Chapter 3 Installing the Router

Configuration Changes

Line Card Interfaces

Because of the wide variety of line cards supported by Cisco 12006 and

Cisco 12406 Routers, you should see the configuration note that shipped with a particular card for interface configuration information. This section provides several examples to show the general way the setup command utility handles line card interface configuration.

The following sample excerpt from a System Configuration Dialog session for a Quad OC-3cPOS line card shows settings for a typical configuration:

Configuring interface POS3/0:

Is this interface in use?: yes

Configure IP on this interface?: yes

Configure IP unnumbered on this interface?: no

IP address for this interface: 2.1.1.1

Number of bits in subnet field: 0

Class A network is 2.0.0.0, 0 subnet bits; mask is 255.9.0

Configure CLNS on this interface?: yes

Note By default, POS interfaces use the 32-bit cyclic redundancy check (CRC) and high-level data link control (HDLC) as the encapsulation protocol.

The following sample shows the same Quad OC-3c POS line card interface being configured for IP unnumbered:

Configuring interface POS3/0:

Is this interface in use?: yes

Configure IP on this interface?: yes

Configure IP unnumbered on this interface?: yes

Assign to which interface: ethernet0

Configure CLNS on this interface?: yes

In the following sample, an ATM line card is being configured to use IP:

Configuring interface parameters:

Configuring interface ATM1/0:

Is this interface in use?: yes

Configure IP on this interface?: yes

IP address for this interface: 1.1.1.2

Number of bits in subnet field: 0

Class A network is 1.0.0.0, 0 subnet bits; mask is 255.9.8.0

 

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Cisco Systems 12006, 12406 manual Line Card Interfaces