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350-401 · Question #651

Refer to the exhibit. Which configuration must be applied to the HQ router to set up a GRE tunnel between the HQ and BR routers? A. B. C. D.

The correct answer is A. interface Tunnell ip address 10.111.111.1 255.255.255.0 tunnel source GigabitEthernet0/0 tunnel destination 209.165.202.134. Option A is correct because for a GRE tunnel on the HQ router, the tunnel source should be HQ's own outgoing interface (GigabitEthernet0/0) and the tunnel destination must be the BR router's public IP address. Based on the exhibit, 209.165.202.134 is the BR router's…

Submitted by weili_xi· Mar 6, 2026Infrastructure - Configure and verify GRE tunnel connectivity (CCNA 200-301 / WAN Concepts and VPN Technologies)

Question

Refer to the exhibit. Which configuration must be applied to the HQ router to set up a GRE tunnel between the HQ and BR routers? A. B. C. D.

Exhibits

350-401 question #651 exhibit 1
350-401 question #651 exhibit 2
350-401 question #651 exhibit 3
350-401 question #651 exhibit 4
350-401 question #651 exhibit 5
350-401 question #651 exhibit 6
350-401 question #651 exhibit 7
350-401 question #651 exhibit 8
350-401 question #651 exhibit 9
350-401 question #651 exhibit 10

Options

  • Ainterface Tunnell ip address 10.111.111.1 255.255.255.0 tunnel source GigabitEthernet0/0 tunnel destination 209.165.202.134
  • Binterface Tunnell ip address 10.111.111.1 255.255.255.0 tunnel source GigabitEthernet0/0 tunnel destination 209.165.202.133
  • Cinterface Tunnell ip address 10.111.111.1 255.255.255.0 tunnel source GigabitEthernet0/0 tunnel destination 209.165.202.129
  • Dinterface Tunnell ip address 209.165.202.130 255.255.255.252 tunnel source GigabitEthernet0/0 tunnel destination 209.165.202.129

How the community answered

(27 responses)
  • A
    74% (20)
  • B
    7% (2)
  • C
    4% (1)
  • D
    15% (4)

Explanation

Option A is correct because for a GRE tunnel on the HQ router, the tunnel source should be HQ's own outgoing interface (GigabitEthernet0/0) and the tunnel destination must be the BR router's public IP address. Based on the exhibit, 209.165.202.134 is the BR router's public-facing IP address, making it the correct tunnel destination. The tunnel IP address 10.111.111.1 is a private overlay address used for the GRE tunnel itself, which is appropriate.

Topics

#GRE Tunnels#WAN Technologies#Tunnel Configuration#IP Addressing

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