Introduction To Windows Server 2012 R2 Virtualization - Understanding Hyper-V Concepts, Virtual Deployment Infrastructure (VDI) and more

This article covers Windows Hyper-V concepts, Hypervisor types, Virtual components (switches, CPU, RAM), Deployment models, server consolidation, Network Virtualization, VDI and much more.

http://goo.gl/L3B6K5

New Features in Windows Server 2012 R2 - Why Upgrade to Windows 2012

Discover the new Windows 2012 R2 features and components. Windows Server Manager, PowerShell 3.0, Hyper-V 3, Hyper-V Replica, SMB 3, Dynamic Access Control (DAC), Storage Space, Direct Access, Data Deduplication, IPAM, ReFS and much more

http://goo.gl/OYFwHk

Network Security Product Review: GFI LanGuard 2014 - The Ultimate Tool for Admins and IT Managers

Discover how GFI's LanGuard 2014 introduces new unique features that make it the ultimate network security scanning, monitoring and patching tool. LanGuard 2014 adds support for Android, Linux, and much more.

http://goo.gl/DVADEq

Windows 2012 Server Foundation, Essential, Standard & Datacenter Edition Differences, Licensing & Supported Features.

Discover the differences between Windows Server 2012 Foundation, Essential, Standard & Datacenter editions, supported features, licensing models, which support Hyper-V virtualization roles and much more.

http://goo.gl/OtFCA6

The Most Dangerous Websites On The Internet & How To Effectively Protect Your Enterprise From Them

This popular whitepaper covers the top website categories that put businesses at risk, the pros and cons of each category and implications when users visit sites they shouldn’t. Learn the importance of web content filtering and solutions that can provide effective protection to the whole enterprise.

http://goo.gl/2Zc3Qc

How To Fix Cisco Configuration Professional (CCP) 'Java Memory Heap Size Less Than 256MB' error & Java Runtime Environment Settings

This article explains how to overcome the Java “Memory Heap Size Less than 256MB” error in CCP IOS IPS Configuration screen & other. We also show the correct Java runtime parameters (Java v1.6 update 17) and provide the correct Java installation files as a free download.

http://goo.gl/Dy7R7r

How To Fix Cisco Configuration Professional (CCP) Display/Window View Problem - Internet Explorer 10 Not Showing Correctly

This article tackles Cisco’s Configuration Professional (Cisco CCP) display problem on IE10 browsers, where CCP runs only in one third of the browser’s window. This IE display issue is easily fixed by configuring IE compatibility view settings and making some minor tweaks. Cisco Configuration Professional also available as a free download!

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-routers/980-cisco-configuration-professional-display-problem.html

Basic & Advanced Catalyst Layer 3 Switch Configuration: Creating VLANs, InterVLAN Routing (SVI), VLAN Security, VTP, Trunk Link, NTP Configuration. IOS License Requirements for SVI Routing

Learn how to setup VLANs, InterVLAN routing (ip routing) via Switch virtual interfaces (SVI) , VLAN Security, Virtual Trunk Protocol (VTP) server, configure trunks links, NTP Time Sync, understand IOS licensing for IP routing on 3560G, 3560E, 3560-X, 3750, 3750E, 3750-X, 4500 and 6500 series Layer3 Catalyst switches, plus much more.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/973-cisco-switches-basic-advanced-configuration.html

SDN and OpenFlow for Beginners with Hands-on Labs

This new eBook, from author Vivek Tiwari, is a technical overview of Software Defined Networks (SDN), its meaning, concepts, working principle and, finally, a glimpse of its future. In a broad sense, this book is a brief glimpse of the author's journey to becoming familiarised with SDN, its impact and its future.

http://www.firewall.cx/news/162-Education/972-book-review-sdn-networks-openflow.html

Introducing The Cisco Technical Support Mobile App (Apple iOS, Android Smartphones). Open, Monitor & Manage TAC Cases, RMAs, Products, Podcasts & More!

Firewall.cx takes an in-depth look at Cisco's popular Technical Support Mobile App. Key Topics include: Open, Monitor & Manage TAC Support cases, issue RMAs,obtain Cisco product information,free podcasts, videos and much more. Our 27 screenshots and detailed review ensures full coverage of this great app!

