display bier sub-domain

Function

The display bier sub-domain command displays information about BIER subdomains.

Format

display bier sub-domain [ id ]

Parameters

Parameter	Description	Value
id	Specifies the ID of a BIER subdomain.	The value is an integer ranging from 0 to 255.

Parameter

Description

Value

Specifies the ID of a BIER subdomain.

The value is an integer ranging from 0 to 255.

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
bier	read

Usage Guidelines

Usage Scenario

To view information about BIER subdomains in multicast over BIER scenarios, run the display bier sub-domain command.

Example

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

# Display information about a specified BIER subdomain.

<HUAWEI> display bier sub-domain 0
 Total number of BIER sub-domains: 2

 Sub-domain ID        : 0
   Advertisement info : isis (process ID: 1, level: L1)
   Multi-topology     : unicast(0) 
   Load balance number: 1
   Address family     : IPv4
   BFR prefix         : 1.1.1.11/32(LoopBack1)
   BFR-ID             : 1 
   BAR                : 0
   IPA                : 0 
   Encapsulation type : MPLS
     BSL              : 256
     MPLS label       : 368640
     Max-SI           : 2
   Encapsulation type : MPLS
     BSL              : 128
     MPLS label       : 368625
     Max-SI           : 2

# Display information about all BIER subdomains.

<HUAWEI> display bier sub-domain
 Total number of BIER sub-domains: 2

 Sub-domain ID        : 0
   Advertisement info : isis (process ID: 1, level: L1)
   Multi-topology     : unicast(0) 
   Load balance number: 1
   Address family     : IPv4
   BFR prefix         : 1.1.1.11/32(LoopBack1)
   BFR-ID             : 1 
   BAR                : 0
   IPA                : 0 
   Encapsulation type : MPLS
     BSL              : 256
     MPLS label       : 368640
     Max-SI           : 2

**Table 1** Description of the **display bier sub-domain** command output
Item	Description
Total number of BIER sub-domains	Number of BIER subdomains.
Sub-domain ID	ID of the BIER subdomain.
Advertisement info	Type of the underlay protocol used for advertising BIER information and related information.
Multi-topology	Multi-topology information, including the topology name and ID.
Load balance number	Number of links for BIER tunnel load balancing.
Address family	Address family. Only IPv4 is supported.
BFR prefix	BFR-prefix.
BFR-ID	BFR-ID.
BAR	BIER algorithm.
IPA	IGP algorithm.
Encapsulation type	Encapsulation type of BIER packets.
MPLS label	MPLS label.
BSL	Bitstring length.
Max-SI	Maximum set identifier.