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Cisco Bug: CSCuq39249 - SUP2T 15.1(2)SY - CFC line card may crash upon ACL modify/add

Last Modified

Jan 24, 2017

Products (4)

  • Cisco IOS
  • Cisco Catalyst 6500 Series Virtual Switching Supervisor Engine 720 with 10GE uplinks
  • Cisco Catalyst 6500 Series Supervisor Engine 2T
  • Cisco Catalyst 6500 Series Supervisor Engine 720 / MSFC3

Known Affected Releases

15.1(2)SY

Description (partial)

Symptom:
WS-X67xx CFC line cards in a Catalyst 6500 SUP2T based system running 15.1(2)SY1 software may crash upon adding/modifying ACL configuration.

Conditions:
The problem has been observed in release 15.1(2)SY1 and was triggered with the addition of ip access-list in the configuration such as the below:

ip access-list extended <ACL_NAME>
  10 permit ip addrgroup <GROUP_NAME> addrgroup <GROUP_NAME>
  20 deny tcp addrgroup <GROUP_NAME> any eq www
  30 permit ip addrgroup <GROUP_NAME> any
ip access-list extended <ACL_NAME>
  10 permit ip addrgroup <GROUP_NAME> addrgroup <GROUP_NAME>
  20 deny tcp addrgroup <GROUP_NAME> any eq www
  30 permit ip addrgroup <GROUP_NAME> any
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Bug Details Include

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