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Cisco Bug: CSCuj51621 - Egress traffic drop on L3 Port-channel after 2nd switchover

Last Modified

Jan 29, 2017

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

15.1(1)IB273.109 15.1(1)IB273.165 15.1(1)IB273.175

Description (partial)

Symptom:
When performance-monitoring policy is applied on the egress of a Instant Access (FEX) host port channel or on any egress interface of VSS chassis, monitoring stops working after the first or second stateful switchover (SSO). Also some times traffic flow between the ports also gets affected.

Conditions:
This happens on a Sup2T VSS setup on with performance-monitoring policy on the egress of any layer 3 interface and also on the egress of a Instant Access (FEX) host port-channel.
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