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Cisco Bug: CSCvs50868 - Fed memory leak in 16.9.X related to Netflow

Last Modified

Sep 01, 2020

Products (1)

  • Cisco Catalyst 9300 Series Switches

Known Affected Releases


Description (partial)

The output of "show processes memory platform sorted" indicates the RSS counter is increasing over time for 'fed main event' process.

FED tracelogs might contain errors from fnf, for example:

{fed_F0-0}{1}: [asic_fnf] [15754]: UUID: 0, ra: 0, TID: 0 (ERR): AFD-INFRA:FNF Failed to read flow table
{fed_F0-0}{1}: [asic_nfl] [15754]: UUID: 0, ra: 0, TID: 0 (ERR): AFD-INFRA:NFL curr_fmask_entry is NULL! Mask-Id 2 Lut 1, asic 0

{fed_F0-0}{1}: [fnf] [15756]: UUID: 0, ra: 0, TID: 0 (ERR): verify sync failed. flow_hdl=0x126 context=0x7f4e64669228 is_wdavc_flow=0 wdavc_flow_handle=0x0
{fed_F0-0}{1}: [fnf] [15756]: UUID: 0, ra: 0, TID: 0 (ERR): ad_read: failed flow verify. flow_hdl 0x126 context=0x7f4e64669228

Catalyst 9000 switch with the same flow monitor configured on a port-channel and regular interface.
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