Kerry CorderoPractical Network Engineering Notes
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Cisco Nexus

Routing & Switching

Policy and Procedure – Upgrading Nexus 9000 NX-OS Operating System with Minimal Downtime

Upgrading Nexus 9000 NX-OS Operating System with Minimal Downtime Policy Statement This policy establishes the procedure for upgrading the Nexus...
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Routing & Switching

Basic Understanding of Over-Subscription

Over-subscription in IT, specifically in network design, refers to the practice of selling or provisioning more resources than are physically...
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Data CenterRouting & Switching

Cisco Nexus Show Commands for High CPU Usage

I ran these on our Nexus 7K switches....
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Routing & Switching

Cisco and VLAN 1

In Cisco switches, VLAN 1 refers to the default VLAN that is created automatically when the switch is initialized or...
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Data Center

Type-2 consistency status = failed

Here’s something you can come accross. When you do a “sh vpc“, you’ll notice that your Type-2 consistency status is...
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Data Center

The Great Debate: Cisco FEX Single-Homed vs Dual-Homed Design

In the world of networking, choices often boil down to a trade-off between redundancy and complexity. One such debate revolves...
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Security

Migration Plan – Cisco Nexus SVIs to Palo Alto Firewalls

Step 1: Network Audit Begin with a thorough network audit. Document all VLANs and associated Switch Virtual Interfaces (SVIs) currently...
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Routing & Switching

Best Practice – Cisco Nexus VPC Auto-Recovery

Cisco’s Virtual Port Channel (vPC) technology has been a cornerstone in modern data center network designs, offering device-level redundancy. While...
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Routing & Switching

Cisco TACACS+ Configs for ACS (Nexus, ASR_IOS-XE, IOS, ASA, Wireless)

Below are some examples pulled from a working configuration. Enjoy!...
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Data Center

Cisco Nexus 9000 Series Switch FEX Support

Cisco Nexus 9000 Series FEX Support...
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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
  • Tools
    • Car Calculator
    • IP Calculator
    • RouteAgg
    • Subnet Breakout
    • VSLM
  • Links
  • Contact

Categories

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

Tags

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