Networks Training https://www.networkstraining.com Sat, 19 Oct 2019 10:53:36 +0000 en-US hourly 1 https://wordpress.org/?v=5.2.4 What is a Network Security Key in Home Wireless Networks? https://www.networkstraining.com/network-security-key-in-wifi/ https://www.networkstraining.com/network-security-key-in-wifi/#respond Tue, 15 Oct 2019 18:37:31 +0000 https://www.networkstraining.com/?p=3873 It is fair to say that there are few things more important to your daily security than the security of your Internet connection and hence your privacy and sensitive data. Everyone has heard horror stories of their information being stolen via covert means online, and nobody wants to be subject to the nightmares that can […]

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]]> https://www.networkstraining.com/network-security-key-in-wifi/feed/ 0 Cisco IOS Zone Based Firewall Configuration Example (ZBF) https://www.networkstraining.com/cisco-ios-zone-based-firewall/ https://www.networkstraining.com/cisco-ios-zone-based-firewall/#respond Mon, 14 Oct 2019 06:32:07 +0000 https://www.networkstraining.com/?p=1102 In this article we will consider the topic of Cisco IOS Zone Based Firewall (ZBFW). Cisco IOS Zone Based Firewall allows us to define Security Zones and to give each zone its own policy. What is Zone Based Firewall At the very beginning of Cisco routers, the implementation of firewall functionality on IOS router devices […]

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]]> https://www.networkstraining.com/cisco-ios-zone-based-firewall/feed/ 0 Intelligent DDoS Mitigation System – IDMS Compared to Firewall & IPS https://www.networkstraining.com/intelligent-ddos-mitigation-system-idms/ https://www.networkstraining.com/intelligent-ddos-mitigation-system-idms/#respond Mon, 14 Oct 2019 05:45:16 +0000 https://www.networkstraining.com/?p=923 As e-commerce continues to proliferate and deliver profitable results, more business is being done online. The growing adoption of online retailing, Internet banking, cloud-based data storage and other commercial services represents a natural evolution of Internet use. For online businesses, however, any downtime can dramatically impact the bottom line. As a result, the growing scale […]

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]]> https://www.networkstraining.com/intelligent-ddos-mitigation-system-idms/feed/ 0 How to Configure Cisco VTP – VLAN Trunking Protocol https://www.networkstraining.com/how-to-configure-cisco-vtp-vlan-trunk-protocol/ https://www.networkstraining.com/how-to-configure-cisco-vtp-vlan-trunk-protocol/#respond Sun, 13 Oct 2019 04:22:26 +0000 https://www.networkstraining.com/?p=445 In a previous post I explained how to configure VLANs on Cisco Switches. That was a simple scenario with just two switches connected with a trunk port and having shared VLANs belonging to both switches. Now, imagine the situation where you need to manage a huge Layer 2 switched network with tens or hundreds of […]

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]]> https://www.networkstraining.com/how-to-configure-cisco-vtp-vlan-trunk-protocol/feed/ 0 Difference Between Routers and Switches in TCP/IP Networks https://www.networkstraining.com/router-vs-switch-in-networks/ https://www.networkstraining.com/router-vs-switch-in-networks/#respond Fri, 11 Oct 2019 15:42:55 +0000 https://www.networkstraining.com/?p=3849 The key difference between routers and switches is that switches primarily function to provide Layer 2 connectivity and routers provide Layer 3 connectivity (as described in the OSI layer model). What exactly does this mean? From a high level view it means that switches allow hosts to communicate as long as they are on a […]

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]]> https://www.networkstraining.com/router-vs-switch-in-networks/feed/ 0 How to Ping a Network Port (TCP) Number to Verify if its Open https://www.networkstraining.com/how-to-ping-a-port/ https://www.networkstraining.com/how-to-ping-a-port/#respond Mon, 16 Sep 2019 17:57:55 +0000 https://www.networkstraining.com/?p=3826 In this article I’ll describe a few ways to verify over the network if a remote TCP port on a host is open or not. This is a popular troubleshooting method to identify if a specific service or application is running on a remote server or computer. As you might know already, when an application […]

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]]> https://www.networkstraining.com/how-to-ping-a-port/feed/ 0 15 Best Network Diagram Software & Topology Mapper Tools (Free&Paid) https://www.networkstraining.com/best-network-diagram-software/ https://www.networkstraining.com/best-network-diagram-software/#comments Sat, 07 Sep 2019 12:38:34 +0000 https://www.networkstraining.com/?p=3801 Throughout my career in TCP/IP networking (mainly with Cisco products) I have learned a very important lesson: Spending some time to create Documentation for your projects will pay dividends down the road. An important part of this Documentation is a network diagram/topology of your Network project. Moreover, another primary task you will need to perform […]

