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/31 – Using 31-Bit Prefixes on IPv4 Point-to-Point Links

This all comes down to IP Addressing efficiency. This is from the RFC3021:...
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Routing & Switching

Administrative Distances

Default Distance Value Table This table lists the administrative distance default values of the protocols that Cisco supports:...
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityVOIPWireless

Always be on the Lookout for Product Updates/Changes

What I mean by this, is keep an eye out for emails, alerts within the product, etc… for updates....
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Routing & SwitchingVOIP

Bandwidth Calculations for QOS Codecs

It is 16 Kbps for a G729 packet and 64 Kbps for G711. With overhead it’s 26.4 Kbps for G729...
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Routing & Switching

BFD – Bidirectional Forwarding Detection

BFD is a network protocol for detecting faults between two routers or switches that are linked together by a connection....
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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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CloudRouting & SwitchingSecurity

Akamai Prolexic Routed DDOS Protection

So what is Akamai prolexic routed DDOS protection? Prolexic Routed is a simple and effective approach for businesses to secure...
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Data CenterLoad BalancingRouting & Switching

ARP vs GARP

I’ve discussed traditional ARP in the past, in which one node requests the MAC address of another node. There’s also...
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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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Routing & Switching

BGP 101

#PEERS Internal BGP (iBGP) peers and external BGP (eBGP) peers are the two types of peers used by BGP. BGP...
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Categories

  • Cloud
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  • Data Center
  • Laptops & Desktops
  • Load Balancing
  • Routing & Switching
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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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