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-services-tech/971-cisco-tech-support-app.html

Measuring Network Performance: Test Network Throughput, Delay-Latency, Jitter, Transfer Speeds, Packet loss & Reliability. Packet Generation Using Iperf / Jperf

Read our complete guide on measuring LAN, WAN & WiFi network link performance, throughput, Jitter and network latency. Discover your network’s optimum TCP window-size, measure network delay, UDP/TCP packet loss, router and real VPN throughput, WAN connections, Wireless performance between different access points, backbone switch performance and other network devices. Test Cisco against HP or Juniper network equipment performance and discover the real differences.

http://www.firewall.cx/networking-topics/general-networking/970-network-performance-testing.html

Understanding How to Fight Cybercrime

This white paper examines the rising security threats that put small and medium businesses at risk. It also highlights important security considerations that SMBs should be aware of, what to look for in new security solutions, and how to go about fighting cybercrime.

http://www.firewall.cx/general-topics-reviews/whitepapers/969-how-to-fight-cybercrime.html

Configuring Windows 7 To Provide Secure Wireless Access Point Services to Wi-Fi Clients - Turn Windows into an Access Point

This article shows how to turn a Windows 7 Laptop, Netbook, PC into a secure Access Point, allowing other wireless devices (laptops, smartphones, iphones etc) connect to the LAN network and Internet. Step-by-step instructions ensure easy setup and deployment. We also test Wi-Fi performance and compare it to that of a normal access point.

http://www.firewall.cx/microsoft-knowledgebase/windows-xp-7-8/968-windows-7-access-point.html

Firewall.cx Officially Extends The Cisco Online Support Community (CSC) Technical Knowledgebase!

Cisco's Online Support Community (CSC) and Firewall.cx team-up to bring our awarded articles to the global Cisco community. The CSC website will now include Firewall.cx's articles to help extend its knowledgebase and technical expert documents.

http://www.firewall.cx/site-news/966-firewallcx-cisco-support-collaboration.html

Free Webinar: Cisco Adaptive Security Appliance (ASA) Firewalls: Lifeline of Today’s Data Centers

Join the Cisco's Support Community Free Webinar and 2xCCIE expert Akhil Behl, to learn about the Cisco Adaptive Security Appliance (ASA) Firewall features, Cisco ASA next-generation firewall technology, Cisco ASA clustering, Cisco ASA web security and much more! Register and attend this unique Webinar for FREE!

http://www.firewall.cx/news/162-Education/965-cisco-akhil-webinar-asa-firewall.html

Cisco ASA5500 (5505, 5510, 5520, etc) Series Firewall Security Appliance Startup Configuration & Basic Concepts

This article covers ASA5505, 5510, 5520, 5540, 5550, 5580 Firewall Basic & intermediate setup. Topics include: IP addresses & Vlan config, interface security level, default & static routes, nat global statements, Firewall access-lists, object groups (tcp/udp), PAT, dhcp server, user authentication, HTTP (ASDM) & SSH Server setup, remote access, , rsa key generation and more.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-firewalls/964-cisco-asa5500-startup.html

Last Chance to Win Free Cisco Routers, Switches, Firewalls, Access Points, Free Cisco Press books, Free Gifts and much more!!!

This is your last chance to win Free Cisco Equipment, Cisco Press books and gifts at the Annual Cisco Press Cisco Live Sweepstakes! Read our news post to learn how to enter the Cisco Press Cisco Live Sweepstakes for free!

http://www.firewall.cx/news/149-Networking/960-ciscopress-giveaway-sweepstakes.html

Free Downloads: Latest Cisco Configuration Professional, Cisco Network Assistant and Cisco Anyconnect Secure Mobility Client

Download for free the latest versions of Cisco's Configuration Professional, Network Assistance and Anyconnect Secure Mobility Client. All are available for Windows, MacOS and Linux platforms. Visit the Firewall.cx software download section to access the software.

http://www.firewall.cx/site-news/963-downloads-cisco-tools-applications-update.html

Your CCNA Exam Success Strategy: The Non-Technical Guidebook for Routing & Switching

Read our review on the popular CCNA title by Double CCIEs Vivek and Dean: Your CCNA Exam Success Strategy: The Non-Technical Guidebook for Routing & Switching. Learn how this book can help any CCNA candidate conquer the CCNA Routing & Switching exam and why it shouldn't be missed!

http://www.firewall.cx/news/157-Certification/962-book-review-ccna-non-technical-guidebook.html

