# Foreign Agent Advertisement Challenge Values

## Navigation

1. Right-click the device, and select Configure. The Device Configuration dialog box appears.

2. Select Foreign Agent Advertisement Challenge Values from the Category list.

The following information appears:

> Interfaces Index (ifIndex)

> Challenge Index (cmiFaAdvertChallengeIndex)

> Challenge Value (cmiFaAdvertChallengeValue)

### Interfaces Index (ifIndex)

A unique value, greater than zero, for each interface. The value for each interface sublayer must remain constant at least from one reinitialization of the entity's network management system to the next reinitialization.

### Challenge Index (cmiFaAdvertChallengeIndex)

The number of last challenge values that can be used by mobile node in the registration request sent to the foreign agent on this interface.

### Challenge Value (cmiFaAdvertChallengeValue)

The challenge value in the challenge window of the interface.