Kerry CorderoKISS IT Design Principle - Human Error Prevention
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Routing & Switching

Cisco Error Disabled Ports

=====Verify port status: show int status show interfaces Gi1/0/1 status...
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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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Security

Cisco ASA VPN Timeouts

There are two settings I’d like to write about and those vpn-idle-timeout and vpn-session-timeout. You’ll make changes to both for...
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Data CenterRouting & Switching

Cisco BGP AWS Direct Configuration with Community

Below I’m going to go over a simple BGP configuration that’s used with AWS Direct. You need to get the...
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Data Center

Cisco ACI Finding Hardware Model (Spine, Leaf, and APIC)

fnvread command...
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Routing & Switching

Adding a new Cisco Fex – Basic Config

fex 101 pinning max-links 1 description "FEX0101" fex 102 pinning max-links 1 description "FEX0102" interface port-channel101 switchport mode fex-fabric fex...
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Routing & Switching

Cisco SSH Basic Config

service password-encryption username {NAME} privilege 15 secret {PASSWORD} ip domain-name {DOMAIN} ip ssh version 2 crypto key generate rsa 2048...
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Data CenterRouting & Switching

Cisco NX-OS/IOS Configuration Basics Comparison

Cisco NXOS and IOS are two different operating systems used on different Cisco devices. NXOS is used on Cisco’s Nexus...
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Data CenterRouting & Switching

Cisco ACI CLI Commands Cheat Sheet

Cisco Application Centric Infrastructure CLI Commands (APIC, Leaf/Spine) Clustering User Commands <controller> – shows the current cluster size and state of...
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CloudRouting & Switching

AWS “Allowed Prefixes” BGP Routing with More Specific Route

Scenario: We have a subnet configured in the “Allowed prefixes,” a /16. You can’t change the size of a subnet...
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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
    • RouteAgg
    • IP Calculator
    • 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 Cisco Stack 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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