Book Review: Your CCNA Exam Success Strategy: The Non-Technical Guidebook for Routing & Switching

Read our review on the popular CCNA title by Double CCIEs Vivek and Dean: Your CCNA Exam Success Strategy: The Non-Technical Guidebook for Routing & Switching. Learn how this book can help any CCNA candidate conquer the CCNA Routing & Switching exam and why it shouldn't be missed!

http://www.firewall.cx/news/157-Certification/962-book-review-ccna-non-technical-guidebook.html

Introduction to Content Switching - Application & Virtual Server Load Balancing via Deep Packet Inspection

In this article, Alan Drury introduces Content Switching technology and explains how it's used to load balance application & virtual servers, with the help of our award-winning diagrams. Cisco’s CSM (Content Switching Module) and ACE 4710 (Application Control Engine) along with F5's LTM3600 modules are also referenced as examples, plus much more.

http://www.firewall.cx/networking-topics/general-networking/961-cisco-switches-content-switching.html

Understanding MPLS IP VPNs, Security Attacks and VPN Encryption

MPLS IP VPN. We explain what MPLS networks are and how they work. Learn about MPLS VPN networks, its implementation and security threats. This article also touches on ATM (DSL) IP VPN Networks.

http://www.firewall.cx/networking-topics/wan-technologies/821-mpls-ip-vpn-security.html

Win Free Cisco Equipment, Cisco Press books, Gifts and much more!!!

Win Free Cisco Equipment, Cisco Press books and gifts at the Annual Cisco Press Cisco Live Sweepstakes! Read our news post to learn how to enter the Cisco Press Cisco Live Sweepstakes for free!

http://www.firewall.cx/news/149-Networking/960-ciscopress-giveaway-sweepstakes.html

VLAN Security Tips - Best Practices by Firewall.cx

Our popular VLAN Security article provides guidelines and CLI commands (Catalyst Switches) aimed to increase the security of organization's VLAN infrastructure, conserve valuable bandwidth between links, plus much more. This article was also featured on a popular US Security-Technology magazine.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/818-cisco-switches-vlan-security.html

A Networked World: New IT Security Challenges

In this article, Arani takes us through a unique journey, into the world of network security and hacking incidents that made history. Learn how hackers managed to breach multimillion dollar firewalls & networks, using simple methods and tools. Read how they organize DoS attacks to bring down networks, methods to protect your network and much more.

http://www.firewall.cx/general-topics-reviews/security-articles/959-networked-world-new-security-challenges.html

Dynamic Network Address Translation - Discover Dynamic NAT's secrets

This article examines dynamic NAT and explains the concept. Learn how Dynamic NAT works and where it is used. Firewall.cx's unique examples and diagrams ensure you understand all there is about Dynamic NAT.

http://www.firewall.cx/networking-topics/network-address-translation-nat/231-nat-dynamic-part-1.html

Static Network Address Translation - Part 1

This article covers Static Network Address Translation. Diagrams and examples provided help explain what Static NAT is and how it operates within routers and firewalls

http://www.firewall.cx/networking-topics/network-address-translation-nat/229-nat-static-part-1.html

Interview: Kevin Wallace CCIEx2 #7945 (Routing/Switching and Voice) & CCSI (Instructor) #20061

Firewall.cx interviews CCIEx2 and Cisco Press Author, Kevin Wallace. We reveal how he managed to become one of the world's most popular CCIEs, which certification roadmap Cisco candidates should select depending on where they live, which training method is best for your certification and much more.

http://www.firewall.cx/cisco-technical-knowledgebase/ccie-experts/958-interview-kevin-wallace.html

Understanding The Network Address Translation Table

The Network Address Translation table. This article explains the NAT table and its functionality within a router,firewall and server. Understand how the NAT table works, the different NAT modes available and how these can be used to provide increased security for your network, but also expose it if used incorrectly.

http://www.firewall.cx/networking-topics/network-address-translation-nat/228-nat-table.html

Understanding Network Address Translation (NAT) Concepts

This article introduces the Network Address Translation (NAT)concept. Learn what Network Address Translation is, how it is used and the benefits it provides to networks, companies and workplaces of any size. Our unique award-wining network diagrams are used to help illustrate the operation and concept of NAT.

http://www.firewall.cx/networking-topics/network-address-translation-nat/227-nat-concepts.html

Need for Speed – The Data Tsunami & Advancements in Networking. From FastEthernet 100Mbps to Wireless 17.6Tbps!

