Cisco Bug: CSCvh66758 - Big buffer exhaustion due to FNF
Nov 11, 2019
- Cisco IOS
Known Affected Releases
Symptom: On a VSS setup, there is a memory exhaustion due to "NF SE export" process in the processor pool This process is responsible for creating new buffers for sending FNF packets The suspect so far, is that the problem is due to a buffer leak: Big buffers, 1536 bytes (total 12633, permanent 1000, peak 12633 @ 00:00:05): 65 in free list (64 min, 1000 max allowed) 64604797 hits, 3876 misses, 0 trims, 11633 created Statistics for the Big pool Caller pc : 0x21136748 count: 12717 Conditions: Flexible netflow on a VSS setup. Exact condition/trigger is unknown so far There is a suspect where the "show flow monitor <>" subcommands might cause additional leaks.
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