In a Cisco SD-WAN network, which VPN Identifier is reserved for carrying out-of-band network management traffic?

Question

Options

• AVPN 0
• BVPN 1
• CVPN 512
• DVPN 514

• A
  5% (1)
• C
  90% (18)
• D
  5% (1)

Explanation

Cisco SD-WAN VPN Identifiers Explained

VPN 512 is specifically reserved in Cisco SD-WAN (Viptela) architecture for out-of-band management traffic, providing a dedicated, separate management plane that allows administrators to manage devices independently of the data plane or transport network.

Why the distractors are wrong:

• VPN 0 is the transport VPN - it carries the WAN underlay traffic and is used to establish control plane connections (BFD, OMP) between SD-WAN devices, not management traffic.
• VPN 1 is a service-side VPN used for general enterprise data traffic and has no special reservation in the SD-WAN architecture.
• VPN 514 does not hold any special reserved designation in Cisco SD-WAN; it is simply a distractor designed to confuse candidates familiar with VPN 512.

Memory Tip: Think of "512 = Sysadmin" - the number 512 is commonly associated with system-level operations in computing (e.g., 512-byte sectors), helping you remember it's the system management VPN. Alternatively, remember the two key reserved VPNs: VPN 0 = goes OUT to the WAN, VPN 512 = manages the network.

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