R0106-HP MSR Router Series Interface Command Reference(V7)

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Field Description
Protocol
Data link layer state of the interface:
• UP—The data link layer of the interface is up.
• DOWN—The data link layer of the interface is down.
• UP(s)—The data link layer of the interface is spoofing up. This
state is available for on-demand link setup applications. This
state enables the device to initiate an on-demand link setup
when a link is not present.
Main IP Main IP address of the interface.
Description Description of the interface.
Cause
Cause of a DOWN physical link. If the port has been shut down
by using the shutdown command, this field displays
Administratively. To restore the physical state of the interface, use
the undo shutdown command. Not connected means there is no
physical connection (no cable is available or the cable is faulty).
Related commands
reset counters interface
interface bri
Use interface bri to enter BRI interface view.
Syntax
interface bri interface-number
Views
System view
Predefined user roles
network-admin
Parameters
interface-number: Specifies a BRI interface by its number.
Examples
# Enter the view of BRI 2/4/0.
<Sysname> system-view
[Sysname] interface bri 2/4/0
[Sysname-Bri2/4/0]
loopback
Use loopback to set the B1, B2, or both channels on the ISDN BRI interface in external loopback. This
allows data from a line to be sent back to the line.
Use undo loopback to restore the default.
Syntax
loopback { b1 | b2 | both }