Cisco Systems CISCO7201 manual Configuring Synchronous Serial Interfaces

Chapter 3 Starting and Configuring the Router

Configuring a Cisco 7201 Router

Configuring Synchronous Serial Interfaces

Synchronous serial interfaces are configured to allow connection to WANs through a CSU/DSU. In the following example, a synchronous serial interface in slot 1 is configured for a WAN connection using IP. Follow these steps to configure synchronous serial interfaces:

Step 1 Using your own addresses and mask at the setup prompts, respond to the prompts as follows:

Configuring interface parameters:

Configuring interface serial 1/0:

Is this interface in use? [yes]:

Configure IP on this interface? [yes]:

IP address for this interface: 1.1.1.30

Number of bits in subnet field [0]:

Class A network is 1.1.1.0, 0 subnet bits; mask is /24

Step 2 Determine if you are going to enable IPX on this interface; if you are, enter the unique IPX network number:

Configure IPX on this interface? [no]: yes

IPX network number [2]:

Step 3 If you are using AppleTalk on the interface, enter yes. Enter yes to configure for extended AppleTalk networks, and then enter the cable range number. Enter the zone name and any other additional zones that are associated with your local zone:

Configure AppleTalk on this interface? [no]: yes

Extended AppleTalk network? [no]: yes

AppleTalk starting cable range [0]:

Step 4 Save your settings to NVRAM. (See the “Checking the Running Configuration Settings” section on page 3-21, and then the “Saving the Running Configuration to NVRAM” section on page 3-21.) If you do not save the configuration settings that you created in the router using configuration mode and the setup facility, your configuration will be lost the next time you reload the router.

Note If additional synchronous serial interfaces are available in your system, you are prompted for their configurations as well.

The following example display lists the ATM configuration parameters:

Configuring interface ATM1/0:

Is this interface in use? [yes]:

Configure IP on this interface? [yes]:

IP address for this interface: 1.1.1.10

Number of bits in subnet field [0]: 0

Class C network is 1.1.1.0, 0 subnet bits; mask is /24

Configure IPX on this interface? [yes]:

IPX network number [2]:

Configure AppleTalk on this interface? [no]: yes

Extended AppleTalk network? [no]: yes

AppleTalk starting cable range [0]:

The following configuration command script was created:

hostname Router

	Cisco 7201 Installation and Configuration Guide
OL-11364-04		3-19