display bier ipv6 sub-domain

Function

The display bier ipv6 sub-domain command displays information about BIERv6 sub-domains.

Format

display bier ipv6 sub-domain [ id ]

Parameters

Parameter	Description	Value
id	Specifies the ID of a BIERv6 sub-domain.	The value is an integer ranging from 0 to 255.

Parameter

Description

Value

Specifies the ID of a BIERv6 sub-domain.

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 BIERv6 sub-domains in multicast over BIERv6 scenarios, run the display bier ipv6 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 BIERv6 sub-domain.

<HUAWEI> display bier ipv6 sub-domain 0
Total number of BIER IPv6 sub-domains: 1

 Sub-domain ID        : 0
   Advertisement info : isis (process ID: 1, level: L2)
   Multi-topology     : unicast(2)
   Load balance number: 1
   Address family     : IPv6
   BFR prefix         : 2001:DB8:1::1/128(LoopBack0)
   BFR-ID             : 1
   End-bier SID       : 2001:DB8:2::1
   BAR                : 0
   IPA                : 0
   Encapsulation type : IPv6
     BSL              : 256
     BIFT-id-base     : 196608
     Max-SI           : 2

# Display information about all BIERv6 sub-domains.

<HUAWEI> display bier ipv6 sub-domain
Total number of BIER IPv6 sub-domains: 1

 Sub-domain ID        : 0
   Advertisement info : isis (process ID: 1, level: L2)
   Multi-topology     : unicast(2)
   Load balance number: 1
   Address family     : IPv6
   BFR prefix         : 2001:DB8:1::1/128(LoopBack0)
   BFR-ID             : 1
   End-bier SID       : 2001:DB8:2::1
   BAR                : 0
   IPA                : 0
   Encapsulation type : IPv6
     BSL              : 256
     BIFT-id-base     : 196608
     Max-SI           : 2

**Table 1** Description of the **display bier ipv6 sub-domain** command output
Item	Description
Total number of BIER IPv6 sub-domains	Number of BIERv6 sub-domains.
Sub-domain ID	ID of the BIERv6 sub-domain.
Advertisement info	Type of the underlay protocol used for advertising BIERv6 information and related information.
Multi-topology	Multi-topology information, including the topology name and ID.
Load balance number	Number of links for BIERv6 tunnel load balancing.
Address family	Address family. Only IPv6 is supported.
BFR prefix	BFR-prefix.
BFR-ID	BFR-ID.
End-bier SID	End.BIER SID.
BAR	BIERv6 algorithm.
IPA	IGP algorithm.
Encapsulation type	Encapsulation type of BIERv6 packets.
BSL	Bitstring length.
BIFT-id-base	Start BIFT-ID.
Max-SI	Maximum set identifier.