Tag: sagar dhawan

Ticket#7 - Multicast Video Freezes in Conference Room – Troubleshoot IGMP and PIM [CCNP ENTERPRISE]

Ticket#7 – Multicast Video Freezes in Conference Room – Troubleshoot IGMP and PIM [CCNP ENTERPRISE]

Problem Summary In a conference room, video multicast stream intermittently...

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Ticket#5 - OSPF Neighbor Stuck in INIT/2WAY – How to Diagnose and Resolve [CCNP ENTERPRISE]

Ticket#5 – OSPF Neighbor Stuck in INIT/2WAY – How to Diagnose and Resolve [CCNP ENTERPRISE]

Problem Summary An enterprise network reported intermittent OSPF adjacency issues...

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Ticket#4 - BGP Route Not Installing in RIB – Path Attributes and Fix [CCNP Enterprise]

Ticket#4 – BGP Route Not Installing in RIB – Path Attributes and Fix [CCNP Enterprise]

Problem Summary A network engineer noticed that a BGP route...

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Ticket#3 - VLAN Mismatch: End Users Unable to Reach Gateway – A Real Cisco Fix [CCNP ENTERPRISE]

Ticket#3 – VLAN Mismatch: End Users Unable to Reach Gateway – A Real Cisco Fix [CCNP ENTERPRISE]

Problem Summary Multiple end-users on the 3rd floor raised a...

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Ticket#2 - Server Not Reachable – Tracing Next-Hop Failure and Fix [CCNP ENTERPRISE

Ticket#2 – Server Not Reachable – Tracing Next-Hop Failure and Fix [CCNP ENTERPRISE]

Problem Summary A ticket was raised from the IT Helpdesk...

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Ticket#1-Enterprise Slowness: High CPU on Core Switch – Step-by-Step Troubleshooting [CCNP ENTERPRISE]

Ticket#1-Enterprise Slowness: High CPU on Core Switch – Step-by-Step Troubleshooting [CCNP ENTERPRISE]

Problem Summary A major enterprise customer reported intermittent slowness across...

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The Ultimate IPv6 Troubleshooting Guide: Tools, Tips, and Labs [CCNP ENTERPRISE]

The Ultimate IPv6 Troubleshooting Guide: Tools, Tips, and Labs [CCNP ENTERPRISE]

If you’ve ever been stuck with “Why isn’t my IPv6...

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Dual Stack vs Tunneling: Which IPv6 Transition Strategy is Right for You? [CCNP ENTERPRISE]

Dual Stack vs Tunneling: Which IPv6 Transition Strategy is Right for You? [CCNP ENTERPRISE]

If you’re reading this, you’re probably at that point in...

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VPN 0 and VPN 512 in Cisco SD-WAN: Backbone & Management Explained[CCNP ENTERPRISE]

VPN 0 and VPN 512 in Cisco SD-WAN: Backbone & Management Explained [CCNP ENTERPRISE]

Today diving deep into a very important, yet often misunderstood...

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Performance Routing (PfR) Basics: Optimize Traffic Like a Pro [CCNP ENTERPRISE] networkjourney

Performance Routing (PfR) Basics: Optimize Traffic Like a Pro [CCNP ENTERPRISE]

Today’s article, we’ll dive into one of the most powerful...

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