4000 Router Series Layer 2 - WAN Command Reference

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Protocol: (s) - spoofing

Interface Link Protocol Main IP Description

VPPP10 ADM DOWN 10.0.0.1 Virtual-PPP10 Interface

# Display information about the virtual PPP interfaces in physically down state and the causes.

<Sysname> display interface virtual-ppp brief down

Brief information on interface(s) under route mode:

Link: ADM - administratively down; Stby - standby

Interface Link Cause

VPPP9 ADM Administratively

VPPP11 ADM Administratively

VPPP12 ADM Administratively

# Display summary information about virtual PPP interface Virtual-PPP 10, including the entire interface

description.

<Sysname> display inter Virtual-PPP 10 brief description

Brief information on interface(s) under route mode:

Link: ADM - administratively down; Stby - standby

Protocol: (s) - spoofing

Interface Link Protocol Main IP Description

VPPP10 ADM DOWN 10.0.0.1 Virtual-PPP10 Interface

Table 8 Command output

Field Descri

tion

The brief information of

interface(s) under route

mode/Brief information on

interface(s) under route mode

Summary information about Layer 3 interfaces.

Link: ADM - administratively

down; Stby - standby

• ADM—The interface has been shut down by the network administrator.

To recover its physical layer state, execute the undo shutdown

command.

• Stby—The interface is a backup interface.

Protocol: (s) - spoofing

The link layer protocol of an interface is UP, but its link is an on-demand

link or not present at all.

Interface Abbreviated interface name.

Link

Physical link state of the interface:

• UP—The link is physically up.

• DOWN—The link is physically down.

• ADM—The link has been administratively shut down. To recover its

physical state, execute the undo shutdown command.

Protocol

Link layer protocol state of the interface:

• UP.

• DOWN.

• UP (spoofing)—The link of the interface is an on-demand link or not

present at all.

Description

Interface description configured by using the description command.

Without the description keyword, the display interface brief command

displays at most 27 characters of the description. With the description

keyword, this command displays the entire description.