Chapter 5 Basic Router Configuration
Configuring WAN Interfaces
DETAILED STEPS
| Command | Purpose |
Step 1 |
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interface type number | Enters the configuration mode for a Gigabit | |
| Example: | Ethernet WAN interface on the router. |
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| Router(config)# interface gigabitethernet 0 |
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Step 2 |
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ip address | Sets the IP address and subnet mask for the | |
| Example: | specified Gigabit Ethernet interface. |
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| 255.255.255.0 |
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Step 3 |
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no shutdown | Enables the Ethernet interface, changing its | |
| Example: | state from administratively down to |
| administratively up. | |
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Step 4 |
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exit | Exits configuration mode for the Gigabit | |
| Example: | Ethernet interface and returns to global |
| configuration mode. | |
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| Router(config)# |
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Configuring the Cellular Wireless WAN Interface
The Cisco 819 ISRs provide a
Its primary application is WAN connectivity as a backup data link for critical data applications. However, the 3G wireless interface can also function as the router’s primary WAN connection.
To configure the 3G cellular wireless interface, follow these guidelines and procedures:
•Prerequisites for Configuring the 3G Wireless Interface, page
•Restrictions for Configuring the Cellular Wireless Interface, page
•Data Account Provisioning, page
•Configuring a Cellular Interface, page
•Configuring DDR, page
•Examples for Configuring Cellular Wireless Interfaces, page
•Configuring Dual SIM for Cellular Networks, page
| Cisco 819 Series Integrated Services Router Software Configuration Guide |