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Knowledge Base

FAQ-How Do I Distinguish a Single-Hop BFD Session and a Multi-Hop BFD Session

Publication Date:  2015-05-06  |   Views:  611  |   Downloads:  0  |   Document ID:  EKB1000076037

Contents

Issue Description

How Do I Distinguish a Single-Hop BFD Session and a Multi-Hop BFD Session?

Solution

Static BFD sessions: When the session is created for the first time, a single-hop BFD session is bound to a local interface while a multi-hop session is not.

Dynamic BFD sessions: Query the routes to determine whether a BFD session is a single-hop session or a multi-hop session. BFD for Internal Border Gateway Protocol (IBGP) sessions are multi-hop sessions.