Refer to the exhibit. Two Cisco Nexus 9000 Series Switches exchange OSPF routing information with R1. Which action accomplishes this goal?

The correct answer is C. Add layer3 peer-router under VPC domain.. Configuring layer3 peer-router at the vPC-domain level makes the two Nexus switches present themselves as a single OSPF neighbor to R1. This setting synchronizes ARP/adjacency state across the peer pair and allows a routed vPC EtherChannel (Po10) to form a proper OSPF adjacency w

Data Center Network Design

Question

Exhibit

Options

AAdd peer-gateway under VPC interface link.
BAdd peer-gateway under VPC domain.
CAdd layer3 peer-router under VPC domain.
DAdd layer3 peer-router under VPC interface link.

How the community answered

(45 responses)

A
2% (1)
B
7% (3)
C
89% (40)
D
2% (1)

Explanation

Configuring layer3 peer-router at the vPC-domain level makes the two Nexus switches present themselves as a single OSPF neighbor to R1. This setting synchronizes ARP/adjacency state across the peer pair and allows a routed vPC EtherChannel (Po10) to form a proper OSPF adjacency without split‑brain issues.

Topics

#Cisco Nexus#VPC#OSPF#Layer 3 peering

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