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Routing & Switching

Routing & Switching

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Cisco and HP Terminology Differences

I’ve been working with HP Enclosures and Cisco devices a long time now and these always get confusing when trying...
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Routing & Switching

Routing Protocols Comparison Chart

Routing & Switching

Basic Understanding of Over-Subscription

Oversubscribing is basically when you go from many ports to fewer ports. So for example, a switch has 48 ports...
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Data CenterRouting & Switching

Cisco Nexus Port-Side Exhaust vs Port-Side Intake

This circumstance is most common with Cisco Nexus Series switches, where the switch’s hot air exhaust can be on the...
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Routing & Switching

Cisco Live Preparing for 400G

Below is a good slide deck from Cisco Live:...
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Routing & SwitchingSecurity

HTTP2 and ALPN

When talking about ALPN, the thing to remember is that ALPN is a TLS extension negotiation protocol.  It’s a negotiator. ...
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Data CenterRouting & Switching

Cisco – Min and Max Fiber Signals dBm

You’ll want to know what a good Fiber dBm is when troubleshooting networks. Always look at the Data Sheets. I’ve...
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CloudData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersWireless

Purchasing Hardware Software

First let me start by saying this is something handled by your accounts payable department (hopefully you have one or...
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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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Categories

  • Cloud
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  • 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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