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VPC and Route Table

Sumit Rawal answered on August 29, 2023 Popularity 6/10 Helpfulness 2/10

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  • VPC and Route Table

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    Virtual Private Cloud (VPC):

    A Virtual Private Cloud (VPC) is a logically isolated section of the cloud where you can launch and manage resources like virtual machines, databases, and containers. It allows you to create a private network within the public cloud infrastructure. Each VPC has its own IP address range, subnets, routing tables, security groups, and other network-related settings.

    Key features of a VPC include:

    Isolation: VPCs provide network isolation, allowing you to create multiple separate environments within the same cloud provider account.

    IP Address Range: Each VPC is associated with an IP address range, which you can segment into smaller subnets to isolate different components or services.

    Subnets: Subnets are subdivisions of a VPC's IP address range. They can be public (accessible from the internet) or private (accessible only within the VPC).

    Security Groups: Security groups act as virtual firewalls, controlling inbound and outbound traffic to instances within a VPC.

    Network Access Control Lists (NACLs): NACLs are another layer of security that control traffic at the subnet level.

    Route Table:

    A Route Table is a configuration that determines how network traffic is directed within a VPC. It defines the rules for routing traffic from one subnet to another or to external destinations like the internet.

    Key aspects of a Route Table include:

    Routes: A route table contains a list of routes, where each route specifies a destination (usually a CIDR block) and a target (where the traffic should be sent).

    Default Route: A default route is a catch-all route used when no specific route matches the destination. It's often used to direct traffic to the internet gateway for external access.

    Associations: Each subnet in a VPC is associated with a specific route table. This determines how traffic is routed within that subnet.

    Propagation: Some services within the cloud platform, like Virtual Private Gateway (for VPN connections) or Transit Gateway, can propagate routes to your custom route tables.

    Public and Private Subnets: Route tables are often used to control whether a subnet is public (accessible from the internet) or private (not directly accessible from the internet). 

    Popularity 6/10 Helpfulness 2/10 Language whatever
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    Contributed on Aug 29 2023
    Sumit Rawal
    0 Answers  Avg Quality 2/10


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