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Palo_Alto_Networks

PCNSE · Question #716

An engineer is configuring a firewall with three interfaces: - MGT connects to a switch with internet access. - Ethernet1/1 connects to an edge router. - Ethernet1/2 connects to a virtualization…

The correct answer is B. Set DNS and Palo Alto Networks Services to use the ethernet1/1 source interface. The engineer wants dynamic updates (signature/content updates) to use a dataplane interface rather than the management (MGT) interface. In Setup > Services > Service Route Configuration, you can override the default (MGT) source interface per service type. Since Ethernet1/1…

Submitted by andres_qro· Apr 18, 2026Deploy and Configure

Question

An engineer is configuring a firewall with three interfaces:

  • MGT connects to a switch with internet access.
  • Ethernet1/1 connects to an edge router.
  • Ethernet1/2 connects to a virtualization network.

The engineer needs to configure dynamic updates to use a dataplane interface for internet traffic. What should be configured in Setup > Services > Service Route Configuration to allow this traffic?

Options

  • ASet DNS and Palo Alto Networks Services to use the MGT source interface.
  • BSet DNS and Palo Alto Networks Services to use the ethernet1/1 source interface.
  • CSet DNS and Palo Alto Networks Services to use the ethernet1/2 source interface.
  • DSet DDNS and Palo Alto Networks Services to use the MGT source interface.

How the community answered

(70 responses)
  • A
    9% (6)
  • B
    84% (59)
  • C
    4% (3)
  • D
    3% (2)

Explanation

The engineer wants dynamic updates (signature/content updates) to use a dataplane interface rather than the management (MGT) interface. In Setup > Services > Service Route Configuration, you can override the default (MGT) source interface per service type. Since Ethernet1/1 connects to the edge router (internet access), setting both DNS and Palo Alto Networks Services to use ethernet1/1 (Option B) directs update traffic out through the dataplane to the internet. Option A routes traffic through MGT, not a dataplane interface. Option C uses ethernet1/2, which connects to the internal virtualization network and has no path to the internet or Palo Alto update servers. Option D references DDNS rather than DNS, which is the wrong service type for this use case.

Topics

#Service Route Configuration#Dynamic Updates#Dataplane Interfaces#Management Interface

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