Cisco's Double CCIE Vivek Tiwari talks about the advances made in Ethernet Technology these past years and examines possible surprises the future of networking might hold for us. An interesting article that shows there can never be enough speed when it comes to networking.

http://www.firewall.cx/networking-topics/general-networking/957-networking-accelerating-lan-wan-wifi-speeds.html

Secure CallManager Express Communications - Encrypted VoIP Sessions with SRTP and TLS

In this article Cisco's double CCIE and UC expert Akhil Behl shows how to securely configure CallManager Express communications system using voip encryption SRTP and TLS. Included are all necessary CLI commands to create certificate authorities, enable encryption and much more!

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-voice/956-cisco-voice-cme-secure-voip.html

Cisco & CompTIA Certification Offer - Save 60% on Certification Video Training For CCNA Security, CCNP Voice, CompTIA Network+ and Security+

Prepare for your Cisco and CompTIA exams with expert video training from LiveLessons with 60% discount offers. Limited time only!

http://www.firewall.cx/news/157-Certification/955-cisco-certification-training-offer.html

Tweet Chat with Cisco Double CCIE Expert Akhil Behl, May 7, 2013

Learn about Cisco Collaboration Security and Cisco UC Deployment at Cisco's Support Community Tweet Chat with CCIE and VoIP expert Akhil Behl.

http://www.firewall.cx/news/149-Networking/955-news-tweet-chat-with-cisco-ccie-expert-akhil-behl.html

Cisco Catalyst 4500 Series Zero-Downtime IOS Upgrade Process for Supervisor Engine 7-E, 7L-E, 6L-E and V-10GE Redundant Configurations

Learn to upgrade the Supervisor Engine IOS on Catalyst 4503-E, 4506-E, 4507R+E & 4510R+E. Perform Redundant Supervisor Engine IOS upgrade with zero service interruption (4507R/4510R Series only), force switchover to redundant Supervisor Engine and check status of your Supervisor Engines and line cards.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/952-cisco-switches-4500-supervisor-engine-ios-upgrade.html

Cisco Catalyst 4507R+E Layer 3 Installation: Redundant WS-X45-SUP7L-E Supervisor Engines & WS-X4648-RJ45V+E Line Cards

Experience the setup of a Cisco 4507R+E Catalyst switch with 21 real photos capturing redundant SUP7L-E Supervisor engines, WS-X4648-RJ45V+E - 48 port 10/100/1000 PoE line cards and dual 4200Watt power supplies. 21 pictures capture details of all components & highlights of the 4507R+E Catalyst switch.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/948-cisco-switches-4507re-ws-x45-sup7l-e-installation.html

Major Changes & Updates to the Cisco CCNA Exam

Cisco CCNA exam updates and major changes effective from 26th March 2013. Read our announcement to learn about Cisco's major changes to the CCNA certification path and exam availability.

http://www.firewall.cx/news/157-Certification/947-cisco-ccna-update.html

Interview: Vivek Tiwari CCIE #18616 (CCIE Routing and Switching and Service Provider)

Read our interview of author & double CCIE #18616 Vivek Tiwari. Vivek tells us about his exciting CCIE journey, daily routine at Cisco Systems, resources CCNA,CCNP,CCVP & CCIE candidates can use, what he thinks about Firewall.cx, plus a number of useful tips and guidelines for your certifications and work.

http://www.firewall.cx/cisco-technical-knowledgebase/ccie-experts/946-interview-ccie-vivek-tiwari.html

Comparing Cisco VPN Technologies – Policy Based vs Route Based VPNs

Understand the difference between Cisco Policy-Based and Route-Based VPNs. Learn which VPN technologies are supported on Cisco ASA Firewalls and IOS Routers. Site-to-Site VPN, Hub & spoke VPNs, Client remote access VPNs, are placed within the two VPN categories.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-services-tech/945-cisco-comparing-vpn-technologies.html

Unified Communications Components - Understanding Your True Unified Communications Needs

Understand your Unified Communications needs. Discover the foundational, basic and emerging UC components. Read about UC return on investment (ROI, Roll-out plan ability to adapt to changes and more.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-services-tech/938-cisco-unified-communications-components.html

Cisco Press Discounts - Valentine's Day Special - Save 40%!!

