Tag: ccnp

Ticket#8 - VOIP Choppy Audio – DSCP Marking Mismatch Fixed [QoS Real World] [CCNP ENTERPRISE]

Ticket#8 – VOIP Choppy Audio – DSCP Marking Mismatch Fixed [QoS Real World] [CCNP ENTERPRISE]

Problem Summary Users across multiple floors reported choppy VoIP audio...

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Ticket#6 - DHCP Not Working on Access Layer – Troubleshoot Snooping and Relay [CCNP ENTERPRISE]

Ticket#6 – DHCP Not Working on Access Layer – Troubleshoot Snooping and Relay [CCNP ENTERPRISE]

Problem Summary In a mid-sized enterprise campus network, multiple users...

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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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Your First Step into IPv6: Address Types, Labs, CLI & Real-World Use Cases [CCNP ENTERPRISE]

Your First Step into IPv6: Address Types, Labs, CLI & Real-World Use Cases [CCNP Enterprise]

When I started teaching networking years ago, IPv4 was king....

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Mastering EtherChannel Load Balancing Methods: A Complete Guide with CLI & EVE-NG Lab [CCNP ENTERPRISE]

Mastering EtherChannel Load Balancing Methods: A Complete Guide with CLI & EVE-NG Lab [CCNP ENTERPRISE]

we’re diving into one of the most common — yet...

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Don’t Let Your Router Crash! Master Control Plane Policing (CoPP) with Labs & CLI [CCNP ENTERPRISE]

Don’t Let Your Router Crash! Master Control Plane Policing (CoPP) with Labs & CLI [CCNP ENTERPRISE]

Ever had one of those moments where your device just...

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Still Using SNMPv2? Here’s Why You Must Switch to SNMPv3 Today! [CCNP ENTERPRISE]

Still Using SNMPv2? Here’s Why You Must Switch to SNMPv3 Today! [CCNP ENTERPRISE]

Let me tell you a quick story before diving into...

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AAA Authentication with TACACS+ and RADIUS – Step-by-Step Cisco Guide [CCNP ENTERPRISE]

AAA Authentication with TACACS+ and RADIUS – Step-by-Step Cisco Guide [CCNP ENTERPRISE]

Let me take you back to my early network engineering...

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