National-Bit; Loopback (Ce3 Interface View) - H3C MSR 20-20 Command Reference Manual

loopback (CE3 interface view)

Syntax
View
Parameter
Description
Example

national-bit

Syntax
View
Parameter
Description
loopback { local | payload | remote }
undo loopback
CE3 interface view
local: Enables internal loopback on the CE3 interface.
payload: Enables external payload loopback on the CE3 interface.
remote: Enables external loopback on the CE3 interface.
Use the command to configure the loopback mode of the CE3
loopback
interface.
Use the undo loopback
By default, loopback is disabled on the CE3 interface.
Loopback is intended for test use. Disable it otherwise.
If a CE3 interface encapsulated with PPP is placed in a loopback, it is normal that
the state of the link layer protocol is reported down.
# Enable internal loopback on interface E3 2/0.
<Sysname> system-view
[Sysname] controller e3 2/0
[Sysname-E3 2/0] loopback local
national-bit { 0 | 1 }
undo national-bit
CE3 interface view
0: Sets the national bit of the CE3 interface to 0.
1: Sets the national bit of the CE3 interface to 1.
Use the national-bit command to configure the national bit on the CE3
interface.
Use the
undo national-bit
command to restore the default.
command to restore the default, that is, 1.
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