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Juniper

JN0-102 · Question #91

Which configuration parameter on a Junos device alters the default next-hop resolution behavior of a static route?

The correct answer is B. resolve. The resolve parameter configured for a static route in Junos OS alters its default next-hop resolution behavior by enabling recursive lookup.

Routing Fundamentals

Question

Which configuration parameter on a Junos device alters the default next-hop resolution behavior of a static route?

Options

  • Ano-readvertise
  • Bresolve
  • Cpreference
  • Dpassive

How the community answered

(37 responses)
  • A
    3% (1)
  • B
    92% (34)
  • D
    5% (2)

Why each option

The `resolve` parameter configured for a static route in Junos OS alters its default next-hop resolution behavior by enabling recursive lookup.

Ano-readvertise

`no-readvertise` prevents a static route from being advertised into routing protocols, but it does not affect how its next hop is resolved locally.

BresolveCorrect

The `resolve` parameter, configured under a static route, explicitly tells the Junos device to perform a recursive lookup for the next-hop address. This allows the next hop to be reachable via another route, changing the default behavior where it must be directly connected.

Cpreference

`preference` assigns an administrative distance to a route, influencing route selection when multiple paths exist, but it doesn't change next-hop resolution behavior.

Dpassive

`passive` is used in some routing protocol contexts to indicate an interface should not send or receive routing updates, which is unrelated to static route next-hop resolution.

Concept tested: Junos static route next-hop resolution

Source: https://www.juniper.net/documentation/us/en/software/junos/routing-options/topics/topic-map/static-routes.html

Topics

#static routes#next-hop resolution#resolve parameter

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