Configuration Example

Step 3 If IP routing is enabled on the system, change to interface configuration mode and use the ip address configuration subcommand to assign an IP address and subnet mask to the interface, as in the following example:

router(config-if)#ip address 10.0.0.0 10.255.255.255

Step 4 In interface configuration mode, choose the internal clock source by entering the clock source configuration subcommand, as in the following example:

router(config-if)#clock source internal

Use the no form of this command to restore the default clock source, which is line.

Step 5 In interface configuration mode, change the shutdown state to up and enable the interface as follows:

router(config-if)# no shutdown

Step 6 Configure additional interfaces as required.

Step 7 When you have included all of the configuration subcommands to complete the configuration, press Ctrl-Zto exit configuration mode.

Step 8 Write the new configuration to nonvolatile memory as follows:

router# copy running-config startup-config

[OK]

router#

To check the interface configuration using show commands, proceed to the “Using show Commands to Display Interface and System Information” section on page 8-12.

Configuration Example

The following example shows a typical configuration for the PA-E3 on a Cisco 7500 series router:

router> enable

router# configure terminal router(config)# interface serial router(config)# interface serial 1/0/0 router(config)# ip address 1.1.1.10 255.255.255.0 router(config-if)# clock source internal router(config-if)# no shutdown router(config-if)# ^Z

Customizing the PA-E3

You can customize the PA-E3. The features you can customize have default values that will probably suit your environment and need not be changed. However, you might need to enter configuration commands, depending on the requirements for your system configuration and the protocols you plan to route on the interface. Perform the tasks in the following sections if you need to customize the PA-E3.

8-8PA-E3 Serial Port Adapter Installation and Configuration

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Cisco Systems PA-2E3 manual Configuration Example, Customizing the PA-E3, Configuration Example