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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 29 Configuring Multihop Bidirectional Forwarding Detection
How to Configure Multihop BFD
DETAILED STEPS
Command or Action Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
configure terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
bfd-template multi-hop
template-name
Example:
Router(config)# bfd-template multi-hop
mh-template1
Creates a BFD multihop BFD template and enters BFD
configuration mode.
Step 4
interval min-tx
milliseconds
min-rx
milliseconds
multiplier
multiplier-value
Example:
Router(bfd-config)# interval min-tx 120 min-rx
100 multiplier 3
Configures the transmit and receive intervals between BFD
packets, and specifies the number of consecutive BFD
control packets that must be missed before BFD declares
that a peer is unavailable.
Step 5
authentication
authentication-type
keychain
keychain-name
Example:
Router(bfd-config)# authentication keyed-sha-1
keychain bfd-multihop
Configures authentication for the multihop template and the
authentication type.
Step 6
end
Example:
Router(bfd-config)# end
Returns the router to privileged EXEC mode.