Massive Cisco Press Discounts - 40% off eBooks and Video Training material - includes CCNA Simulator!

http://www.firewall.cx/news/157-Certification/944-news-ciscopress-discounts.html

New Cisco Catalyst 3850 Series With Integrated Wireless LAN Controller (WLC)

Cisco Catalyst 3850 features and configurations. Integrated Wireless Controller, 1/10Gbit SPF/SPF+ Uplinks, Full PoE+, IPv4, IPv6 routing, QoS, PowerStack and StackWise Technology makes this product an ideal choice for most companies.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/943-cisco-switches-catalyst-3850.html

Cisco VPN Client & Windows 8 (32bit & 64Bit) - Reason 442: Failed To Enable Virtual Adaptor - How To Fix It

This article shows how make Cisco VPN Client work with Windows 8 32bit & 64bit. VPN Client (including 5.0.07.0440, 5.0.07.0410) fails to connect to VPN networks due to an incorrect Windows 8 registry entry for the Cisco VPN client. Learn what you need to change to get the Cisco VPN client to work on all Windows 8 Platforms.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-services-tech/942-cisco-vpn-client-windows8-fix.html

How to Restrict Cisco IOS Router VPN Client to Layer-4 (TCP, UDP) Services - Applying IP, TCP & UDP Access Lists

Configure and setup your Cisco VPN router to restrict IPSec VPN clients to specific IP addresses, networks, TCP or UDP ports & network services. Learn how to overcome Cisco IOS VPN group access list limitations (TCP/UDP Services) while giving you maximum control, flexibility and granularity over your Cisco IPSec VPN clients and groups.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-routers/941-cisco-router-vpn-client-acl.html

Configuring SPAN On Cisco Catalyst Switches - Monitor & Capture Network Traffic/Packets

Configure your Cisco switch to capture data/voip traffic by mirroring incoming – outgoing packets with SPAN on Catalyst 2940, 2950, 2955, 2960, 2970, 3550,3560, 3560−E, 3750 and 3750−E, 4507R Series Switches. Network monitoring via packet capturing-sniffing software, network analyser, IDS or IPS is possible using Cisco’s SPAN or RSPAN method covered extensively in this article. Understand SPAN Terminology.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/940-cisco-switches-span-monitoring.html

The New GFI EventsManager 2013 - Active Network and Server Monitoring

Network monitoring, server log data collecting, event viewer logs, IT infrastructure and operations monitoring just got easier with GFI's EventsManager 2013. Read here about the product's new exciting features.

http://www.firewall.cx/general-topics-reviews/hot-product-reviews/937-gfi-eventsmanager-2013-new-features.html

Configuring Cisco Site to Site IPSec VPN with Dynamic IP Endpoint Cisco Routers

Learn how to configure Site-to-Site IPSec VPN with Dynamic IP address endpoint Cisco routers. Learn to configure crypto maps, access-lists, Deny NAT for VPN tunnel, ISAKMP policies & key, IPSec Transform and more.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-routers/936-cisco-router-vpn-dynamic-endpoint.html

Cisco SPA525G / SPA525G2 User Guide Free Download

Free Cisco SPA525G SPA525G2 User setup and configuration guide. Configure the SPA525, network setup, firmware update - upgrade, bluetooth installation, wireless setup, calling, conference setup and more.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-voice/935-cisco-voice-spa525g-ug.html

Free Cisco IP Phone & ATA Firmware (SCCP & SIP) Download Section

Free Cisco IP Phone firmware download section. We offer free SCCP & SIP firmware for all Cisco IP Phones & Cisco ATA devices: 6901, 6911, 6921, 6945, 7902, 7905, 7906, 7910, 7911, 7912, 7915, 7920, 7940, 7945, 7960, 7970, 7975, 3905, 3911, ATA-186, ATA-187, ATA-188 and many more.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-voice/932-cisco-downloads-sccp-sip.html

IP Phone 7900 Series (7940, 7941, 7942, 7960, 7961, 7962, 7920) Factory Reset Procedure & Password Recovery

This article explains how to reset Cisco 7900 series IP phones, including 7940, 7941, 7942, 7960, 7961, 7962 & 7920 Wireless IP phone. Provided are easy-to-follow instructions explaining each step. We also provide free firmware download for all Cisco IP phones.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-voice/931-cisco-phone-79xx-factory-reset.html