display bier routing-table

Function

The display bier routing-table command displays information about the BIRT.

Format

display bier routing-table [ sub-domain id [ bsl { 64 | 128 | 256 } ] ] [ prefix prefix-ip ] [ verbose ]

Parameters

Parameter	Description	Value
sub-domain id	Specifies the ID of a BIER subdomain.	The value is an integer ranging from 0 to 255.
bsl	Specifies a BSL in BIER encapsulation.	The value can be 64, 128, or 256.
prefix prefix-ip	Specifies the IP address of a next hop.	The value is in dotted decimal notation.
verbose	Displays detailed information about the BIRT.	-

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 the BIRT in multicast over BIER scenarios, run the display bier routing-table command.

Example

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

# Display information about the BIRT.

<HUAWEI> display bier routing-table verbose
                  BIER Sub-domain 0 Routing Table
                  -------------------------------
 BSL 128
 Total number of prefixes: 2

   Destination prefix: 11.1.1.1
     System ID: --(local)
     BFR-ID: 1
     Uptime: 20:07:29
     Next-hop list:
       1: System ID: --(local)
          Next-hop: 11.1.1.1
          Interface: LoopBack1
          Neighbor: 11.1.1.1
          Uptime: 20:07:21
          MPLS label: 368640
     Invalid next-hop list: None

   Destination prefix: 11.1.1.3
     System ID: 0030.0000.0000
     BFR-ID: 15
     Uptime: 20:03:51
     Next-hop list: None
     Invalid next-hop list:
       1: System ID: 0020.0000.0000
          Next-hop: 192.168.12.20
          Interface: Ethernet0/1/16
          Neighbor: 11.1.1.2
          Uptime: 20:03:51
          MPLS label: --
          Invalid reason: MISS_BSL

 BSL 256
 Total number of prefixes: 3

   Destination prefix: 11.1.1.1
     System ID: --(local)
     BFR-ID: 1
     Uptime: 20:07:29
     Next-hop list:
       1: System ID: --(local)
          Next-hop: 11.1.1.1
          Interface: LoopBack1
          Neighbor: 11.1.1.1
          Uptime: 20:07:22
          MPLS label: 368896
     Invalid next-hop list: None

   Destination prefix: 11.1.1.2
     System ID: 0020.0000.0000
     BFR-ID: 2
     Uptime: 20:05:00
     Next-hop list:
       1: System ID: 0020.0000.0000
          Next-hop: 192.168.12.20
          Interface: Ethernet0/1/16
          Neighbor: 11.1.1.2
          Uptime: 20:05:03
          MPLS label: 368896
     Invalid next-hop list: None

   Destination prefix: 11.1.1.3
     System ID: 0030.0000.0000
     BFR-ID: 15
     Uptime: 20:03:51
     Next-hop list:
       1: System ID: 0020.0000.0000
          Next-hop: 192.168.12.20
          Interface: Ethernet0/1/16
          Neighbor: 11.1.1.2
          Uptime: 20:03:54
          MPLS label: 368896
     Invalid next-hop list: None

**Table 1** Description of the **display bier routing-table** command output
Item	Description
BIER Sub-domain 0 Routing Table	BIRT of subdomain 0.
BSL	BitStirng length.
Total number of prefixes	Total number of prefixes.
Destination prefix	Destination prefix.
System ID	System ID.
Next-hop	Next-hop address.
Next-hop list	Next-hop list.
MPLS label	MPLS label.
Invalid reason	Invalid reason: MISS_NBR: The subdomain is not configured for the next hop device. LACK_LABEL: The packet encapsulation configuration of the next-hop device does not support the BFR-ID of the target device. EXCEED_LBNUM: The number of next-hops is larger than the maximum number of load balancing paths. MISS_BSL: The BSL is not configured for the next hop device.
Invalid next-hop list	Invalid next-hop list.
Interface	Outbound interface.
BFR-ID	BFR ID.
Neighbor	Neighbor.
Uptime	Uptime.