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Cisco Bug: CSCsy83830 - IOS-RLB crashes while deleting the username sticky

Last Modified

Jan 30, 2017

Products (17)

  • Cisco IOS
  • Cisco Products
  • Cisco Catalyst 6500 Series Virtual Switching Supervisor Engine 720 with 10GE uplinks
  • Cisco Catalyst 6500 Supervisor Engine 32 PISA
  • Cisco 10720 Router
  • Cisco Catalyst 6500 Series Supervisor Engine 2
  • Cisco 7600 Series Supervisor Engine 2 with Multilayer Switch Feature Card
  • Cisco Catalyst 6000 Series Multilayer Switch Feature Card 3 (MSFC3)
  • Cisco Catalyst 6513 Switch
  • Cisco Catalyst 6500 Series Supervisor Engine 32 / MSFC2A
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Known Affected Releases

12.2(18)SXF16 12.2SXF

Description (partial)

Symptoms: Router crashes when we send multiple access packets for same username
when configured for RADIUS Load Balancing (RLB).
Conditions: Occurs with the following topology


Client sends multiple access retry packets to server and router crashes after a
period of time. This issue will be seen in cases where multiple access requests
are seen for the same username, and 60 seconds expire since the arrival of the
first of such access requests, before an accounting start for the same username
is seen.
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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