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Hierarchy Level


Enforce that the first (left-most) autonomous system number (ASN) in AS-path is the previous neighbor's ASN. When configured, this statement enforces that as the domain is transited, the routes received from an EBGP peer have the peer’s ASN in the left-most position of the AS path.

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Release 15.1.