Guest

Preview Tool

Cisco Bug: CSCuo67770 - Race condition in IPv6 Neighbor Discovery

Last Modified

Mar 17, 2020

Products (6)

  • Cisco IOS
  • Cisco Catalyst 4948E-F Ethernet Switch
  • Cisco Catalyst 4948E Ethernet Switch
  • Cisco Catalyst 4500 Supervisor Engine 6L-E
  • Cisco Catalyst 4500 Supervisor Engine 6-E
  • Cisco Catalyst 4900M Switch

Known Affected Releases

15.0(2)SG

Description (partial)

Symptom:
IOS or IOS-XE may crash due to a race condition while generating IPv6 router advertisements.

Conditions:
IPv6 enabled and IPv6 router solicitations received on an interface and that interface state changes (HSRP flap, configuration change, ...).
Bug details contain sensitive information and therefore require a Cisco.com 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.