Monthly Archives: November 2012

MPLS Case Study: Why Route Summarization is not Recommended on Loopbacks in an MPLS Environment – Network

This article focuses on the impact of route summarization summary on loopback addresses in an MPLS environment and what work-arounds are available to overcome problems caused by the route summarization performed by ABR (Area Border Router). LSR (Label Switch Router) … Continue reading

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VMware: End of Availability of ESX 4.x – Time to Upgrade.

VMware Announces End of Availability Date for VMware vSphere® ESX hypervisor 4.x and VMware Management Assistant Versions 1 and 4http://www.firewall.cx/news/161-Software/921-vmware-esx4-eoa.html

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How to Recover & Create “Show Desktop” Icon Function on Windows 7, Vista, XP and 2000

Learn how to create or restore the Windows Show Desktop icon (Show Desktop.scf)to hide, restore applications and easily access your desktop. Covers Windows XP, Vista, Windows 7, Windows 2000 and Windows 2003 Serverhttp://www.firewall.cx/microsoft-knowledgebase/windows-2000-server/920-windows-show-desktop.html

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How to Enable & Disable Phone Ports on Cisco ATA 186/188 for CallManager – CallManager Express

This article shows how to enable or disable the first or second phone port on the Cisco SCCP ATA 186/188 telephony adaptor. Learn how to identify Cisco SCCP/SIP ATA phone ports on CUCME (CME), plus the parameters-changes required to disable … Continue reading

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How to Upgrade – Update Cisco ATA186 / 188 Firmware and Reset to Factory Default

This article shows how to easily upgrade the firmware on a Cisco ATA 186 – 188. Instructions to reset to factory defaults is also included. You’ll also find a brief introduction on the Cisco ATA and differences between the two … Continue reading

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Book Review: The Official VMware VCP5 Certification Guide

Our latest review comes from VMware press: The Official VCP5 Certification Guide. Learn how this cert guide can help you earn your VCP5 certification and master VMware’s vSphere 5 virtualization environment.http://www.firewall.cx/site-news/916-book-review-vcp5.html

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Risk Management for Cisco Unified Communication Solutions – Countermeasures & Mitigation

Understand the security risks of Cisco Unified Communication environments. We cover risk-threat definitions, type of threats, risk of impact, Mitigating Risks, Risk Management Specifics for Cisco UC and much more.http://www.firewall.cx/cisco-technical-knowledgebase/cisco-voice/914-cisco-unified-com-risk-management.html

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