Chapter 6 Configuring Backup Data Lines and Remote Management
Configuring Backup Interfaces
To configure your router with a backup interface, perform these steps, beginning in global configuration mode:
SUMMARY STEPS
1.interface type number
2.backup interface
3.exit
DETAILED STEPS
| Command | Purpose |
Step 1 |
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interface type number | Enters interface configuration mode for the | |
| Example: | interface for which you want to configure backup. |
| This can be a serial interface, ISDN interface, or | |
| Router(config)# interface xxx 0 | |
| asynchronous interface. | |
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Step 2 |
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backup interface | Assigns an interface as the secondary or backup | |
| interface. | |
| Example: | This can be a serial interface or asynchronous |
| interface. For example, a serial 1 interface could | |
| ||
| be configured to back up a serial 0 interface. | |
| 0 | |
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| The example shows a serial interface configured | |
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| as the backup interface for the ATM 0 interface. |
Step 3 |
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exit | Exits the configuration interface mode. | |
| Example: |
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| Router(config)# |
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Cisco 819 Series Integrated Services Routers Software Configuration Guide
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