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LATEST ARTICLES
OpManager - Network Monitoring & Management
ELEVATE YOUR NETWORK MANAGEMENT: MAXIMIZING EFFICIENCY WITH MANAGEENGINE NETWORK
CONFIGURATION MANAGER
As technology evolves, so do our networks. Today's sprawling network
infrastructures are intricate ecosystems, demanding more from IT teams than ever
before. Configuration management, compliance enforcement, and firmware &
software updates are just a few of the growing requirements that strain manual
processes.
While manual network management might have sufficed in simpler times, it hinders
scalability in complex environments. It can also introduce security
vulnerabilities and leave your network prone to human error.
To navigate this new reality, organizations need a better approach—they need to
leverage a network configuration management tool.
Now, let's explore how a network configuration management tool can help
revolutionize your modern network, unlocking a new era of scalability and
security.
Key Topics:
* Manual Configuration Challenges: Leveraging Configuration Management Tools
* Scalability Hurdles
* Backup Maintenance
* Configuration Tracking
* Firmware Vulnerability Management
* Adherence to Compliance Standards
* Streamlining Mundane Tasks
* Report Maintenance
* Selecting the Right Configuration Management Tool for your Network
* Vendor Versatility
* Backups
* Change Management
* Compliance Management
* Vulnerability Management
* Automation
* Reporting
* Device Onboarding
* Network Configuration Manager: Your All-In-One Configuration Management Tool
* Summary
Related articles:
* Maximizing Network Security: A Deep Dive into OpManager's Firewall Analyzer
Add-on
* Boost Network Security and Efficiency with Intelligent Notifications and
Automated Fault Handling. Unified IT Operations Management Tool
* Ensuring Compliance and Business Continuity in a Hybrid Work Environment
* Dealing with Security Audit Challenges: Discovering vulnerabilities,
unauthorized access, optimize network security & reporting
MANUAL CONFIGURATION MANAGEMENT CHALLENGES: WHY A CONFIGURATION MANAGEMENT TOOL
IS A GAME-CHANGER
Continue Reading >
Cisco Wireless
COMPLETE GUIDE: HOW TO DOWNLOAD & DEPLOY THE CISCO 9800-CL VIRTUAL WIRELESS
CONTROLLER ON VMWARE ESXI
This article covers the deployment of the Cisco WLC 9800-CL cloud-based
controller on the VMware ESXi platform. We explain the CPU, RAM and storage
requirements, provide URLs to easily download and install the WLC controller
using the OVA template, select the appropriate WLC 9800 deployment size (small,
medium, large) and help you understand and configure the different WLC VM
network interfaces.
Key Topics:
* Introduction to the Cisco 9800 WLC Virtual Controller
* Cisco 9800 WLC Virtual Controller VMware ESXi Requirements
* Cisco 9800 WLC Virtual Controller Deployment Models
* How to Download the Cisco 9800-CL Software
* Installing the Cisco 9800 WLC Virtual Controller in VMware ESXi
* Critical VMware Network Information on the Cisco 9800-CL – vNICs, vSwitch
etc.
* Configure a VMware Port Group to Allow Trunking or Single VLAN
* Summary
INTRODUCTION TO THE CISCO 9800 WLC VIRTUAL CONTROLLER
Cisco released their next-generation 9800 series Wireless Controllers back in
2018, also offering a cloud-based version that supports VMware ESXi, Microsoft
Hyper-V, Amazon AWS, Microsoft Azure, Google Cloud Platform (GCP), Ubuntu/Red
Hat Enterprise Linux using KVM, and Cisco NFVIS environments.
The virtualized version of the WLC controller offers great flexibility for
organizations while at the same time provides considerable savings thanks to its
zero-price tag. Customers are able to freely download and deploy the appliance,
with the only restriction being the AP licenses that need to be purchased as an
ongoing subscription.
Virtualization offers additional benefits which include:
* Hardware independence. Not hardware involved. Lead times for the
hardware-based controllers can sometimes exceed 6-9 months depending on the
market demand and other circumstances.
* Decreased cost. The VM option means organizations are saving 6-figure amounts
for every 9800-40 or greater model they require. If you’re considering
introducing High-Availability (HA), then the Cloud-based controller becomes a
much cheaper architecture. Additional savings are added since Smartnet
contracts for the hardware are not required.
* Better utilization of virtualization infrastructure. Utilizing the existing
virtualization platform increases its ROI.
* Greater Deployment Flexibility. VMs allow you to easily move them from one
physical server to another, even between different datacenters or physical
locations.
