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Configuring Point-to-Point Interfaces

You can use the point-to-point statement to configure a LAN interface to act like a point-to-point interface for IS-IS. You do not need an unnumbered LAN interface, and it has no effect if configured on an interface that is already point-to-point.

The point-to-point statement affects only IS-IS protocol procedures on that interface; all other protocols will continue to treat the interface as a LAN interface. Only two IS-IS routers can be connected to the LAN interface and both must be configured as point-to-point.

To configure a point-to-point IS-IS interface, include the point-to-point statement:




point-to-point;

For a list of hierarchy levels at which you can configure this statement, see the statement summary section for this statement.

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