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Configuring the PA-T3 Interfaces 8-11
Configuration Example
• For a VIP2, specify the interface to configure by entering the subcommand interface
serial, followed by the slot/port-adapter/port (interface processor slot number, port
adapter slot number, and interface port number). The example that follows is for the
interface of the first port adapter on a VIP2 in interface processor slot 1:
router(config)# interface serial 1/0/0
• For a Catalyst RSM/VIP2, specify the interface to configure by entering the
subcommand interface serial, followed by the port-adapter/port (port adapter slot
number and interface port number). The example that follows is for the interface of
the first port adapter on a Catalyst RSM/VIP2 in slot 0:
router(config)# interface serial 0/0
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-Z to 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 section “Using show
Commands to Display Interface and System Information” section on page 8-15.
Configuration Example
The following example shows a typical configuration for the PA-T3 serial port adapter 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 10.0.0.0 10.255.255.255
router(config-if)# clock source internal
router(config-if)# no shutdown
router(config-if)# ^Z