Connecting to Cloud Providers High-Level Network Architecture

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More than 70 percent of Internet Traffic passes through Data Center Alley in Loudoun County. Ashburn, Virginia has the largest data center footprint in the world. It makes sense to lease or collocate your data center here. Almost all cloud providers (Azure, Amazon AWS, Google, Office 365, etc.) have presence in these data centers. Being collocated locally can take advantage of direct connect services to any of these Cloud providers. Ashburn Consulting can help you design a Hybrid Cloud On Prem ...

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VTC Video Conferencing Rules for Palo Alto Firewall

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If you have a Cisco Telepresence VCS Expressway or a legacy Tandberg Border Controller or even an MCU behind a Palo Alto Firewall there are several Application based objects needed to be in your Outbound and Inbound Security policy.

  • rtp-base
  • rtcp
  • h.225
  • h.245
  • h.323
  • sip
  • rtp

Normally the logs will show which ports are being denied by the clean up rule. Depending on the type of Firewall, you might need to create an object with a certain udp range. There are also cases where a VTC endpoint is ...

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Cisco TMS Telepresence Management Suite Upgrade & Install from 13.0 to 14.6

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If you have an old version of TMS (13.0) running on an unsupported Windows Server 2003, here is a very extensive procedure to upgrade it to TMS version 13.2, do Database recovery, restore and conversion, and migration to a new Windows 2012 R2 system running on SQL Server Express 2012. The final step was to upgrade to the TMS version 14.6.

First big issue I ran into was the 2008 SQL Express server “SA” password provided by the previous SQL Administrator ...

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MPLS L3 VPN White Paper

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Enterprise Network Design White Paper
For Metropolitan and Campus Networks –
MPLS L3VPNs 
Robert Shields
Sr. Network Engineer, CCIE # 12096 
January 2012 
Enterprise Network Challenges of Today and Beyond 
Enterprise network and security managers continue to see their responsibilities increase within their respective IT organizations as applications and services continue to migrate to IP as a fundamental means of communication. These applications and services include telephony, video, wireless and mobility clients, storage area networks, etc., ...

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Cisco XR IOS Code Upgrade

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Summary of XR IOS Code Upgrade:

1.Download the correct image tarball from cisco.com. The image cannot be used as-is. The CCO image tarball for Release 4.3.4 (Cisco recommended) must be downloaded first and only relevant Packages Installation Emvelope (PIEs) or Software Maintenance Upgrade (SMUs) must be taken for use on the router.

2. Before upgrading to the new code, all the mandatory SMUs required to be active in the current release must be installed. For example we are upgrading from code 4.2.3 to 4.3.4 and ...

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Windows Media conversion to stream live to USTREAM

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Our Client owns old Vbrick Encoders that can only encode Windows Media video format. This is a big problem if the video stream is being offered for Public viewing to support a wide variety of devices (Tablets, IPADs, IPhones, Android devices, Macs, PCs, etc.). To avoid purchasing at least two new $10k H.264 encoders and the need to build a new media server, we are going to use 3 types of software running from a PC or laptop. Make sure ...

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