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Routing & Switching

Seamless Network Migration: Best Practices for Minimizing Downtime and Ensuring Success

Migrating a network is a complex and critical task that requires meticulous planning and execution. As network administrators, your role...
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Security

Palo Alto – Monitoring GlobalProtect VPN User Logins

When monitoring GlobalProtect VPN user logins on a Palo Alto firewall, you can find the following details in the authentication...
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Routing & SwitchingSecurity

Whitelisting and TCP Behaviour

Understanding the behavior of TCP retransmissions in packet capture, particularly in the context of companies that whitelist IP addresses, is...
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Laptops & DesktopsServers

Windows DNS Server Behavior – Order of Operations:

In a Windows DNS server environment , if forwarders are configured, they take precedence over root hints for resolving external...
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Routing & Switching

Understanding Routing Table Options with ISPs for Dedicated Internet Access (DIA)

When organizations require dedicated and reliable internet connectivity, they often turn to Internet Service Providers (ISPs) for Dedicated Internet Access...
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Data CenterRouting & Switching

DIA ISP Circuit Migration

ISP-A = Lumen ISP-B (OLD) = Spectrum ISP-B (NEW) = AT&T ***We don’t have that many options for Tier 1...
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Laptops & DesktopsServers

Configure and manage Microsoft Defender Antivirus using the MpCmdRun.exe command-line tool

The command below is a straightforward way to run a custom scan using Windows Defender (Microsoft Defender Antivirus) from the...
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Load BalancingSecurity

F5 SSL Certificate Upgrade

To handle expiring certificates on an F5 (BIG-IP) system, you can either renew or replace your certificates. Here’s a detailed guide on how...
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Data Center

A Comprehensive Guide to Data Center Decommissioning

Decommissioning a data center is a critical process that involves more than just powering down machines and erasing data. It requires meticulous planning...
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Data CenterRouting & Switching

Seamless DHCP Server Transition with IP Helper Addresses

In network environments, the Dynamic Host Configuration Protocol (DHCP) plays a crucial role in automatically assigning IP addresses, subnet masks,...
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  • Home
  • About
  • Disclaimer
  • Guides and Slides
    • AWS Well-Architected Framework
    • Facebook – Running BGP in the Data Center at Scale
    • Microsoft – Experiences with BGP in Large Scale Data Centers
    • Palo Alto PCNSE Study Guide
  • IP Calculator
  • Links
  • Contact

Categories

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

Tags

Active Directory (AD) API AWS Azure Best Practices BGP Certificates Cisco Cisco ACI Cisco ASA Cisco ASR Cisco Catalyst Cisco CLI Cisco ISE Cisco Nexus Cisco Stack DDOS Design DNS EIGRP F5 F5-LTM HTTP(S) IP Addressing and Subnetting macOS Microsoft IIS Microsoft SQL Microsoft Windows OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare
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Troubleshooting Palo Alto Microsoft Windows F5 Cisco
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