Which of the following virtual devise will NOT fail over, if its interface fails in a VSX High Availability configuration?

Question

Options

• AVirtual System in Bridge Mode
• BManagement Virtual System Interface
• CExternal Virtual Router
• DInternal Virtual Router
• EVirtual System with VLAN interfaces

• A
  56% (18)
• B
  9% (3)
• C
  3% (1)
• D
  6% (2)
• E
  25% (8)

Explanation

In a VSX High Availability configuration, a Virtual System in Bridge Mode does not fail over when its interface fails because Bridge Mode operates at Layer 2 (transparent/inline), meaning it has no routable IP addresses and lacks the Layer 3 state synchronization mechanisms that VSX HA relies on to trigger and execute a failover - it simply passes traffic transparently and cannot "move" to a standby member.

The distractors are wrong because the Management Virtual System interface (B), External Virtual Routers (C), Internal Virtual Routers (D), and Virtual Systems with VLAN interfaces (E) all operate at Layer 3 with addressable interfaces, enabling them to participate fully in VSX HA synchronization and fail over to the standby member when an interface failure is detected.

Memory tip: Think of Bridge Mode as a "transparent window" - a window doesn't move when the wall cracks; it just stays in place. Everything with a routable address can "jump ship" to the standby, but the bridge is stuck because it has nowhere routable to go.

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