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JN0-632 · Question #19

You configure an SRX Series chassis cluster with graceful restart support for the configured routing protocols. When testing your cluster failover in a large, multivendor lab environment, you notice…

The correct answer is B. The OSPF/BGP neighbors in question are not running in GR helper mode, which causes the adjacencies. See the full explanation below for the reasoning.

Question

You configure an SRX Series chassis cluster with graceful restart support for the configured routing protocols. When testing your cluster failover in a large, multivendor lab environment, you notice that most of the BGP and OSPF neighbors remain adjacent, whereas a few other neighbors drop the adjacency with your cluster during the cluster failover test. You notice that the OSPF and BGP neighbors that drop the adjacencies are always the same. Why is this happening?

Options

  • AThe OSPF/BGP neighbors in question have misconfigured hello/dead interval timers, which causes
  • BThe OSPF/BGP neighbors in question are not running in GR helper mode, which causes the adjacencies
  • CThe local SRX cluster devices have misconfigured OSPF/BGP hello/dead interval timers, which cause
  • DThe local SRX cluster devices are not running in GR helper mode, which causes the adjacencies to flap.

How the community answered

(31 responses)
  • A
    3% (1)
  • B
    81% (25)
  • C
    13% (4)
  • D
    3% (1)

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