DesignFundamentals

RX-SOP Whitepaper

Recently Sam and I went out to Cisco’s Richfield, Ohio office to work in their test lab on the AP2700 looking at high density client usage and RX-SOP. Our high density whitepaper which was previously published can be found over at http://nsashow.com/AP2700. Last week alongside the introduction of the WLC …

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DesignFundamentals

802.11 Frames – An Advanced Overview With George

NSA Show’s own guest blogger George Stefanick will be hosting an advanced overview of 802.11 frames on Tuesday, August 26th. Register at the following link: https://supportforums.cisco.com/event/12258736/80211-frames-depth-overview

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Fundamentals

Cisco Appliance Light Path Diagnostics #ISE #NCS #PRIME

My Cisco appliance was showing the amber color exclamation point. While I did the typical show and tech commands I could not find anything wrong with the box. I checked the Light Path Diagnostics on the appliance, it quickly pointed out a power supply problem.   Figure 1-3 Light Path Diagnostics Panel …

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DesignFundamentals

WISM1 To WISM2 Migration

I recently migrated our WISM1 solution to WISM2s.  I want to share my experience and project gotcha list to help you with your installation. SUP 720 Firmware A few things need to be addressed prior to your WISM 2 migration.  You will need to make sure your SUPS are at …

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DesignFundamentalsNews

What Does The RTD-1-ADDR_FLAP System Message Mean?

I ran into this very issue many moons ago. Good post by Vinay!  By: Vinay Sharma – Cisco  https://supportforums.cisco.com/docs/DOC-2246     Introduction What does the RTD-1-ADDR_FLAP system message mean? Resolution The RTD-1-ADDR_FLAP error message indicates that a MAC address is moving consistently between different ports. This error message is only applicable on the …

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DesignFundamentals

Cisco WLC Multicast – Ask The Expert Video

Did you miss the Cisco WLC Multicast Ask The Expert Session? After reviewing the video it covers an overview of topics on basic muticast-multicast, multicast-unicast and broadcast forwarding. It includes both wired and wireless config examples.   Video https://supportforums.cisco.com/videos/5147   Slides https://supportforums.cisco.com/docs/DOC-28753

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FundamentalsPodcasts

E14 – Getting Certified

On this episode of the No Strings Attached Show Blake Krone and Samuel Clements chat with Sean Rynearson and Tom Holingsworth aka NetworkingNerd about certifications and what it takes to pass the test. We talked about various resources used to help study and gain the knowledge needed. We also talk …

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DesignFundamentalsNews

Converting a LDPE controller image to non LDPE

From Cisco’s Kangupta Many times we see instances where the RMA controller is shipped with an LDPE image.  (Cisco Controller) >show sysinfo Manufacturer’s Name………………………… Cisco Systems Inc.Product Name………………………………. Cisco Controller Product Version……………………………. 7.0.116.0 Bootloader Version…………………………. 1.0.1 Field Recovery Image Version………………… 6.0.182.0 Firmware Version…………………………… FPGA 1.3, Env 1.6, USB console 1.27 Build Type………………………………… …

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