Blog

Blog

nj-blog

OSPF Protocol: in-depth Overview & Video Tutorials

Introduction About OSPF Protocol OSPF (Open Shortest Path First) is...

[Day 7] Cisco ISE Mastery Training: Configuring Certificates (Self-Signed & CA-Signed)

[Day 7] Cisco ISE Mastery Training: Configuring Certificates (Self-Signed & CA-Signed)

Introduction TLS certificates are the backbone of secure ISE operations...

[Day 6] Cisco ISE Mastery Training: Initial Setup Wizard & GUI Tour

[Day 6] Cisco ISE Mastery Training: Initial Setup Wizard & GUI Tour

Introduction You’ve deployed the ISE appliance — now what? The...

[Day 5] Cisco ISE Mastery Training: Installing Cisco ISE in VMware ESXi / EVENG

[Day 5] Cisco ISE Mastery Training: Installing Cisco ISE in VMware ESXi / EVENG

Introduction This session shows you how to deploy Cisco Identity...

[Day 9] Cisco ISE Mastery Training: Creating Internal Users & Groups

Day 9 – Cisco ISE Mastery Training: Creating Internal Users & Groups

Introduction Internal users and groups in Cisco ISE let you...

[Day 4] Cisco ISE Mastery Training: Lab Topology Design for ISE Practice

[Day 4] Cisco ISE Mastery Training: Lab Topology Design for ISE Practice

Introduction In today’s enterprise networks, controlling who and what connects...

[Day#1b PyATS Series] Step-by-Step: Install pyATS in PyCharm (Ubuntu) [Python for Network Engineer]

[Day#1b PyATS Series] Step-by-Step: Install pyATS in PyCharm (Ubuntu) [Python for Network Engineer]

If you’re exploring Python for Network Engineers, mastering tools like...

Ticket#10 - NAT Overload Failure: Why Users Couldn't Access the Internet – A Real Fix [CCNP ENTERPRISE]

Ticket#10 – NAT Overload Failure: Why Users Couldn’t Access the Internet – A Real Fix [CCNP ENTERPRISE]

Problem Summary In a mid-sized enterprise, users across VLANs suddenly...

Ticket#9 - WAN Flap Detection: DMVPN Phase 2 Tunnel Up/Down Issue Fixed [CCNP Enterprise]

Ticket#9 – WAN Flap Detection: DMVPN Phase 2 Tunnel Up/Down Issue Fixed [CCNP Enterprise]

Problem Summary The enterprise monitoring tool detected flapping tunnels between...