Routing & SwitchingIPv4 CIDR Blocks 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... Read More
Data CenterLaptops & DesktopsSecurityServersDNS Authoritative vs Non-Authoritative (Recursive) and DNS FlowsDNS name servers are usually split into two categories:... Read More
SecurityCisco ACS to ISE High Level Design QuestionnaireThis post is a high-level design questionnaire that can be used to gather information from a customer’s environment to plan... Read More
Routing & SwitchingCisco Design Best Practices#VLSM (Variable Length Subnet Mask) SUBNETTING: This is basically taking a large subnet and dividing it out into smaller subnets.... Read More