Idle timer multiplier meaning3/16/2023 ![]() See the IP routing documentation for your version of Cisco IOS software for information on configuring fast convergence. You should implement fast convergence for the routing protocol that you are using. One of the IP routing protocols supported by BFD must be configured on the routers before BFD is deployed.PXF is enabled by default and is generally not turned off. You must enable Cisco Parallel eXpress Forwarding (PXF) on the Cisco 10720 Internet router in order for BFD to operate properly.Cisco Express Forwarding (CEF) and IP routing must be enabled on all participating routers.Glossary Prerequisites for Bidirectional Forwarding Detection.Feature Information for Bidirectional Forwarding Detection.Configuration Examples for Bidirectional Forwarding Detection.How to Configure Bidirectional Forwarding Detection.Information About Bidirectional Forwarding Detection.Restrictions for Bidirectional Forwarding Detection.Prerequisites for Bidirectional Forwarding Detection.To access Cisco Feature Navigator, go to. Use Cisco Feature Navigator to find information about platform support and Cisco IOS and Catalyst OS software image support. To reach links to specific feature documentation in this module and to see a list of the releases in which each feature is supported, use the "Feature Information for Bidirectional Forwarding Detection" section.įinding Support Information for Platforms and Cisco IOS and Catalyst OS Software Images Your Cisco IOS software release may not support all of the features documented in this module. Because the network administrator can use BFD to detect forwarding path failures at a uniform rate, rather than the variable rates for different routing protocol hello mechanisms, network profiling and planning will be easier, and reconvergence time will be consistent and predictable.įinding Feature Information in This Module In addition to fast forwarding path failure detection, BFD provides a consistent failure detection method for network administrators. BFD is a detection protocol designed to provide fast forwarding path failure detection times for all media types, encapsulations, topologies, and routing protocols. This document describes how to enable the Bidirectional Forwarding Detection (BFD) protocol. Monitoring and Troubleshooting BFD for Cisco 10720 Internet RoutersĬonfiguration Examples for Bidirectional Forwarding DetectionĬonfiguring BFD in an EIGRP Network with Echo Mode Enabled by Default: ExampleĬonfiguring BFD in an OSPF Network: ExampleĬonfiguring BFD in a BGP Network: ExampleĬonfiguring BFD in an IS-IS Network: ExampleĬonfiguring BFD in an HSRP Network: Exampleįeature Information for Bidirectional Forwarding Detection Monitoring and Troubleshooting BFD for Cisco 12000 Series Routers Monitoring and Troubleshooting BFD for Cisco 7600 Series Routers How to Configure Bidirectional Forwarding DetectionĬonfiguring BFD Session Parameters on the InterfaceĬonfiguring BFD Support for Routing Protocolsĭisabling BFD Echo Mode Without Asymmetry Information About Bidirectional Forwarding Detectionīenefits of Using BFD for Failure Detection Restrictions for Bidirectional Forwarding Detection Prerequisites for Bidirectional Forwarding Detection Bidirectional Forwarding Detection Table Of Contents
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