maheshmitta2525 Articles

Dynamic Access Policies (DAP) in Cisco ASA: Configuration Guide

In the evolving landscape of enterprise network security, static access controls are no longer sufficient to meet the demands of flexible and secure remote connectivity. That’s where Dynamic Access Policies..

Private VLANs and Security in Enterprise Switching

In today’s enterprise environments, maintaining strong network segmentation is crucial to uphold security, performance, and compliance. One powerful yet often underused Layer 2 security feature is Private VLANs (PVLANs). These..

Device Administration with TACACS+ Using Cisco ISE

In today’s enterprise networks, ensuring secure administrative access to infrastructure devices is non-negotiable. Organizations are increasingly adopting centralized authentication and authorization mechanisms to improve control and visibility. Cisco ISE (Identity..

Segmentation Strategies: VLANs, VRFs, and SGTs

As enterprise networks grow more complex, the need for intelligent segmentation becomes essential. Effective segmentation reduces the attack surface, enhances policy control, and improves overall security posture. Professionals preparing for..

How to Perform Root Cause Analysis for Network Failures

In today’s digital-first enterprise environments, network uptime is directly tied to productivity, user experience, and revenue. Yet, even the most robust systems are vulnerable to outages or disruptions. When something..

Understanding the Role of SSL VPNs in CCNP Security

In today’s interconnected world, securing remote access to corporate networks is more important than ever. With the rise of mobile workforces, businesses need reliable and secure ways for employees to..

ISIS Protocol in Modern Enterprise Networks

Enterprise networks are growing more complex, and the demand for highly scalable and reliable routing protocols is stronger than ever. One such protocol—Intermediate System to Intermediate System (IS-IS)—has quietly become..

Step-by-Step Guide to Creating a Custom CCIE Security Topology

When preparing for the CCIE Security lab exam, one of the most crucial steps is building a custom topology that mirrors real-world scenarios. A well-structured lab setup not only enhances..

Understanding IPsec, SSL, and TLS in the Context of CCIE Security

As cyber threats grow in complexity, network security professionals must master encryption technologies that protect data in transit. Three of the most fundamental protocols in this domain—IPsec, SSL, and TLS—play..

Cisco ISE Threat-Centric NAC with Firepower and AMP Integration

In today’s rapidly evolving cybersecurity landscape, managing network access and responding to threats in real-time are crucial tasks for IT and network security professionals. One of the most powerful solutions..

Firewall Migration Strategies: ASA to FTD Without Downtime

As cybersecurity threats become increasingly sophisticated, the need for advanced firewall solutions has never been more critical. Organizations that rely on Cisco ASA firewalls are steadily transitioning to Cisco Firepower..

PortChannel vs EtherChannel: Deployment in Large Campus Networks

In large enterprise networks, high availability, bandwidth efficiency, and simplified management are crucial. Two essential technologies often used to aggregate multiple links between switches or routers are PortChannel and EtherChannel...

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