* Increased Redundancy & Backups. Backing up a VM is an easy and simple
process. You can even use specialized free VM Backup tools for this process.
CISCO 9800 WLC VIRTUAL CONTROLLER VMWARE ESXI REQUIREMENTS
Deploying the WLC 9800-CL in an ESXi environment is, as you’ll discover, a
simple process. Cisco provides a single OVA file package, roughly around 1.25GB
in size:
Continue Reading >
OpManager - Network Monitoring & Management
MAXIMIZING NETWORK SECURITY: A DEEP DIVE INTO OPMANAGER'S FIREWALL ANALYZER
ADD-ON
In the rapidly evolving landscape of cyber threats, network security has never
been more crucial. With the frequency and sophistication of cyberattacks
escalating, organizations are under constant pressure to safeguard their
networks. According to Sophos' The State of Ransomware 2023 report, 66% of
organizations were hit by ransomware in 2023, and this trend is only going to
keep growing with time. Additionally, Top10VPN estimates that VPN-related
vulnerabilities increased by 47% in 2023. These statistics highlight the urgent
need for robust network security solutions.
TRADITIONAL NETWORK MONITORING: A GROWING INADEQUACY
Historically, network monitoring solutions have focused on tracking performance
metrics, bandwidth usage, and basic security alerts. While these tools have been
effective to an extent, the current cyberthreat landscape demands more advanced
capabilities. Traditional monitoring is often reactive, identifying issues after
they occur, which is no longer sufficient. As cyberthreats become more complex,
there's a clear need for proactive, comprehensive security measures.
INTRODUCING MANAGEENGINE FIREWALL ANALYZER
To address these growing challenges, a network security management tool like
ManageEngine Firewall Analyzer is indispensable. Firewall Analyzer is a powerful
tool designed to enhance firewall management and bolster network security. It
provides detailed insights into firewall activity, monitors traffic, detects
anomalies, and ensures compliance with security policies. By integrating
seamlessly with ManageEngine OpManager, Firewall Analyzer serves as a
comprehensive security management solution.
HOW FIREWALL ANALYZER BOLSTERS OPMANAGER
Firewall Analyzer is available as both a standalone product and an add-on for
OpManager. When combined, these tools offer a powerful synergy that
significantly enhances network security. Here is how:
* Comprehensive Traffic Analysis: Firewall Analyzer provides detailed
visibility into your network traffic. It analyzes inbound and outbound
traffic to detect unusual patterns, potential threats, and bandwidth usage.
This detailed analysis is crucial for preventing security breaches and
optimizing network performance.
Continue Reading >
Palo Alto Networks
THE ULTIMATE GUIDE TO PALO ALTO NETWORKS SOFTWARE NGFW (FLEX) CREDITS. HOW NGFW
CREDITS WORK, RENEWAL CONSIDERATIONS, ONLINE CREDIT ESTIMATOR, DEPLOYMENT
PROFILES
Discover the ins and outs of using Palo Alto Networks’ Software NGFW (Flex)
credits to seamlessly renew your cloud-based or virtualized software NGFW
devices! Dive into this exciting guide where we unravel the mysteries of
software NGFW credits, show you how they're allocated to your deployment
profile, and walk you through the renewal and verification process.
Learn to calculate your required NGFW credits with the online Credit Estimator
and much more. Get ready to master your NGFW credits and keep your network
security top-notch!
Key Topics:
* Grasping the Basics of Software NGFW (Flex) Credits
* Estimating Your NGFW Credit Needs with the Credit Estimator
* Renewing Your Deployment Profile with NGFW Credits
* Summary
GRASPING THE BASICS OF SOFTWARE NGFW (FLEX) CREDITS
Palo Alto Networks’ Cloud-based (Azure, AWS, GCP) and virtualized (ESXi,
Hyper-V, KVM) deployments, aka software NGFW devices, are licensed using
Software NGFW credits (Flex Credits). When deploying a software NGFW device, you
are required to purchase the correct amount of NGFW credits to allow the
deployment, licensing and operation of the device. The amount of NGFW credits
required, depend on the specifications of your NGFW device which include:
* Number and type (VM-Series or CN-Series) of firewalls deployed.
* Number of vCPUs per firewall.
* Subscriptions e.g Threat Prevention, URL Filtering, Wildfire etc.
* Management Options e.g Panorama Management, Panorama Log Collector etc.
* Support Options e.g Premium or Platinum support.
NGFW credits are subscription-based, meaning they expire 12 or 36 months after
purchase (depending on your contract), regardless of how many credits you use.
