EOS/EOL for Cisco 4100 Series Wireless LAN Controllers
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Updated:September 28, 2005
PRODUCT BULLETIN NO. 3126
Cisco Systems® announces the end-of-sale and end-of-life dates for Cisco® 4100 Series wireless LAN controllers. The last day to order the affected products is March 30, 2006. Customers with active service contracts will continue to receive support from the Cisco Technical Assistance Center (TAC) until March 30, 2011.
Table 1 describes the end-of-life milestones, definitions, and dates for the affected products. Table 2 lists the product part numbers affected by this announcement.
Customers are encouraged to migrate to Cisco 4400 Series wireless LAN controllers, which are the next generation of wireless LAN controllers. Customers should strongly consider Cisco 4400 Series wireless LAN controllers for any open orders or new orders for Cisco 4100 Series wireless LAN controllers. Table 3 provides relevant information for migrating to the replacement products. Information about the replacement products can be found at
Table 1. End-of-Life Milestones and Dates for the Cisco 4100 Series Wireless LAN Controllers
End-of-Life Announcement Date
The date the document that announces the end of sale and end of life of a product is distributed to the general public.
September 30, 2005
The last date to order the product through Cisco point-of-sale mechanisms. The product is no longer for sale after this date.
March 30, 2006
Last Shipment Date
The last-possible ship date that can be requested of Cisco and/or its contract manufacturers. Actual ship date is dependent on lead time.
June 30, 2006
End of Software Maintenance Releases Date
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.
March 30, 2007
End of Routine Failure Analysis Date
The last-possible date a routine failure analysis may be performed to determine the cause of product failure or defect.
March 30, 2007
End of New Service Attachment Date
For equipment and software that is not covered by a service-and-support contract, this is the last date to order a new service-and-support contract or add the equipment and/or software to an existing service-and-support contract.
March 30, 2007
End of Service Contract Renewal Date
The last date to extend or renew a service contract for the product.
September 30, 2010
Last Date of Support
The last date to receive service and support for the product. After this date, all support services for the product are unavailable, and the product becomes obsolete.
March 30, 2011
Table 2. Product Part Numbers Affected by This Announcement
End-of-Sale Product Part Number
Replacement Product Part Number
Replacement Product Description
Cisco 4112 Wireless LAN Controller for up to 12 Cisco Aironet® 1000 Series access points
Cisco 4402 Wireless LAN Controller for up to 12 lightweight access points
Cisco 4124 Wireless LAN Controller for up to 24 Cisco Aironet 1000 Series access points
Cisco 4402 Wireless LAN Controller for up to 25 lightweight access points
Cisco 4136 Wireless LAN Controller for up to 36 Cisco Aironet 1000 Series access points
Cisco 4402 Wireless LAN Controller for up to 50 lightweight access points
Cisco 4100 Series wireless LAN Controller VPN/Enhanced Security Module
Cisco 4400 Series Wireless LAN Controller VPN Termination Module (planned availability in Dec 2005)
PRODUCT MIGRATION OPTIONS
The recommended replacements for Cisco 4100 Series wireless LAN controllers are Cisco 4400 Series wireless LAN controllers (Table 3). Cisco 4400 Series wireless LAN controllers provide all of the same capabilities as the Cisco 4100 Series, plus the following capabilities:
• Next-generation platform with higher performance and expansion capacity
• Models available that support up to 100 access points
• Ability to support lightweight versions of Cisco Aironet access points
Note-only Cisco Aironet 1000 Series access points are supported
Ability To Support Lightweight Versions of Cisco Aironet Access Points
One 1000BASE-SX (one active, one standby)
4402: Two 1000BASE-X SFP
4404: Four 1000BASE-X SFP
Redundant Power Option
Customers can use the Cisco Technology Migration Plan (TMP) to trade in products and receive credit toward the purchase of new Cisco equipment. For more information about the Cisco TMP, visit
http://www.cisco.com/go/tradein/. The Cisco TMP application requires all users to have a Cisco.com user ID.