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200-101 · Question #214

Which statement describes VRRP object tracking?

The correct answer is B. It ensures the best VRRP router is the virtual router master for the group.. VRRP object tracking allows a router to monitor the state of tracked objects (such as upstream interfaces or IP routes) and automatically adjust its VRRP priority, causing a more capable router to become the virtual master.

Network Device Management

Question

Which statement describes VRRP object tracking?

Options

  • AIt monitors traffic flow and link utilization.
  • BIt ensures the best VRRP router is the virtual router master for the group.
  • CIt causes traffic to dynamically move to higher bandwidth links.
  • DIt thwarts man-in-the-middle attacks.

How the community answered

(19 responses)
  • A
    5% (1)
  • B
    89% (17)
  • C
    5% (1)

Why each option

VRRP object tracking allows a router to monitor the state of tracked objects (such as upstream interfaces or IP routes) and automatically adjust its VRRP priority, causing a more capable router to become the virtual master.

AIt monitors traffic flow and link utilization.

VRRP object tracking monitors the state of specific configured objects like interfaces or routes, not general traffic flow patterns or link utilization statistics.

BIt ensures the best VRRP router is the virtual router master for the group.Correct

VRRP object tracking ties the VRRP priority of a router to the operational state of a tracked object (for example, an upstream WAN interface). If the tracked object fails, the router's VRRP priority is decremented, causing the router with the next-highest priority to win the master election - ensuring the best available router always serves as the virtual gateway for the group.

CIt causes traffic to dynamically move to higher bandwidth links.

Load balancing across higher-bandwidth links is not a function of VRRP object tracking; VRRP provides gateway redundancy, not dynamic traffic engineering.

DIt thwarts man-in-the-middle attacks.

VRRP does not provide any security mechanism against man-in-the-middle attacks; it is a first-hop redundancy protocol focused on gateway availability.

Concept tested: VRRP object tracking for dynamic master election

Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipapp_fhrp/configuration/xe-16/fhp-xe-16-book/fhp-vrrp.html

Topics

#VRRP#object tracking#virtual router master#first hop redundancy

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