Which benefit of using VRRP v3 as compared to VRRP v2 is true?

The correct answer is D. supports IPv4 and IPv6 in separate VRRP groups. VRRPv3 (defined in RFC 5798) extends the original VRRPv2 protocol by adding support for both IPv4 and IPv6, addressing them in separate VRRP groups. VRRPv2 (RFC 3768) only supports IPv4. This dual-stack capability is the key differentiator. Option A is incorrect - VRRPv3…

Advanced Enterprise Campus Networks

Question

Options

Asupports authentication
Bsupports preemption
Csupports stateful switchover
Dsupports IPv4 and IPv6 in separate VRRP groups

How the community answered

(51 responses)

A
2% (1)
B
2% (1)
C
6% (3)
D
90% (46)

Explanation

VRRPv3 (defined in RFC 5798) extends the original VRRPv2 protocol by adding support for both IPv4 and IPv6, addressing them in separate VRRP groups. VRRPv2 (RFC 3768) only supports IPv4. This dual-stack capability is the key differentiator. Option A is incorrect - VRRPv3 actually removed authentication support that existed in VRRPv2 (MD5 authentication), deferring security to IPsec. Option B is incorrect - preemption exists in both VRRPv2 and VRRPv3, so it is not a new benefit. Option C is incorrect - stateful switchover (SSO) is a high-availability feature specific to Cisco IOS platforms and is not a VRRPv3 protocol feature.

Topics

#VRRP v3#VRRP v2#IPv6 FHRP#first hop redundancy

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