Cisco Catalyst 9500 Series User Manual

CONTENTS
CHAPTER 1 Configuring Bidirectional Forwarding Detection 1
Bidirectional Forwarding Detection 1
Finding Feature Information 1
Prerequisites for Bidirectional Forwarding Detection 1
Restrictions for Bidirectional Forwarding Detection 2
Information About Bidirectional Forwarding Detection 2
BFD Operation 2
Neighbor Relationships 2
BFD Detection of Failures 3
BFD Version Interoperability 3
BFD Session Limits 4
BFD Support for Nonbroadcast Media Interfaces 4
BFD Support for Nonstop Forwarding with Stateful Switchover 4
BFD Support for Stateful Switchover 4
BFD Support for Static Routing 4
Benefits of Using BFD for Failure Detection 5
How to Configure Bidirectional Forwarding Detection 6
Configuring BFD Session Parameters on the Interface 6
Configuring BFD Support for Dynamic Routing Protocols 7
Configuring BFD Support for eBGP 7
Configuring BFD Support for EIGRP 8
Configuring BFD Support for IS-IS 10
Prerequisites 10
Configuring BFD Support for IS-IS for All Interfaces 11
Configuring BFD Support for IS-IS for One or More Interfaces 12
Configuring BFD Support for OSPF 13
Configuring BFD Support for OSPF for All Interfaces 14
Configuring BFD Support for OSPF for One or More Interfaces 15
Routing Configuration Guide, Cisco IOS XE Everest 16.6.x (Catalyst 9500 Switches)
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Cisco Catalyst 9500 Series Specifications

General

Series	Catalyst 9500 Series
Category	Switch
Software	Cisco IOS XE
Operating Temperature	0°C to 45°C (32°F to 113°F)
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Fixed Uplink Modules	Varies by model
Stacking	Yes (StackWise Virtual)
Redundancy	Redundant power supplies and fans
Security	Advanced security features
PoE+	Available (varies by model)
Power Supply Options	AC and DC options (varies by model)
Relative Humidity	5% to 90% noncondensing
Dimensions (H x W x D)	Varies by model
Weight	Varies by model
Ports	Up to 48 ports (varies by model)