Chapter 5 Basic Router Configuration
Configuring WAN Interfaces
DETAILED STEPS
| Command or Action | Purpose |
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Step 1 | configure terminal | Enters global configuration mode. |
| Example: |
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| Router# configure terminal |
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Step 2 | interface cellular 0 | Specifies the cellular interface. |
| Example: |
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| Router (config)# interface cellular 0 |
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Step 3 | dialer | Enables DDR and configures the specified serial |
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| interface for |
| Example: |
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| Router |
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Step 4 | dialer | Specifies the duration of idle time, in seconds, after |
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| which a line is disconnected. |
| Example: |
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| Router |
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Step 5 | dialer string string | Specifies the number or string to dial. Use the name |
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| of the chat script here. |
| Example: |
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| Router |
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Step 6 | Specifies the number of the dialer access group to | |
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| which a specific interface belongs. |
| Example: |
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| Router |
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Step 7 | exit | Enters the global configuration mode. |
| Example: |
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| Router |
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Step 8 | Creates a dialer list for traffic of interest and permits | |
| {permit deny list | access to an entire protocol. |
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| Example: |
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| Router (config)# |
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Step 9 | ip | Defines traffic of interest. |
| source address> |
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| Example: |
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| Router (config)# ip access list 1 permit any |
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| Cisco 819 Series Integrated Services Router Software Configuration Guide |