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Command Reference

AR500, AR510, and AR530 V200R007

This document describes all the configuration commands of the device, including the command function, syntax, parameters, views, default level, usage guidelines, examples, and related commands.
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display this interface

display this interface

Function

The display this interface command displays interface information in the current interface view.

Format

display this interface

Parameters

None

Views

Interface view

Default Level

1: Monitoring level

Usage Guidelines

In the interface view, you can run the display this interface command to rapidly view the status of the interface and packet statistics on the interface.

Example

# Display information about Eth0/0/1.

Table 4-11  Description of the display this interface command output

Item

Description

current state

Current interface status:
  • DOWN: indicates that the interface is disabled.
  • UP: indicates that the interface is enabled.
  • Administratively Down: indicates that the administrator has run the shutdown command on the interface.

Line protocol current state

Link layer protocol status of the interface:
  • DOWN: indicates that the link layer protocol of the interface fails or no IP address is assigned to the interface.
  • UP: indicates that the link layer protocol of the interface is running properly.

Description

Interface description.

PVID

Default VLAN ID of the interface.

TPID

Type of frames that are supported on the interface.

By default, this field displays 0x8100, indicating an 802.1Q frame. If the device does not support 802.1Q frames, the interface discards the 802.1Q frames immediately after receiving them.

This field is displayed only for a Layer 2 interface.

The Maximum Frame Length

Maximum frame length allowed by the interface.

IP Sending Frames' Format

Format of the frame contained in the sent IP packet, which can be PKTFMT_ETHNT_2, Ethernet_802.3, or Ethernet_SNAP.

Hardware address

MAC address of the device.

Last physical up time

Last time the interface went Up physically. If this field displays "-", the physical status of the interface does not change.

Last physical down time

Last time the interface went Down physically. If this field displays "-", the physical status of the interface does not change.

Current system time

Current system time.

If the time zone is configured and the daylight saving time is used, the time is in YYYY-MM-DD HH:MM:SS UTC±HH:MM DST format.

Speed

Current rate of an interface.

Loopback

Loopback configuration of the interface.

Duplex

Duplex mode of the interface.

Negotiation

Auto-negotiation mode of the interface.

Mdi

Network cable type of the interface.

Clock

Clock mode of the combo interface.

Last 300 seconds input rate

Incoming packet rate (bits per second and packets per second) within the last 300 seconds.

Last 300 seconds output rate

Outgoing packet rate (bits per second and packets per second) within the last 300 seconds.

Input peak rate

Maximum incoming packet rate.

Output peak rate

Maximum outgoing packet rate.

Input

Total number of received packets.

Output

Total number of sent packets.

Unicast

Number of unicast packets received or sent by the interface.

Multicast

Number of multicast packets received or sent by the interface.

Broadcast

Number of broadcast packets received or sent by the interface.

Jumbo

Number of jumbo frames received or sent by the interface.

Discard

Number of packets discarded by the interface during physical layer detection.

Total Error

Number of error packets found during physical layer detection.

NOTE:

For AR502G-L-D-H, AR502GR-L-D-H, the value of the Total Error field includes the number of packets that are longer than jumbo frames.

CRC

Number of CRC error packets received by the interface.

Giants

Number of jumbo frames with the correct FCS received by the interface.

NOTE:

For the AR503GW-LM7, AR509GW-L-D-H, and AR509G-L-D-H, this item indicates the number of received packets with length exceeding the maximum jumbo frame size.

Jabbers

Number of jumbo frames with incorrect FCS received by the interface.

Throttles

Number of undersized frames with incorrect FCS received by the interface.

Runts

Number of undersized frames with the correct FCS received by the interface.

Symbols

Number of received frames with coding errors.

Ignoreds

Number of received MAC control frames with OpCode not being PAUSE.

Frames

Number of packets with incorrect 802.3 length.

Collisions

Number of sent packets with 1 to 15 conflict events.

ExcessiveCollisions

Number of packets with 16 conflict events and failing to be sent.

Late Collisions

Number of packets with conflict and delayed.

Deferreds

Number of delayed packets without conflict.

Buffers Purged

Number of packets aged in the cache.

Input bandwidth utilization threshold

Threshold for inbound bandwidth usage.

Output bandwidth utilization threshold

Threshold for outbound bandwidth usage.

Input bandwidth utilization

Inbound bandwidth usage.

Output bandwidth utilization

Outbound bandwidth usage.

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Updated: 2019-02-18

Document ID: EDOC1000097293

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