seamless-bfd flex-algo

Function

The seamless-bfd flex-algo command is used to enable SBFD for SR-MPLS Flex Algorithm.

The undo seamless-bfd flex-algo command is used to disable SBFD for SR-MPLS Flex Algo.

By default, SR-MPLS Flex-Algo SBFD is disabled.

Format

seamless-bfd flex-algo exclude { flex-algo-begin [ to flex-algo-end ] } &<1-10>

undo seamless-bfd flex-algo exclude { flex-algo-begin [ to flex-algo-end ] } &<1-10>

Parameters

Parameter	Description	Value
flex-algo-begin	Specifies the start ID of a flexible algorithm.	The value is an integer that ranges from 128 to 255.
to flex-algo-end	Specifies the end ID of a flexible algorithm.	The value is an integer that ranges from 128 to 255.
exclude	Specify the Flexible Algorithm that does not need to create a seamless bfd tunnel.	-

Parameter

Description

Value

flex-algo-begin

Specifies the start ID of a flexible algorithm.

The value is an integer that ranges from 128 to 255.

to flex-algo-end

Specifies the end ID of a flexible algorithm.

The value is an integer that ranges from 128 to 255.

exclude

Specify the Flexible Algorithm that does not need to create a seamless bfd tunnel.

Views

Segment routing view

Default Level

2: Configuration level

Task Name and Operations

Task Name	Operations
segr	write

Usage Guidelines

Usage Scenario

When SR-MPLS uses an IGP to calculate paths, prefix SIDs can be associated with Flex-Algos to calculate SR-MPLS BE paths that meet different requirements. The seamless-bfd flex-algo command enables SBFD for all SR-MPLS Flex-Algo LSPs globally. The exclude parameter can be used to exclude some Flex-Algos that do not need to create SBFD sessions.

Example

# Enable SBFD for SR-MPLS Flex-Algo LSPs globally and exclude Flex-Algo segments 128 to 200 and 210 to 200.

<HUAWEI> system-view
[~HUAWEI] segment-routing
[*HUAWEI-segment-routing] seamless-bfd flex-algo exclude 128 to 200 210 to 220