Preview Tool

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

Last Modified

Jan 24, 2019

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.

Related Community Discussions

<key>CSCus55004</key> - WLC2504 8.0MR1 Kernel Panic with pre-auth ACL and external web-redirect
Hi,   Is this bug exclusively for the 2504 8.0? I'm getting a similar behavior whenever I change an pre-auth ACL and external web-redirect in a 5508 8.0.110.   I've attached the show-techsupport right after a reboot.   Cheers, Vasco Costa
Latest activity: Mar 02, 2015
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.