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Cisco Bug: CSCuq76020 - RSP2: IPv6 Multicast packets with Hoplimit=0 not dropped

Last Modified

Jan 30, 2017

Products (1)

  • Cisco ASR 900 Series Aggregation Services Routers

Known Affected Releases

15.5(1)S

Description (partial)

Symptom:
Multicast IP packets with "Hop Limit" value 0 were processed and forwarded. Observed unexpected traffic, this may be a potential DOS.

Conditions:
Hop Limit value of 0 was decremented and forwarded with Hop Limit value 255.
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