I want to address the human element of troubleshooting a bit. As a network engineer or any other type of IT contributor you will find yourself in troubleshooting scenarios involving people other than yourself. You may collaborate with other members of your team to solve problems whether you’re seeking help or receiving it. You also…
This post will be somewhat of a continuation of the last post entitled “A bit about 802.1q Trunk ports”. Relevant CCNA Topics Covered: Interconnecting Cisco Networking Devices Part 1 (100-105) Section 2.0 The last post touched on the need for a layer 3 device to switch or route inter-vlan traffic. The configuration in which a…
What is a trunk port, and how do they help your network? Relevant CCNA Topics Covered: Interconnecting Cisco Networking Devices Part 1 (100-105) Section 2.0 A trunk port is a port that has the ability to switch frames on multiple vlans. Switchports assigned to only one vlan are called access ports, and can be statically assigned…
What is a VLAN, and how do they help your network? Relevant CCNA Topics Covered: Interconnecting Cisco Networking Devices Part 1 (100-105) Section 2.0 VLAN stands for Virtual Local Area Network. It is a term and technology that you will deal with quite often as a network engineer. A VLAN and its application within…
This post will cover some basics of the IEEE 802.3 Ethernet specification and its application in Cisco gear. My expectation is that you have read or will read the Cisco Press study guides to gain a deeper understanding of some of the underlying technologies that I will reference in this document. Relevant CCNA…
