Configuring Serial Interfaces on the Cisco ASR 9000 Series Router
How to Configure Serial Interfaces
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Cisco ASR 9000 Aggregation Services Router Interfaces and Hardware Component Configuration Guide
OL-26061-03
7. exit
8. exit
9. Repeat Step 1 through Step 8 to bring up the interface at the other end of the connection.
10. show ipv4 interface brief
11. show interfaces serial interface-path-id
DETAILED STEPS
Command or Action Purpose
Step 1
show interfaces
Example:
RP/0/0RP0RSP0/CPU0:router# show interfaces
(Optional) Displays configured interfaces.
• Use this command to also confirm that the router
recognizes the PLIM card.
Step 2
configure
Example:
RP/0/0RP0RSP0/CPU0:router# configure
Enters global configuration mode.
Step 3
interface serial interface-path-id
Example:
RP/0/0RP0RSP0/CPU0:router(config)# interface
serial 0/1/0/0
Specifies the serial interface name and notation
rack/slot/module/port, and enters interface configuration
mode.
Step 4
ipv4 address ip-address
Example:
RP/0/0RP0RSP0/CPU0:router(config-if)# ipv4
address 10.1.2.1 255.255.255.224
Assigns an IP address and subnet mask to the interface.
Note Skip this step if you are configuring Frame Relay
encapsulation on this interface. For Frame Relay,
the IP address and subnet mask are configured
under the subinterface.
Step 5
no shutdown
Example:
RP/0/0RP0RSP0/CPU0:router (config-if)# no
shutdown
Removes the shutdown configuration.
Note Removal of the shutdown configuration eliminates
the forced administrative down on the interface,
enabling it to move to an up or down state (assuming
the parent SONET layer is not configured
administratively down).
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