15 • Serial port configuration
This procedure describes how to enable a serial interface.
Mode: Administrator execution
Step
1
node (cfg)#port serial slot port
2
node (prt-ser)[ slot/port ]#no shutdown
3
node (prt-ser)[ slot/port ]#show port serial Displays the serial interface configuration.
Example: Enabling an interface
The example shows how to enable the built-in serial interface on slot 0 and port 0 of a SmartNode. Check that
State is set to OPENED in the command output of show port serial.
SN(cfg)#port serial 0 0
SN(prt-ser)[0/0]#no shutdown
SN(prt-ser)[0/0]#show port serial
Serial Interface Configuration
------------------------------
Port
State
Hardware Port
Transmit Edge
Port Type
CRC Type
Max Frame Length: 2048
Recv Threshold
Encapsulation
Configuring the serial encapsulation type
The synchronous serial interface supports the Frame Relay serial encapsulation method.
To set the encapsulation method used by a serial interface, use the encapsulation interface configuration
command.
This procedure describes how to set the encapsulation type of the serial interface for Frame Relay.
Mode: Administrator execution
Step
1
node (cfg)#port serial slot port
2
node (prt-ser)[ slot/port ]#[no] encapsulation {
framerelay | ppp }
node (prt-ser)[ slot/port ]#show port serial
3
172
Command
: serial 0 0 0
: OPENED
: V.35
: normal
: DTE
: CRC-16
: 1
:
Command
SmartWare Software Configuration Guide
Purpose
Selects the serial interface on slot and port
Enables the interface
Selects the serial interface on slot and
port .
Sets the encapsulation type for the
selected interface.
Displays the serial interface configuration.
Purpose
Serial port configuration task list
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