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Cisco Bug: CSCus55004 - Kernel Panic with pre-auth ACL and external web-redirect

Last Modified

May 21, 2018

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases

7.4(130.0) 7.6(120.0) 8.0(100.0) 8.0(110.0)

Description (partial)

A WLC may crash and reboot with no crashfile written, and no messages seen on the console.
A panic crash file may be written.

In some cases, especially on 2504 controllers, the controller may be unable to boot ("Boot loader failed verification"), and will have to be replaced - see CSCus97021.

Web Auth with pre-authentication ACL and External Web-Redirect.

Most frequently seen on a 2504, but may be encountered on a 5508.
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