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Zorluk: KolayHigh Availability and Redundancy Concepts

A network technician is configuring Virtual Router Redundancy Protocol (VRRP) across two enterprise routers to provide default gateway fault tolerance for a local subnet. Which IP address must be configured as the default gateway on host computers to ensure uninterrupted network access during a gateway failure?

  1. The virtual IP address shared by the VRRP groupCevap
  2. B
    The physical interface IP address assigned to the primary router
  3. C
    The physical interface IP address assigned to the backup router
  4. D
    The management IP address of the switch with the highest numerical priority value

Cevap

The virtual IP address shared by the VRRP group must be configured as the default gateway on host computers.
First Hop Redundancy Protocols (FHRPs) like VRRP provide gateway redundancy by creating a virtual router with a shared Virtual IP (VIP) address. Host workstations configured to use this VIP send traffic to whichever physical router is actively serving as the master, ensuring continuous connectivity if one router fails.

Adım Adım Çözüm

1
Identify the purpose of First Hop Redundancy Protocols (FHRP) such as VRRP.
VRRP creates a single logical virtual router out of multiple physical routers.
End devices require a consistent IP address for their default gateway setting regardless of which physical router is actively forwarding packets.
2
Determine the proper default gateway setting for host devices.
Hosts must point to the Virtual IP (VIP) address managed by the VRRP group.
When the active router fails, the standby router assumes ownership of the VIP, keeping default gateway traffic flowing without host reconfiguration.

Anahtar Kavram

First Hop Redundancy Protocols (FHRP) Virtual IP Configuration
Tahmini Süre:45s
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High Availability and Redundancy Concepts

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