display ip as-path-filter

Function

display ip as-path-filter command displays the configuration of the AS_Path filter.

Product	Support
S5720-EI, S5720-HI, S5720I-SI, S5720S-SI, S5720-SI, S5735-S, S5735S-S, S5735-S-I, S5730-HI, S5730S-EI, S5730-SI, S5731-H, S5731-S, S5731S-H, S5731S-S, S5732-H, S6720-EI, S6720-HI, S6720S-EI, S6720S-SI, S6720-SI, S6730-H, S6730S-H, S6730-S, and S6730S-S	Supported.
S2720-EI, S5720-LI, S5735-L, S5735S-L, S5735S-L-M, S5720S-LI, S6720-LI, and S6720S-LI	Not supported.

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

Parameter	Description	Value
as-path-filter-number	Displays the configuration of an AS_Path filter with a specified number.	It is an integer that ranges from 1 to 256.
as-path-filter-name	Displays the configuration of an AS_Path filter with a specified 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.

<HUAWEI> 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.