
Cisco IOSSoftware Configurationforthe Cisco12000Series One-PortChannelized OC-12/STM-4(DS1/E1)ISE Line
Configuring the Serial Interfaces
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Cisco IOS Release 12.0(27)S1
Follow these steps to configure the 1-Port CHOC-12 ISE line card interface, beginning in privileged
EXEC mode:
Step 1 Enter the configure terminal EXEC command to enter global configuration mode as follows:
Router# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#
Step 2 Specify the 1-Port CHOC-12 ISE line card interface by entering the interface serial global
configuration command in the appropriate format (see Table 10).
Router(config)# interface serial 2/0.1/2/4/1:15 (for SDH with au-4 AUG mapping)
Router(config-if)#
or
Router(config)# interface serial 3/0.3/4/1:15 (for SDH with au-3 AUG mapping)
Router(config-if)#
or
Router(config)# interface serial 4/0.3/5/1:15 (for SONET and vt-15 mode)
Router(config-if)#
or
Router(config)# interface serial 4/0.3/26:15 (for SONET and ct3 mode)
Router(config-if)#
The prompt changes to interface configuration mode.
Step 3 Use the ip address interface configuration command to specify an interface by an IP address and
subnet mask:
Router(config-if)# ip address 10.0.0.1 255.255.255.0
Router(config-if)#
Step 4 Add any additional configuration commands required to enable routing protocols and set the interface
characteristics.
Step 5 To change the shutdown state to up and enable the interface, use the no shutdown interface command:
Router(config-if)# no shutdown
Router(config-if)#
Step 6 Repeat Step 2 through Step 5 to configure additional interfaces, as required.
Table 10 Serial Interface Command Format
Framing Configuration Command Syntax
SDH; AU-4 AUG mapping interface serial slot/port.au-4-number/tug-3-number/
tug-2-number/e1-number:channel-group-number
SDH; AU-3 AUG mapping interface serial slot/port.au-3-number/tug-2-number/t1-number:
channel-group-number
SONET; CT3 mode interface serial slot/port.sts1-number/t1-number:
channel-group-number
SONET; VT1.5 mode interface serial slot/port.sts1-number/vtg-number/t1-number:
channel-group-number
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