For example, if you purchase 100 NGFW credits 12-month subscription and use 80
NGFW credits for your deployment, the remaining 20 NGFW credits will be
available for consumption, but expire at the end of the contract.
It's crucial to purchase the right amount of NGFW credits to minimize any that
go unused.
ESTIMATING YOUR NGFW CREDIT NEEDS WITH THE CREDIT ESTIMATOR
Continue Reading >
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Palo Alto Networks
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SD-WAN - SASE:
Security Service Edge (SSE)
SECURITY SERVICE EDGE (SSE) LIMITATIONS & DISADVANTAGES. PROTECTING ALL TRAFFIC,
USERS, APPS, AND SERVICES WITH 360-DEGREE SSE
This article explores the Security Service Edge (SSE) portion of Secure Access
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SASE & SD-WAN Networks
CONFIGURING A SASE UNIFIED NETWORK: DATA CENTERS, REMOTE SITES, VPN USERS, AND
MORE
This article explores the need for Secure Access Service Edge (SASE) in today’s
organizations. We show how one of the most advanced SASE platforms ...
SASE & SD-WAN Networks
CONVERGED SASE BACKBONE – HOW LEADING SASE PROVIDER, CATO NETWORKS, REDUCED
JITTER/LATENCY AND PACKET LOSS BY A FACTOR OF 13!
Global connectivity is top of mind for many IT teams at organizations of all
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MPLS VS. SD-WAN VS. INTERNET VS. CLOUD NETWORK. CONNECTIVITY, OPTIMIZATION AND
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The Wide Area Network (WAN) is the backbone of the business. It ties together
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VIRTUAL LAN NETWORKS:
VLAN Networks
DYNAMIC VLANS
Dynamic VLANs were introduced to grant the flexibility and complexity(!) that
Static VLANs did not provide. Dynamic VLANs are quite rare because of...
VLAN Networks
VLANS - IEEE 802.1Q TRUNK LINK PROTOCOL ANALYSIS
While the VLAN Tagging article briefly covered the IEEE 802.1q protocol this
article will continue building upon it by further analyzing the IEEE 8...
VLAN Networks
COMPARING TRADITIONAL FLAT & VLAN NETWORKS
Designing and building a network is not a simple job. VLANs are no exception to
this rule, in fact they require a more sophisticated approach becau...
VLAN Networks
INTERVLAN ROUTING - ROUTING BETWEEN VLAN NETWORKS
This article deals with the popular topic of InterVLAN routing, which is used to
allow routing & communication between VLAN networks. Our artic...
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IP ROUTING:
Routing
DISTANCE VECTOR ROUTING PROTOCOLS
Distance Vector routing protocols use frequent broadcasts (255.255.255.255 or
FF:FF:FF:FF) of their entire routing table every 30 sec. on all their...
Routing
INTRODUCTION TO ROUTING PROTOCOLS
Distance Vector, Link State RIP, IGRP, EIGRP, OSPF Routing protocols were
created for routers. These protocols have been designed to allow the e...
Routing
OSPF - PART 3: OSPF ADJACENCY & NEIGHBOR FORMING PROCESS. OSPF HELLO MESSAGES,
OSPF DATABASE UPDATES VIA LINK STATE REQUESTS (LSR & LSU)
This is the thrid article of our 6-part OSPF series (see below) that describes
how OSPF routers perform neighbor relationship and adjacency. We’ll ...
Routing
LINK STATE ROUTING PROTOCOLS
Link State routing protocols do not view networks in terms of adjacent routers
and hop counts, but they build a comprehensive view of the overall n...
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Cisco Routers
CISCO ROUTER MODES
One of the greatest perhaps features of Cisco routers is that most commands used
in the IOS software they run on, are identical across multiple pla...
Cisco Firewalls
CONVERTING CISCO FIREPOWER FROM PLATFORM MODE TO APPLIANCE MODE. FULL ASA BACKUP
WITH ASDM
This article explains how to configure a Cisco Firepower 2100 series device to
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Cisco Switches
INSTALLATION AND SETUP OF CISCO SG500-52P - 500 SERIES STACKABLE MANAGED
SWITCHES
The SG500 series Cisco switches are the next step up from the already popular
SG300 Layer-3 switches. Cisco introduced the SG Small Business series...
Cisco Wireless
WIRELESS (WIFI) WEP WPA WPA2 KEY GENERATOR
The Firewall.cx Wireless LAN Key Generator will allow the generation of a WEP or
WPA ASCII based encryption key and will provide the equivalent ...
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