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Checking Network Reachability

Checking Network Reachability

Learn how to determine an IP address’ reachability from a container.

In order to determine if an IP address is reachable from a container, we need to understand some terms associated with IP addresses.

IP addresses

An IP (Internet Protocol) address is a unique numerical identifier assigned to each device connected to a network. It can be an IPv4 (32-bit) or IPv6 (128-bit) format. The most commonly used is an IPv4. An IPv4 address consists of four numbers (octets) separated by periods, e.g., 192.168.0.1. IP addresses are categorized into different classes: A, B, C, D, and E. Each class has a specific range of addresses. ...