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Question 43 - JN0-280 discussion

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In the Junos OS, which feature is used to create an alternate next hop with a unique preference for a static route?

A.

Preference

Answers
A.

Preference

B.

Resolve

Answers
B.

Resolve

C.

Next-hop

Answers
C.

Next-hop

D.

Qualified-next-hop

Answers
D.

Qualified-next-hop

Suggested answer: D

Explanation:

In Junos OS, the qualified-next-hop feature is used to specify an alternate next hop for a static route, along with a unique preference value.

Step-by-Step Breakdown:

Qualified-Next-Hop:

A qualified-next-hop allows you to define multiple next hops for a static route, each with its own preference. This provides flexibility by allowing the router to choose the best available next hop based on reachability and preference.

Use Case:

If the primary next hop becomes unreachable, the router can automatically switch to the alternate next hop defined by the qualified-next-hop with a higher preference value.

Command Example:

set routing-options static route 10.10.10.0/24 qualified-next-hop 192.168.1.1 preference 5

set routing-options static route 10.10.10.0/24 qualified-next-hop 192.168.1.2 preference 10

Preference:

The next hop with the lowest preference is chosen first. If it becomes unavailable, the router will use the higher preference next hop.

Juniper

Reference:

Qualified-Next-Hop: This feature is used to configure backup or alternate next hops for static routes in Juniper devices.

asked 10/10/2024
Miguel Triebel
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