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Question 20 - 500-220 discussion

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Refer to the exhibit.

Which two actions are required to optimize load balancing asymmetrically with a 4:1 ratio between links? (Choose two.)

A.

Change the primary uplink to 'none'.

Answers
A.

Change the primary uplink to 'none'.

B.

Add an internet traffic preference that defines the load-balancing ratio as 4:1.

Answers
B.

Add an internet traffic preference that defines the load-balancing ratio as 4:1.

C.

Enable load balancing.

Answers
C.

Enable load balancing.

D.

Set the speed of the cellular uplink to zero.

Answers
D.

Set the speed of the cellular uplink to zero.

E.

Change the assigned speeds of WAN 1 and WAN 2 so that the ratio is 4:1.

Answers
E.

Change the assigned speeds of WAN 1 and WAN 2 so that the ratio is 4:1.

Suggested answer: C, E

Explanation:

To clarify, to optimize load balancing asymmetrically with a 4:1 ratio between links, two actions that are required are:

Enable load balancing: This option allows the MX to use both of its uplinks for load balancing.When load balancing is enabled under Security & SD-WAN > Configure > SD-WAN & Traffic shaping, traffic flows will be distributed between the two uplinks proportional to the WAN 1 and WAN 2 bandwidths specified under Uplink configuration1.

Change the assigned speeds of WAN 1 and WAN 2 so that the ratio is 4:1: The assigned speed of a WAN link is a value that indicates the bandwidth available on that link.By changing the assigned speeds of WAN 1 and WAN 2 so that they reflect the desired load-balancing ratio, the administrator can ensure that the MX uses both links efficiently and proportionally1. For example, if WAN 1 has a bandwidth of 100 Mbps and WAN 2 has a bandwidth of 25 Mbps, then setting their assigned speeds to 100 Mbps and 25 Mbps respectively will achieve a 4:1 load-balancing ratio.

asked 11/10/2024
Timothy Smith
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