DHCP Configuration on Cisco Router in Packet Tracer | Networking Academy |

In modern hyper-connected IT environments, admins must ensure all the devices are configured correctly and connected in a network. Manually assigning IP addresses to every device is prone to errors. This is where Dynamic Host Configuration Protocol or DHCP configuration comes into play. DHCP is a network management protocol where a server dynamically assigns IP addresses and related information to all the devices on the network for effective communication. Not only IP addresses, but DHCP can also configure a default gateway, subnet mask, Domain Name Server (DNS) and other relevant networking parameters.

DHCP reduces the chances of common errors occurring when IP addresses are assigned manually. It also ensures no two hosts can have the same IP addresses. DHCP plays an important role in managing small networks where mobile devices are used and require IP addresses on a non-permanent basis. The automatic allotment of IP addresses allows mobile devices to move freely from one network to another.

Further, DHCP helps to reduce the typographical errors arising when IP address configuration parameters aren’t defined properly. Since every device must have a unique IP address, duplicate addresses can create conflict where one or both of the devices cannot connect to the network. This happens when addresses are assigned manually. DHCP minimizes the risk of such IP address conflicts. If a change is detected, the DHCP server is updated with new information and the information will be distributed to the new endpoints automatically.

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