Speaking of MDF/IDF and Data Centers. This is so flexible these days and used differently so use it however you...
Below is a chart to figure out how many inches is 1U in a Rack. This comes in handy when...
Network Bits Subnet Mask Number of Subnets Number of Hosts /8 255.0.0.0 0 16777214 /9 255.128.0.0 2 (0) 8388606...
DNS name servers are usually split into two categories:...
There’s a lot you need to think about when designing your Splunk environment. I’m hoping to keep adding to this...
#DTP and VTP – What are they? Dynamic Trunking Protocol (DTP): Automagically negotiates trunk links VLAN trunking protocol (VTP): -Used...
DNS rewrite or DNS Doctoring has been around on the Cisco ASA’s for a while. Palo Alto firewalls received this...
This post is a high-level design questionnaire that can be used to gather information from a customer’s environment to plan...
#VLSM (Variable Length Subnet Mask) SUBNETTING: This is basically taking a large subnet and dividing it out into smaller subnets....