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HPE0-Y53 · Question #16

An HP Comware switch is controlled by a team of HP VAN SDN Controllers. The controllers have these roles within the region that contains the switch. Controller 1 = Master Controller 2 Primary slave…

The correct answer is B. Controller 2 becomes the master for this switch, although Controller 1 remains master for other. 8472admin/content/s_curl-team-config.html#s_region-failover

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Question

An HP Comware switch is controlled by a team of HP VAN SDN Controllers. The controllers have these roles within the region that contains the switch. Controller 1 = Master Controller 2 Primary slave Controller 3 =Secondary slave A failed network connection causes Controller 1 to lose contact with the switch. Controller 2 and Controller 3 can still reach all the controlled devices. Controller 1 is still up and has contact with other controllers and switches. How does the team handle this situation?

Options

  • AController 1, as master, contacts OpenFlow-enabled devices near the switch and attempts to
  • BController 2 becomes the master for this switch, although Controller 1 remains master for other
  • CController 1, as master, removes the switch from any active flows and sends updated flows to
  • DController 2 becomes the master for all switches in the region, and Controller 1 becomes the

How the community answered

(24 responses)
  • A
    8% (2)
  • B
    71% (17)
  • C
    4% (1)
  • D
    17% (4)

Explanation

8472admin/content/s_curl-team-config.html#s_region-failover

Topics

#HP VAN SDN#OpenFlow#controller failover#master-slave election

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