display evpn vpn-instance mac-duplication

Function

The display evpn vpn-instance mac-duplication command displays information about suppression on MAC route flapping.

Format

display evpn vpn-instance name vpn-instance-name mac-duplication [ bridge-domain bd-id ] [ mac-address mac-address ]

Parameters

Parameter	Description	Value
bridge-domain bd-id	Displays a BD ID.	The value is an integer ranging from 1 to 16777215.
mac-address mac-address	Displays a MAC address.	The value is a 12-digit hexadecimal number, in the format of H-H-H. Each H is 4 digits. If an H contains fewer than 4 digits, the left-most digits are padded with zeros. For example, e0 is displayed as 00e0.
name vpn-instance-name	Displays the name of an EVPN instance.	The value is a string of 1 to 31 case-sensitive characters, spaces not supported. When double quotation marks are used around the string, spaces are allowed in the string.

Parameter

Description

Value

bridge-domain bd-id

Displays a BD ID.

The value is an integer ranging from 1 to 16777215.

mac-address mac-address

Displays a MAC address.

The value is a 12-digit hexadecimal number, in the format of H-H-H. Each H is 4 digits. If an H contains fewer than 4 digits, the left-most digits are padded with zeros. For example, e0 is displayed as 00e0.

name vpn-instance-name

Displays the name of an EVPN instance.

The value is a string of 1 to 31 case-sensitive characters, spaces not supported. When double quotation marks are used around the string, spaces are allowed in the string.

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
bgp	read

Usage Guidelines

Usage Scenario

To view information about MAC duplication suppression, run the display evpn vpn-instance mac-duplication command. The command output displays parameters related to MAC duplication suppression and information about the suppressed MAC routes.Note: For specifying specific MAC queries, BD needs to be specified for BD EVPN.

Example

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

# Display information about MAC duplication suppression.

<HUAWEI> display evpn vpn-instance name evrf1 mac-duplication
Status codes: s - suppressed
  VPN-Instance Name and ID : evrf1, 5
  Detect loop-times        : 5
  Detect cycle(s)          : 180
  Retry cycle(s)           : 540
  Black Hole               : Enabled
 
  Mac-address    BdTag/VlanId BdId     MTimes SuppressTime        LastSource              
s 00e0-fc55-01c9 0            100      3      2020-04-08 14:47:16 2001:DB8::1

**Table 1** Description of the **display evpn vpn-instance mac-duplication** command output
Item	Description
Status codes	Status code.
VPN-Instance Name and ID	Name and ID of the EVPN instance.
Detect loop-times	Threshold for the number of times a MAC route flaps.
Detect cycle(s)	Detection period.
Retry cycle(s)	Hold-off time to unsuppress MAC duplication.
Black Hole	Whether black-hole MAC routing is enabled.
Mac-address	MAC address of the black-hole MAC route.
BdId	BD ID.
MTimes	Number of times that a MAC route flaps.
SuppressTime	Date and time when MAC duplication was suppressed.
LastSource	Source port.
BdTag	BD tag.