Kerry Cordero
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Design

Data CenterLaptops & DesktopsServers

Data Center Rack Units Chart

Below is a chart to figure out how many inches is 1U in a Rack.  This comes in handy when... Read More
Security

Cisco ACS to ISE High Level Design Questionnaire

This post is a high-level design questionnaire that can be used to gather information from a customer’s environment to plan... Read More
Routing & Switching

Cisco 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
Routing & Switching

IPv4 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 & DesktopsSecurityServers

DNS Authoritative vs Non-Authoritative (Recursive) and DNS Flows

DNS name servers are usually split into two categories:... Read More

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Akamai AWS Azure Best Practices BGP Cisco Cisco ACI Cisco ACS Cisco AnyConnect Cisco ASA Cisco ASR Cisco Catalyst Cisco CCIE Cisco CLI Cisco ISE Cisco Nexus Cisco Stack DDOS Design DNS EIGRP F5 HP IP Sla Kali macOS MFA Microsoft Windows Netflow NMAP NTP Okta OSPF Packet Capture Palo Alto Palo Alto CLI Ports powershell python QOS snmp Splunk Troubleshooting VMWare WLC
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  • Home
  • About
  • Disclaimer
  • Links

Categories

  • Cloud
  • Code
  • Data Center
  • Laptops & Desktops
  • Load Balancing
  • Routing & Switching
  • Security
  • Servers
  • Uncategorized
  • VOIP
  • Wireless

Tags

Akamai AWS Azure Best Practices BGP Cisco Cisco ACI Cisco ACS Cisco AnyConnect Cisco ASA Cisco ASR Cisco Catalyst Cisco CCIE Cisco CLI Cisco ISE Cisco Nexus Cisco Stack DDOS Design DNS EIGRP F5 HP IP Sla Kali macOS MFA Microsoft Windows Netflow NMAP NTP Okta OSPF Packet Capture Palo Alto Palo Alto CLI Ports powershell python QOS snmp Splunk Troubleshooting VMWare WLC
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Troubleshooting Palo Alto Microsoft Windows Cisco ASA Cisco CLI
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