display ip as-path-filter

Function

The display ip as-path-filter command displays the configured AS_Path filter.

display ip as-path-filter [ as-path-filter-number | as-path-filter-name ]

Parameter	Description	Value
as-path-filter-number	Specifies the AS_Path filter number.	It is an integer that ranges from 1 to 256.
as-path-filter-name	Specifies the AS_Path filter name.	The name is a string of 1 to 51 characters without any space. It is case-sensitive.

All views

1: Monitoring level

Usage Scenario

The AS_Path attribute is a BGP-specific attribute. An AS_Path filter is used to filter BGP routes.

You can run the display ip as-path-filter command to:

View detailed information about a configured AS path filter.
Check whether an AS_Path filter is deleted successfully after running the undo ip as-path-filter command.

Precautions

The display ip as-path-filter command:

Displays the configuration information about a specified AS_Path filter, if the number or name of the AS_Path filter is specified.
Displays the configuration information about all AS_Path filters, if neither the number nor name of the AS_Path filter is specified.
Does not display any information, if the AS_Path filter does not exist in the system or the AS_Path filter that is queried does not exist.

# Display the configured AS_Path filter.

<sysname> display ip as-path-filter

As path filter number: 1
         permit    1.1 100,200
As path filter name: abc
         deny      2.2 200,400

**Table 1** Description of the **display ip as-path-filter** command output
Item	Description
As path filter number	AS_Path filter number
As path filter name	AS_Path filter name
permit	Matching mode is permit
1.1 100,200	Content of the regular expression
deny	Matching mode is deny