A network technician is setting up a Virtual Router Redundancy Protocol (VRRP) group betwe… — CompTIA Network+

A network technician is setting up a Virtual Router Redundancy Protocol (VRRP) group between two routers to provide default gateway redundancy for hosts on Subnet $10.10.20.0/24$ . Router 1 has interface IP $10.10.20.2$ , Router 2 has interface IP $10.10.20.3$ , and the Virtual IP (VIP) is configured as $10.10.20.1$ . Which IP address must be configured as the default gateway on client computers within this subnet?

10.10.20.1Answer
B
10.10.20.2
C
10.10.20.3
D
10.10.20.255

Answer

10.10.20.1 should be configured as the default gateway on all client workstations.

In First Hop Redundancy Protocols such as VRRP or HSRP, host endpoints must use the Virtual IP (VIP) address as their default gateway. This ensures that if the active master router fails, the standby router seamlessly takes over the VIP without requiring configuration updates on host workstations.

Step-by-Step Solution

Identify the purpose of First Hop Redundancy Protocols (FHRP) like VRRP.

VRRP creates a single logical virtual router with a shared Virtual IP (VIP) out of multiple physical routers.

Client devices need a static gateway target that remains active even if one physical device fails.

Determine the IP address that hosts should point to for default gateway services.

Hosts must point to the Virtual IP address (10.10.20.1) rather than any physical interface address (10.10.20.2 or 10.10.20.3).

When the master router fails, the backup router assumes control of the Virtual IP seamlessly without host reconfiguration.

Key Concept

FHRP Virtual IP Gateway Assignment

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