This category contains all of our posts that is on configuration of network.
The Dynamic Host Configuration Protocol (DHCP) automates the assignment of IP addresses to host devices on a network. A DHCP pool, which is a pool of the range of available IP addresses, is created on the DHCP server. This server leases IP addresses from the pool to any device with DHCP enabled on the network. […]
How to Configure DHCP on Layer 2 Switch in Packet Tracer Read More »
The dynamic host configuration protocol is a protocol that automatically assigns an IP address to any host devices connected to a network. Once any host device that has DHCP enabled is connected to a network that has a DHCP server, it will automatically obtain an IP address from the DHCP server. This is normally used
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NTP is used to synchronize the clocks of devices in a network and ensure that they have a consistent and accurate time reference. However, without authentication, malicious actors could potentially manipulate or disrupt the time synchronization process, which can lead to security vulnerabilities. NTP authentication enables secure communication between NTP servers and clients by requiring
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The Network Time Protocol (NTP) is a protocol used for synchronizing time across various network devices within a network. By default, network devices rely on their individual hardware clocks, leading to time disparities that not only deviate from real-world time but also vary among different devices. Manually configuring time on each network device is a
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Syslog is an industry-standard protocol used to log messages about events that occur within a network device. On a network device like a router or switch, syslog can display messages about the device, like the interface of the device going down, the OSPF neighbor status of a router with another router, etc. Logs are very
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A web server is a server that delivers a webpage to a user when requested using a browser. When we surf the internet, we are actually making a request to a web server for a web page or file. A web server uses two basic protocols to render its service: HTTP/HTTPS and a DNS service.
Trivial File Transfer Protocol (TFTP) is a file transfer protocol utilized for backing up the configuration of a network device to a server or retrieving a configuration from a server to a network device. Backing up the configuration of a network device to a server is very important, as it helps prevent extended downtime in
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Email is an integral part of our daily communication. It helps exchange messages seamlessly. When we send an email, the message traverses through an email server before reaching its intended destination. A perfect example of an email server is SMTP, which is used by Google for its email services. In Cisco Packet Tracer, one can
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Cisco routers can function both as DNS servers and as DNS clients. A DNS server plays an important role in mapping the IP addresses of host devices to their corresponding hostnames. On the other hand, a DNS client is a network device capable of reaching other hosts on the network using their hostnames, not just
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A Domain Name System server (DNS server) plays a crucial role in mapping the hostname of a network device to its corresponding IP address. Typically, computers use the IP address of a device to identify the device in a network. However, IP addresses can be challenging for humans to remember. DNS helps to associate a
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