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Cisco Bug: CSCte78230 - DLSw Ethernet Redundancy and IPV6 will not work together

Last Modified

Jan 29, 2017

Products (6)

  • Cisco IOS
  • Cisco Catalyst 6500 Series Virtual Switching Supervisor Engine 720 with 10GE uplinks
  • Cisco ME 6524-GS Ethernet Switch
  • Cisco Catalyst 6500 Series Supervisor Engine 32 / MSFC2A
  • Cisco ME 6524-GT Ethernet Switch
  • Cisco Catalyst 6500 Series Supervisor Engine 720 / MSFC3

Known Affected Releases


Description (partial)

Symptom:After adding DLSW Ethernet Redundnacy to an IPV6 interface, th enext time the interface is shut / no shut, IPV6 no longer functions

Conditions: DLSW ER and IPV6 configured on the same interface or SVI 
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