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Data CenterRouting & Switching

OSPF LSA Type Overview

Security

Palo Alto – Perform FIB Lookup for a Specific Destination

This command is a good one that I use often. There are time I want to see if a route...
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Code

Common HTTP Response Codes

Security

Okta Voice Call Authentication MFA Being Blocked – Tmobile Spam Blocking

I noticed that the Okta Voice Call Authentication callback option for MFA was not working for my Cell phone number....
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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...
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Routing & Switching

Cisco Router Fiber Optic Levels

Below is a way to check the Tx/Rx Optical power levels on a Cisco router. I have a post on...
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Security

Palo Alto – Source Ping

Something to keep in mind is when you ping from a Palo Alto firewall via the CLI, it’s going to...
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

Common Ports

Laptops & DesktopsServers

10 Common Reasons for a Windows AD Lockout

1. Programs with cached credentials 2. Changed password in a service account 3. Having a bad password limit that’s too...
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Servers

Types of HTTP Error and Status Codes

It’s important to know your HTTP error codes even if you’re a network engineer. You don’t need to memorize them...
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Categories

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

AWS Azure Best Practices BGP Certificates CISA Cisco Cisco ACI Cisco ACS Cisco ASA Cisco ASR Cisco Catalyst Cisco CLI Cisco ISE Cisco Nexus Cisco Stack Cisco Wireless DDOS Design DNS EIGRP F5 HP IP Sla Kali Logging macOS Microsoft IIS Microsoft Windows Netflow Okta OSPF Packet Capture Palo Alto Palo Alto CLI PDF Ports PowerShell QOS snmp Splunk SSL Structured Cabling Troubleshooting VMWare
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Troubleshooting Palo Alto Microsoft Windows Cisco ASA PDF
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