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]]> https://www.networkstraining.com/best-network-diagram-software/feed/ 2 New MAJOR Changes in Cisco CCNA, CCNP, CCIE in 2020 https://www.networkstraining.com/major-updates-in-cisco-ccna-ccnp-ccie-in-2020/ https://www.networkstraining.com/major-updates-in-cisco-ccna-ccnp-ccie-in-2020/#comments Wed, 21 Aug 2019 09:01:26 +0000 https://www.networkstraining.com/?p=3788 I have been a Cisco certified professional since 2001 where I first passed my CCNA exam. A few months after that I managed to acquire also CCNP Routing and Switching and then CCSP (Security Professional certification which is not available anymore). During all these years I have experienced many changes in Cisco Certifications, some of […]

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]]> https://www.networkstraining.com/major-updates-in-cisco-ccna-ccnp-ccie-in-2020/feed/ 2 Ubiquiti Unifi Security Gateway (USG) Vs Edgerouter 4/Lite https://www.networkstraining.com/ubiquiti-usg-vs-edgerouter/ https://www.networkstraining.com/ubiquiti-usg-vs-edgerouter/#respond Sat, 17 Aug 2019 20:09:35 +0000 https://www.networkstraining.com/?p=3777 Ubiquiti manufactures networking products (routers, switches, wireless etc) that can serve in a broad range of implementation cases, from Home networks up to large Enterprise environments. The USG (UniFi Security Gateway) and EdgeRouter devices are two product lines that target a similar market – I would say the SOHO and SMB enterprise market (although there […]

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]]> https://www.networkstraining.com/ubiquiti-usg-vs-edgerouter/feed/ 0 7 Types of Firewalls in I.T and Computer Networks Explained https://www.networkstraining.com/different-types-of-firewalls/ https://www.networkstraining.com/different-types-of-firewalls/#respond Wed, 07 Aug 2019 19:10:03 +0000 https://www.networkstraining.com/?p=3770 The firewall is the cornerstone of security in computer networks and I.T in general. In this website I have been talking extensively about the Cisco ASA firewall which is a classic example of a hardware network firewall. However, there are some other types of firewalls used in large enterprises, SMB or even home networks. Some […]

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]]> https://www.networkstraining.com/different-types-of-firewalls/feed/ 0 10 Best SFTP Server Software for Windows in 2019 https://www.networkstraining.com/best-sftp-server-software-for-windows/ https://www.networkstraining.com/best-sftp-server-software-for-windows/#comments Tue, 16 Jul 2019 15:32:23 +0000 https://www.networkstraining.com/?p=3735 With the rise of distributed networks, finding a secure way to transfer files and data is essential. That’s where software products like Secure File Transfer Protocol, better known as SFTP, comes in. File Transfer Protocol has been around since 1971; the encrypted version was developed in 1994. This popular file transfer communication protocol is able […]

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]]> https://www.networkstraining.com/best-sftp-server-software-for-windows/feed/ 1 9 Free TFTP Server Software for Windows Computers (Updated 2019) https://www.networkstraining.com/tftp-server-windows/ https://www.networkstraining.com/tftp-server-windows/#respond Mon, 08 Jul 2019 14:35:21 +0000 https://www.networkstraining.com/?p=3712 I first got acquainted with TFTP at the beginning of my networking career. The first use-case of TFTP protocol is when I first upgraded the IOS firmware of a Cisco router using a little software utility called “TFTPD32”. Trivial File Transfer Protocol (TFTP) software provide a key service to many network and system administrators for […]

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]]> https://www.networkstraining.com/tftp-server-windows/feed/ 0 Differences Between TCP and UDP in IP Communication Networks https://www.networkstraining.com/difference-between-tcp-udp/ https://www.networkstraining.com/difference-between-tcp-udp/#respond Thu, 20 Jun 2019 20:48:27 +0000 https://www.networkstraining.com/?p=3703 TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) are both Layer 4 transmission protocols in the OSI model. However, these two protocols are quite different. From a high level view you could say that TCP is reliable and UDP is unreliable. Why then would we use UDP?

Table Of Contents

UDP Characteristics Due to UDP being […]

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]]> https://www.networkstraining.com/difference-between-tcp-udp/feed/ 0 10 Best Alternatives to Putty as SSH and Telnet Clients (in 2019) https://www.networkstraining.com/best-putty-alternatives/ https://www.networkstraining.com/best-putty-alternatives/#respond Tue, 18 Jun 2019 18:06:50 +0000 https://www.networkstraining.com/?p=3688 PuTTY is a free terminal emulation tool that’s been available for 20 years. Originally released for Microsoft Windows, this versatile remote administration tool can be used to access workstations, servers, network devices etc using various protocols such as secure shell connection (SSH), Telnet, Rlogin etc. While it continues to be popular for accessing network devices […]

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]]> https://www.networkstraining.com/best-putty-alternatives/feed/ 0 10 Best Network Traffic Packet Generator Software Tools (in 2019) https://www.networkstraining.com/best-network-traffic-packet-generator-tools/ https://www.networkstraining.com/best-network-traffic-packet-generator-tools/#respond Tue, 18 Jun 2019 13:49:35 +0000 https://www.networkstraining.com/?p=3672 In the Networking and IT world we usually design and implement networks and server infrastructure taking for granted that the hardware and applications will withstand any volume of traffic. Stress Testing a network or IT system with high volume of traffic will give us significant insights about the behavior of such systems in abnormal conditions […]

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