Fundamentals

802.11 – Reason Codes and Status Codes

802.11 – Reason Codes and Status Codes  The 802.11 standard section 8.4 comments on reason codes and status codes. I’ve used these myself when troubleshooting frame captures. These codes provide insight to Wi-Fi related problems like stations connecting and disconnecting. Lets dive in and see what the standard says about reason and status code …

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News

Top 10 Sessions From Interop Las Vegas 2015

Interop Las Vegas 2015 was a blast! Few conferences bring together a rich mix of vendors, products, solutions and attendees all in one place. I was particularly interested in Cisco’s Hyperlocation, which just so happen to win Best of Interop Award – 2015 Mobility. Interop was a gathering of old friends …

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News

Cisco 8.1 and Access Point Compatibility

If you’re like me you may have hundreds or even thousands of Cisco 1131, 1242 and 1250 access points deployed in your wireless network today. Take special care and attention to the information below. A number of legacy access point models will no longer be supported past 8.0 code. This …

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News

CSCui69732: Platinum 802.1p tagging defaulted to 5 after upgrade to 7.5.102.0

Upgrading to 7.5.102.0 — Watch your 802.1p markings .. CSCui69732: Platinum 802.1p tagging defaulted to 5 after upgrade to 7.5.102.0 Symptom: Platinum 802.1p tagging changed to 5 Conditions: Platinum 802.1p tagged at 6 and upgrading to 7.5.102.0 Workaround: Disable networks and change tagging back to 6

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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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Security

End-of-Sale and End-of-Life Announcement for the Cisco Identity Services Engine 33×5 Hardware Appliances

http://www.cisco.com/en/US/prod/collateral/vpndevc/ps5712/ps11640/eol_C51-728424.html Cisco announces the end-of-sale and end-of life dates for the Cisco Identity Services Engine. The last day to order the affected product(s) is December 24, 2013. Customers with active service contracts will continue to receive support from the Cisco Technical Assistance Center (TAC) as shown in Table 1 of …

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Tools

Cisco Client Debug – 802.11 Association Status Code

When you enable client debug you can be hit with a ton of information. One of the things I look at is the 802.11 association status code. The status code is very telling. It can provide information about your client and if there is a connection issue. Another tool to …

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News

End-Of-Sale And End-Of-Life Announcement For The Cisco Aironet 1260 Series

  http://www.cisco.com/en/US/prod/collateral/wireless/ps5678/ps10980/end_of_life_notice_c51-727739.html Cisco announces the end-of-sale and end-of-life dates for the Cisco Aironet 1260 Series. The last day to order the affected product(s) is October 7, 2013. Customers with active service contracts will continue to receive support from the Cisco Technical Assistance Center (TAC) as shown in Table 1 of the …

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