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Zorluk: KolayConfigure User-Defined Routes and Routing Tables

Your company has an Azure virtual network named `VNet-Production` that contains two subnets named `Subnet-Database` (172.16.1.0/24172.16.1.0/24) and `Subnet-Security` (172.16.2.0/24172.16.2.0/24). By default, virtual machines in `Subnet-Database` route traffic directly to the internet using the default system routes. A third-party firewall virtual machine with the private IP address of 172.16.2.4172.16.2.4 is deployed in `Subnet-Security`. You need to redirect all outbound internet traffic (0.0.0.0/00.0.0.0/0) from `Subnet-Database` to the firewall. Which next hop type must you specify in the route table to ensure the traffic is sent to the firewall's private IP address?

  1. A
    Virtual network gateway
  2. B
    Internet
  3. Virtual applianceCevap
  4. D
    VnetLocal

Cevap

Virtual appliance
The correct answer is 'Virtual appliance'. When you want to route traffic through a custom virtual machine acting as a firewall or network virtual appliance (NVA), you must create a User-Defined Route (UDR) and select 'Virtual appliance' as the next hop type, providing the private IP address of the firewall VM (172.16.2.4172.16.2.4).

Adım Adım Çözüm

1
Identify the destination and the device that will process the traffic.
The destination is the internet (0.0.0.0/00.0.0.0/0), and the processing device is a firewall virtual machine acting as a Network Virtual Appliance (NVA) at the IP address 172.16.2.4172.16.2.4.
This determines that custom routing is required to override the default system route to the internet.
2
Select the correct Azure next hop type for a virtual machine that inspects or filters traffic.
The correct next hop type is 'Virtual appliance' because the firewall is a VM running in a subnet.
Azure route tables require the 'Virtual appliance' hop type when directing traffic to a user-defined private IP address of a virtual machine.

Anahtar Kavram

Selecting the correct next hop type for custom routing to a Network Virtual Appliance (NVA)
Tahmini Süre:45s
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