Cisco Systems A9014CFD manual 29-3

Chapter 29 Configuring Multihop Bidirectional Forwarding Detection

How to Configure Multihop BFD

DETAILED STEPS

	Command or Action	Purpose
Step 1
	enable	Enables privileged EXEC mode.
		• Enter your password if prompted.
	Example:
	Router> enable
Step 2
	configure terminal	Enters global configuration mode.
	Example:
	Router# configure terminal
Step 3
	bfd-template multi-hop template-name	Creates a BFD multihop BFD template and enters BFD
		configuration mode.
	Example:
	Router(config)# bfd-template multi-hop
	mh-template1
Step 4
	interval min-tx milliseconds min-rx	Configures the transmit and receive intervals between BFD
	milliseconds multiplier multiplier-value	packets, and specifies the number of consecutive BFD
		control packets that must be missed before BFD declares
	Example:	that a peer is unavailable.
	Router(bfd-config)# interval min-tx 120 min-rx
	100 multiplier 3
Step 5
	authentication authentication-typekeychain	Configures authentication for the multihop template and the
	keychain-name	authentication type.
	Example:
	Router(bfd-config)# authentication keyed-sha-1
	keychain bfd-multihop
Step 6
	end	Returns the router to privileged EXEC mode.
	Example:
	Router(bfd-config)# end

	Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09		29-3