encapsulation (serial)
To set the Layer 2 encapsulation of an interface, use the
encapsulation
command in interface configuration
mode. To restore the system to the default encapsulation, use the
no
form of this command.
encapsulation
{
hdlc| ppp| frame-relay| mfr
}
no encapsulation
Syntax Description
Enables Cisco High-Level Data Link Control (HDLC) encapsulation on the
interface. This is the default encapsulation type.
hdlc
Enables PPP encapsulation on the interface.
ppp
Enables Frame Relay encapsulation on the interface.
frame -relay
Enables multilink Frame Relay encapsulation on the interface.
mfr
Command Default
For serial interfaces, the default encapsulation is HDLC.
Command Modes
Interface configuration
Command History
Modification
Release
This command was introduced.
Release 3.9.0
Frame Relay and Multilink Frame Relay encapsulation was
introduced.
Release 4.0.0
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task
IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator
for assistance.
Task ID
Operations
Task ID
read, write
hdlc
read, write
interface
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Release 5.3.x
782
Serial Interface Commands on the Cisco ASR 9000 Series Router
encapsulation (serial)