encapsulation (POS)
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 [ietf]
}
no encapsulation
[
hdlc| ppp
|
frame-relay [ietf]
]
Syntax Description
Enables Cisco High-Level Data Link Control (cHDLC) encapsulation on the
interface. This is the default encapsulation type.
hdlc
Enables Point-to-Point Protocol (PPP) encapsulation on the interface.
ppp
Enables Frame Relay encapsuation on the interface.
frame -relay
(Optional) Enables RFC1490/RFC2427 encapsulation.
ietf
Command Default
For Packet-over-SONET/SDH (POS) interfaces, the default encapsulation is HDLC.
Command Modes
Interface configuration
Command History
Modification
Release
This command 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.
The task ID hdlc (r,w) is required for use of the keyword
hdlc
. The task ID ppp(r,w) is required for use of the
keyword
ppp
. The task ID fr(r,w) is required for use of the keyword
frame-relay
.
Task ID
Operations
Task ID
read, write
hdlc OR ppp OR fr
read, write
interface
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Release 5.3.x
696
Packet-over-SONET Interface Commands on the Cisco ASR 9000 Series Router
encapsulation (POS)