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Cisco Bug: CSCvs74558 - IPV6 Traffic causing Broadcast Storm on port with hwidx 3

Last Modified

Aug 29, 2020

Products (1)

  • Cisco ASR 920 Series Aggregation Services Router

Known Affected Releases

15.6(2)SP 16.9.3

Description (partial)

Symptom:
IPV6 Traffic causing Broadcast Storm on port with hwidx 3

Conditions:
1) Have ASR920 which is having port with hwidx value of 3. Port 0/0/4 will be having hwidx 3 in case of Striker O and port 0/0/3 incase of Striker I.
2) Have storm control Broadcast storm control configured in the port which is having hwidx of 3, and have the port in UP state.
3) Have any EFP or BDI configured on any other port and send IPV6 Traffic matching the same VLAN of this EFP/BDI from IXIA to this port.
4) Observing the the Broadcast Storm under sh storm-control for port having hwidx of 3, eventhough the traffic is not related to this port.
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