A network engineer is comparing First Hop Redundancy Protocols (FHRP) for a multi-vendor enterprise network deployment. The evaluation focuses on the operational defaults and protocol parameters of Cisco HSRPv1 and industry-standard VRRPv2. Which two statements accurately describe the operational differences between HSRPv1 and VRRPv2? (Choose two.)
- VRRPv2 uses the multicast IP address 224.0.0.18 for control traffic, whereas HSRPv1 uses 224.0.0.2.Answer
- BHSRPv1 allows the virtual IP address to be identical to an active router's physical interface IP address, whereas VRRPv2 strictly forbids matching physical interface IPs.
- VRRPv2 enables preemption by default for the Master router role, whereas HSRPv1 disables preemption by default for the Active router role.Answer
- DVRRPv2 uses virtual MAC addresses in the range 0000.0c07.acXX, whereas HSRPv1 uses virtual MAC addresses in the range 0000.5e00.01XX.
Answer
The correct options state that VRRPv2 uses multicast IP 224.0.0.18 while HSRPv1 uses 224.0.0.2, and that VRRPv2 has preemption enabled by default while HSRPv1 has preemption disabled by default.
The correct statements correctly identify key operational differences: VRRPv2 sends control advertisements to multicast IP 224.0.0.18 whereas HSRPv1 uses 224.0.0.2, and VRRPv2 has preemption enabled by default whereas HSRPv1 requires preemption to be explicitly configured.
Step-by-Step Solution
Key Concept
HSRPv1 vs VRRPv2 Protocol Characteristics and Defaults