What is the default value (in milliseconds) set for the poll interval in the BFD basic configuration?

The correct answer is B. 600,000. The default poll interval for BFD basic configuration in Cisco SD-WAN is 600,000 milliseconds.

WAN Edge Router Deployment

Question

What is the default value (in milliseconds) set for the poll interval in the BFD basic configuration?

Options

A300,000
B600,000
C900,000
D1,200,000

How the community answered

(36 responses)

A
3% (1)
B
86% (31)
C
8% (3)
D
3% (1)

Why each option

The default poll interval for BFD basic configuration in Cisco SD-WAN is 600,000 milliseconds.

A300,000

300,000 milliseconds is not the default BFD poll interval in Cisco SD-WAN.

B600,000Correct

Cisco SD-WAN configures the BFD poll interval, which is used for data plane tunnel liveness detection, with a default value of 600,000 milliseconds (10 minutes).

C900,000

900,000 milliseconds is not the default BFD poll interval in Cisco SD-WAN.

D1,200,000

1,200,000 milliseconds is not the default BFD poll interval in Cisco SD-WAN.

Concept tested: BFD default poll interval

Source: https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/sdwan-interface-configuration.html

Topics

#BFD Configuration#SD-WAN Protocols#Default Timers

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