display dcn interface

Function

The display dcn interface command displays information about interfaces on which DCN is enabled.

Format

display dcn interface

display dcn interface { interface-name | interface-type interface-num }

Parameters

Parameter	Description	Value
interface-type	Displays information about a specified interface on which DCN is enabled.	-
interface-num	Displays information about a specified interface on which DCN is enabled.	-

Parameter

Description

Value

interface-type

Displays information about a specified interface on which DCN is enabled.

interface-num

Displays information about a specified interface on which DCN is enabled.

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
dcn	read

Usage Guidelines

Usage Scenario

Run this command to query the information about interfaces on which DCN is enabled and the detailed information about the specified interface on the device.

In VS mode, this command is supported only by the admin VS.

Example

The actual command output varies according to the device. The command output here is only an example.

# Display information about interfaces on which DCN is enabled.

<HUAWEI> display dcn interface
total 2 DCN physical interface
----------------------------------------------------------------------------------------
interface       Vid      bandwidth       state               logical-if                       
----------------------------------------------------------------------------------------
GE0/1/0        0        1024kbps        up (Ready)          DCN-Serial0/1/0:0 (Ready)        
GE0/1/1        0        1024kbps        up (Ready)          DCN-Serial0/1/1:0 (Ready)        
----------------------------------------------------------------------------------------

# Display detailed DCN information of GE 0/1/9.

<HUAWEI> display dcn interface GigabitEthernet 0/1/9
DCN physical interface : GE0/1/9  state: Up (ifindex: 18)
  create time: 2013-01-25 08:59:52
  Mac address: 00e0-fc21-0050
  bandwidth: 1024kbps
  vlan: 0
  learned vlan: 0
  input :    573260 packets,   36679600 bytes,      3 packets dropped
  input rate :      1 packets/s,     84 bytes/s,      0 packets/s dropped
  output:     210364 packets,    18556748 bytes,      0 packets dropped
  output rate :      0 packets/s,      42 bytes/s,      0 packets/s dropped
  [peer 70] session 758397704, mac: 00e0-fc21-0050 , state: Open, link-id: 70

dcn logical interface : DCN-Serial0/1/9:3
  dwNo. is :70 ifindex: 1879049281
  token : 0    label: 4185    peer label: 4138
  create time: 2013-01-25 08:59:59,  it is created. state: Ready
  input :    131041 packets,   8277936 bytes,      1 packets dropped
  input rate :      0 packets/s,     19 bytes/s,      0 packets/s dropped
  output:     44616 packets,    3949692 bytes,      0 packets dropped
  output rate :      0 packets/s,      9 bytes/s,      0 packets/s dropped
  pppoe info: session 0, peer Mac  00e0-fc21-0050 vlan 0

**Table 1** Description of the **display dcn interface** command output
Item	Description
dcn logical interface	Name of a serial interface on which the DCN feature is enabled.
interface	Name of the interface on which the DCN feature is enabled.
DCN physical interface	Name of the interface on which the DCN feature is enabled.
create time	Date and time when the DCN serial interface was created. Date and time when the DCN serial interface was create.
Mac address	MAC address of the interface.
input	Statistics on DCN protocol packets received by the interface. Statistics on DCN data packets received by the interface.
input rate	Rate (packets per second) at which the interface receives DCN protocol packets.
output	Statistics on DCN protocol/data packets sent by the interface.
output rate	Rate at which the interface sends DCN protocol/data packets.
peer label	Remote forwarding label.
dwNo. is	Interface management index that uniquely identifies the interface on an interface board.
it is created. state	Physical status of the interface.
pppoe info	Information about the PPPoE session that is set up with the peer DCN serial interface.
vlan	VLAN ID of the interface.
Vid	DCN VLAN ID number of the interface on which the DCN feature is enabled.
bandwidth	Transmit bandwidth on a DCN interface. You can run the bandwidth command in the DCN view to set the transmit bandwidth on a DCN interface.
logical-if	Name of a serial interface on which the DCN feature is enabled. DCN serial interfaces are automatically created after the DCN feature is enabled on an interface and a PPPoE connection is set up with the peer device.
learned vlan	VLAN ID of the peer interface.
token	Token ID.
[peer 70]	Information about a Point-to-Point Protocol over Ethernet (PPPoE) session that a local NE is set up with its peer DCN interface.
label	Local forwarding label.
ifindex	Interface index.