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Cisco Bug: CSCuo76042 - Huge buffers with high hits due multicast packets

Last Modified

May 08, 2020

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

15.1(2)SY2.1 15.1(2)SY2.10 15.1(2)SY2.11 15.1(2)SY2.12 15.1(2)SY2.13 15.1(2)SY2.14 15.1(2)SY2.15 15.1(2)SY2.16 15.1(2)SY2.17 15.1(2)SY2.18 15.1(2)SY2.19 15.1(2)SY2.2 15.1(2)SY2.20 15.1(2)SY2.21 15.1(2)SY2.22 15.1(2)SY2.23 15.1(2)SY2.24 15.1(2)SY2.25 15.1(2)SY2.26 15.1(2)SY2.27 15.1(2)SY2.28 15.1(2)SY2.29 15.1(2)SY2.3 15.1(2)SY2.30 15.1(2)SY2.31 15.1(2)SY2.32 15.1(2)SY2.33 15.1(2)SY2.34 15.1(2)SY2.35 15.1(2)SY2.36 15.1(2)SY2.37 15.1(2)SY2.38 15.1(2)SY2.39 15.1(2)SY2.4 15.1(2)SY2.41 15.1(2)SY2.42 15.1(2)SY2.5 15.1(2)SY2.6 15.1(2)SY2.7 15.1(2)SY2.8 15.1(2)SY2.9

Description (partial)

Symptom:
A relatively high number of hits in the Huge Buffer pool when there is not such traffic. A dump of this buffers will show packets with multiple source addresses, a destination ip addreess of 224.0.0.251 and some configuration of the device in its content.

Conditions:
Unknown
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