Reply To: public ip addresses
by
rvacleanair
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about 1 year, 3 months ago
In reply to public ip addresses
In a large corporate network, the setup is typically more complex than a small home network. In such environments, there are often multiple public IP addresses involved. The basic concept of using private IP addresses internally and a public IP address for external communication still applies, but the scale and requirements of a corporate network necessitate some differences.
Here’s a simplified breakdown:
Private IP Addresses for Internal Devices: Like in a home network, devices within the corporate network are assigned private IP addresses. This helps with internal communication and allows many devices to share a single public IP address.
Network Address Translation (NAT): To connect to the internet, the corporate network uses a device (usually a router or firewall) that performs Network Address Translation (NAT). This device has at least one public IP address assigned by the Internet Service Provider (ISP). It maps multiple internal private IP addresses to its single public IP address when communicating with external servers on the internet.
Multiple Public IP Addresses: In larger corporate networks, especially those spanning multiple buildings or locations, there might be multiple public IP addresses. This could be due to the need for redundancy, load balancing, or accommodating a large number of simultaneous connections.
Firewalls and Security Devices: Corporate networks often have sophisticated firewall systems and other security devices to monitor and control traffic between the internal network and the internet. These devices play a crucial role in protecting the network from external threats.
In summary, while the basic principle of using private IP addresses internally and a public IP address for external communication remains, the complexity of large corporate networks often requires more sophisticated setups, including multiple public IP addresses and advanced network infrastructure.
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This reply was modified 1 year, 3 months ago by
kees_b.