What is Etherchannel ? How to use it?
EtherChannel is a technology used in networking to create a logical link aggregation or link bundling of multiple physical Ethernet links into a single logical link, providing increased bandwidth, improved redundancy, and load balancing across the bundled links. It is also known as Link Aggregation, Port Channel, or Port Aggregation. EtherChannel is typically used in […]
Cisco ASA Firewall deployment via Cisco L3 Switch with VLANs.
In this post, we will be talking about the Cisco firewall installation and integration with VLANs installed Cisco Core L3 switch. I know, probably most of you had some troubles while you were implementing this topology 🙂 I would like to share all the details that I configured on real devices. What do we need […]
How to create VLANs on Huawei switches?
Huawei switches are network switches developed and produced by Huawei Technologies Co. Ltd., a leading global provider of information and communications technology (ICT) infrastructure and smart devices. Huawei switches offer a wide range of features and functionalities for both small and large-scale enterprise networks, including but not limited to: Huawei switches offer a robust and […]
Cisco IOS and running-config backup to TFTP server
Backing up the Cisco IOS and running-config is extremely important for several reasons: To summarize, backing up the Cisco IOS and running-config is critical for ensuring network availability, performance, and security. It is a best practice that all network administrators should follow to avoid potential issues and minimize downtime. First create your TFTP server on […]
What is OSPF Protocol? How to implement it on enterprise networks?
OSPF (Open Shortest Path First) is a routing protocol used in computer networks to exchange routing information among routers. It is an Interior Gateway Protocol (IGP) and is commonly used in large enterprise networks and service provider networks. OSPF works by having routers send link-state advertisements (LSAs) to all other routers in the network. These […]
What is NTP (Network Time Protocol) ? How to configure it on Cisco switches/routers?
Network Time Protocol (NTP) is a protocol used to synchronize the time on computers and other network devices. It works by sending messages between computers to determine the exact time and date. NTP is an important part of any computer network, as it ensures that all devices have the same time and date. This makes […]
Cisco switch/router SSH configuration
Configuring a Cisco switch for SSH connection is an important task for network administrators. This process requires a good understanding of the Windows OS and network protocols such as TCP/IP, traceroute, etc. In this article, we will discuss the steps to configure a Cisco switch for SSH connection and how to troubleshoot any issues that […]
What is “traceroute” command? How does it work on Windows OS?
The traceroute command is a network troubleshooting tool used to trace the path of data packets from one host to another. It works by sending out a series of TCP/IP packets with increasing Time-To-Live (TTL) values. As each packet passes through switches and routers, the TTL value is decremented until it reaches 0, at which […]
How to create IPSEC VPN Tunnels on Fortigate firewalls between the sites?
Setting up an IPSEC VPN tunnel between two sites is a great way to securely connect them. It allows for secure communication between the two sites and helps protect data from being intercepted. IPSEC VPN tunnels on Fortigate firewalls are easy to setup and configure, and can be done with the help of Cisco or […]
How to setup Fortigate firewall with Cisco core switches configured with VLANs?
Configuring a Fortigate Firewall is an important step for any network administrator. It not only ensures that the firewall is set up correctly, but also helps keep the network secure from any potential threats. In this article, we will discuss how to configure a Fortigate Firewall using CLI, from its first setup to more advanced […]