Contents
30
Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
OL-30933-01
ANCP Guidelines and Restrictions 37-5
Configuring Bidirection Forwarding Detection 38-1
Finding Feature Information 38-1
Contents 38-1
Prerequisites for Bidirectional Forwarding Detection 38-2
Restrictions for Bidirectional Forwarding Detection 38-2
Information About Bidirectional Forwarding Detection 38-3
BFD Operation 38-3
Neighbor Relationships 38-3
BFD Detection of Failures 38-4
BFD Version Interoperability 38-5
BFD Session Limits 38-5
BFD Support for Nonbroadcast Media Interfaces 38-5
BFD Support for Nonstop Forwarding with Stateful Switchover 38-5
BFD Support for Stateful Switchover 38-6
BFD Support for Static Routing 38-6
Benefits of Using BFD for Failure Detection 38-7
Hardware Support for BFD 38-7
How to Configure Bidirectional Forwarding Detection 38-8
Configuring BFD Session Parameters on the Interface 38-8
Configuring BFD Support for Dynamic Routing Protocols 38-9
Configuring BFD Support for BGP 38-9
Configuring BFD Support for EIGRP 38-10
Configuring BFD Support for OSPF 38-11
Configuring BFD Support for Static Routing 38-13
Configuring BFD Echo Mode 38-15
Prerequisites 38-15
Restrictions 38-15
Configuring the BFD Slow Timer 38-16
Disabling BFD Echo Mode Without Asymmetry 38-16
Monitoring and Troubleshooting BFD 38-17
Configuration Examples for Bidirectional Forwarding Detection 38-17
Example: Configuring BFD in an EIGRP Network with Echo Mode Enabled by Default 38-17
Example: Configuring BFD in an OSPF Network 38-22
Example: Configuring BFD Hardware-Offload support in a BGP Network Network 38-25
Example: Configuring BFD Support for Static Routing 38-27
Additional References 38-28
Related Documents 38-28
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