QuestionQ39

Network Resiliency and virtualization

A pair of CX 8325 Series switches is configured as a VSX cluster. During normal operation, which function runs on both VSX members?

  • A replies to ARP requests with the cluster vMAC
  • B routes PIM and PIM-DR
  • C relays DHCP requests or servers DHCP offer
  • D periodically sends gratuitous ARP and broadcast hello packets
Explanation

VSX active gateway requires the same virtual IP and virtual MAC address on both peer switches, and each peer treats the active-gateway IP address as a self address. Both members can therefore reply to ARP requests for the virtual gateway with the shared cluster VMAC.

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