Link-Protocol; Loopback - H3C MSR 20-20 Command Reference Manual

link-protocol

Syntax
View
Parameter
Description
Example

loopback

Syntax
View
Parameter
Description
link-protocol { fr [ nonstandard | ietf | mfr interface-number | nonstandard ] | hdlc |
ppp }
POS interface view
fr: Specifies Frame Relay as the link layer protocol of the interface.
ietf: Adopts the IETF encapsulation format. This is the default.
mfr interface-number: MFR interface or subinterface number. The specified
interface must be one that already exists.
nonstandard: Adopts non-standard compatible encapsulation format.
hdlc: Specifies HDLC as the link layer protocol of the interface.
ppp: Specifies PPP as the link layer protocol of the interface.
Use the
link-protocol
By default, PPP is used.
# Specify HDLC as the link protocol of interface POS 1/0.
<Sysname> system-view
[Sysname] interface pos 1/0
[Sysname-Pos1/0] link-protocol hdlc
loopback { local | remote }
undo loopback
POS interface view
local: Internal loopback.
remote: External loopback.
Use the command to enable loopback for a POS interface.
loopback
Use the undo loopback
By default, loopback is disabled.
Loopback is intended for test use. Disable it otherwise.
command to set the link layer protocol of the interface.
command to disable loopback.
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