INTEL WIRELESS
Wired Stuff
WiFi Tablet Corner
My80211 White Papers (Coming Soon!)

Cisco Wireless Compatibility Matrix (Nov. 2011)

Podcasts / Videos

My80211 Videos

Cisco: 802 11 frames with Cisco VIP George Stefanick

Fluke Networks: Minimize Wi Fi Network Downtime

Aruba: Packets never lie: An in-depth overview of 802.11 frames

ATM15 Ten Talk “Wifi drivers and devices”

Houston Methodist Innovates with Wireless Technology

Bruce Frederick Antennas (1/2)

 

Bruce Frederick dB,dBi,dBd (2/2)

Cisco AP Group Nugget

Social Links
Revolution WiFi Capacity Planner

Anchor / Office Extends Ports

 

Peek Inside Cisco's Gear

See inside Cisco's latest wireless gear!

2.4 GHz Channel Overlap

EXAMPLE 1  

EXAMPLE 2

EXAMPLE 3  

CWSP RELEASE DATE 2/08/2010
  • CWSP Certified Wireless Security Professional Official Study Guide: Exam PW0-204
    CWSP Certified Wireless Security Professional Official Study Guide: Exam PW0-204
    by David D. Coleman, David A. Westcott, Bryan E. Harkins, Shawn M. Jackman

    Shawn Jackman (Jack) CWNE#54 is a personal friend and has been a mentor to me for many years.  I've had the pleasure and opportunity to work with Jack for 4 years. Jack is a great teacher who takes complex 802.11 standards and breaks them down so almost anyone can understand the concept at hand. I'm excited for you brother. Great job and job well done! Put another notch in the belt!

IEEE 802.11a/g/n Reference Sheet

 

LWAPP QoS Packet Tagging

 

 

Interference Types

BLUETOOTH
 

Microwave Oven
 

Cordless Phone

JAMMER!
 

Entries from December 1, 2012 - December 31, 2012

Friday
Dec212012

bug: CSCud65237 - IMPACTING ASCOM 802.11N HANDSET

I received 2 emails from colleagues who were hit by this bug while using the Ascom i62. 

Apparently there is a BA ack issue, as noted in the bug. Its not clear if this is only impacting Ascom as the bug id references 802.11n handsets. I asked for frame captures and will post the result when I have them. 

 

CSCud65237 Bug Details

Encryption key corruption on BA ack with wrong ID
Symptom:
Voice disruption after roaming

Conditions:
Third party 11n phone
This is triggered by wrong TID sent on Block ACK by client. AP is incorrectly handling the invalid frame

Workaround:
roam to another AP



Status Status 
Open 
(More) 
Severity Severity 
2 - severe 

Last Modified Last Modified 
In Last 3 Days 

Product Product 
Cisco IOS software 

Technology Technology 
Wireless, LAN (WLAN) 

1st Found-In 1st Found-in 
7.0(230.0)
7.4(1.54) 


Component(s) Component 
ap-ampdu 

Wednesday
Dec192012

End-of-Sale and End-of-Life Announcement for the Cisco Aironet 1520 Series

Title End-of-Sale and End-of-Life Announcement for the Cisco Aironet 1520 Series
Description Cisco announces the end-of-sale and end-of-life dates for the Cisco Aironet 1520 Series. The last day to order the affected product(s) is March 30, 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 EoL bulletin. Table 1 describes the end-of-life milestones, definitions, and dates for the affected product(s). Table 2 lists the product part numbers affected by this announcement. For customers with active and paid service and support contracts, support will be available under the terms and conditions of customers' service contract.
Date

18-DEC-2012

 

 

NOTE: March 30, 2013: The last date that Cisco Engineering may release any final software maintenance releases or bug fixes. After this date, Cisco Engineering will no longer develop, repair, maintain, or test the product software.

Tuesday
Dec182012

End-of-Sale and End-of-Life Announcement for the Cisco Unified Wireless Network Software Release 6.0

Title: End-of-Sale and End-of-Life Announcement for the Cisco Unified Wireless Network Software Release 6.0


Url: http://www.cisco.com/en/US/prod/collateral/wireless/ps5755/ps6301/ps7305/end_of_life_notice_c51-722058.html


Description: Cisco announces the end-of-sale and end-of-life dates for the Cisco Unified Wireless Network Software Release 6.0. The last day to order the affected product(s) is May 31, 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 EoL bulletin. Table 1 describes the end-of-life milestones, definitions, and dates for the affected product(s). Table 2 lists the product part numbers affected by this announcement. For customers with active and paid service and support contracts, support will be available until the termination date of the contract, even if this date exceeds the Last Date of Support shown in Table 1.
Date: 2012-11-30 15:28:30.0

Thursday
Dec132012

end-of-Sale and End-of-Life Announcement for the Cisco Wireless Controller Software for ISM 300 and SRE 700, 710, 900, and 910

Title: End-of-Sale and End-of-Life Announcement for the Cisco Wireless Controller Software for ISM 300 and SRE 700, 710, 900, and 910

Url: http://www.cisco.com/en/US/prod/collateral/modules/ps2706/end_of_life_notice_c51-722050.html

 Description: Cisco announces the end-of-sale and end-of-life dates for the Cisco Wireless Controller Software for ISM 300 and SRE 700, 710, 900, and 910. The last day to order the affected product(s) is May 31, 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 EoL bulletin. Table 1 describes the end-of-life milestones, definitions, and dates for the affected product(s). Table 2 lists the product part numbers affected by this announcement. For customers with active and paid service and support contracts, support will be available until the termination date of the contract, even if this date exceeds the Last Date of Support shown in Table 1.

Date: 2012-11-30 15:25:15.0