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BGP

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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Routing & Switching

Route Leaking in VRF Lite – Enabling Communication between VRFs

Virtual Routing and Forwarding (VRF) Lite is a technology used to achieve routing separation in IP networks without MPLS support....
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Routing & Switching

Race Condition: IGP, BGP, and the Routing Information Base (RIB)

Situation I’ve noticed that Cisco NX-OS prioritizes a locally redistributed route (from OSPF to BGP) over a route learned from...
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Routing & Switching

Untangling Soft Reconfiguration and Dynamic Inbound Soft Reset (RFC 2918) in BGP

In BGP routing, the terms soft reconfiguration and dynamic inbound soft reset often get conflated, but they refer to distinct...
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Routing & Switching

The Power of “No”: Understanding the “no bgp default ipv4-unicast” Command in BGP Configuration

When it comes to Border Gateway Protocol (BGP), there’s a myriad of configuration options available to network engineers. One command...
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Routing & Switching

Understanding the BGP Finite State Machine: From IDLE to ESTABLISHED

The Border Gateway Protocol (BGP) is the backbone routing protocol of the internet, allowing different autonomous systems (AS) to exchange...
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Load BalancingRouting & Switching

Navigating the F5 TMOS Shell: Introduction to the IMI Shell and Basic BGP Commands

Today, we’ll closely examine the F5 TMOS shell, focusing on how to use the Integrated Multiservice Interface (IMI) shell and...
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Routing & Switching

Understanding BGP Routing Tables: Adj-RIBs-In, Loc-RIB, and Adj-RIBs-Out

The Border Gateway Protocol (BGP) is one of the most essential and complex protocols in network routing. Despite its complexity,...
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Routing & Switching

From Peer-Groups to Update-Groups: A Look at BGP Efficiency

Border Gateway Protocol (BGP) plays a pivotal role in the networking world, governing how routers share information about the paths...
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Routing & Switching

BGP Troubleshooting

Main Troubleshooting Flowchart Troubleshoot BGP Neighbor Establishment Troubleshoot Routes Missing from the Routing Table Troubleshoot Multihoming Inbound Troubleshoot BGP Route...
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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 HTTP(S) IP Addressing and Subnetting Logging 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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