800 Series Software Configuratio Guide 78-5372-06 Chapter 2 Configuring Basic Networks Connecting a Private IP Network to the Internet b.Specify 56 kbps as the B channel speed: SanJose(config-map-class)# dialer isdn speed 56 Step 13If you have a Cisco 800 series router that is connected to a telephone, fax machine, or modem, configure the telephone interfaces by performing the following steps: a.Change to global configuration mode: SanJose(config-map-class)# exit SanJose(config)#...
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Chapter 2 Configuring Basic Networks Connecting a Public IP Network to the Internet 2-12 Cisco 800 Series Software Configuratio Guide 78-5372-06 e.Specify that incoming voice calls shall be forwarded to the devices connected to the telephone ports: SanJose(config-if)# isdn incoming-voice modem Step 14Exit the interface configuration mode. SanJose(config-if)# exit SanJose#(config)# Step 15In global configuration mode, set global NAT commands. In the following example, all inside network addresses...