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Cisco Bug: CSCsy97506 - All nat'ed multicast packets punted to software

Last Modified

Jan 31, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.2(33.5.24)SXH 12.2(33.5.39)SXH 12.4(20)T3 12.4(23a) 12.4(24.5.5)PIC1 12.4(24.6)PI11f 12.4(24.6)T8

Description (partial)


Case 1: All NAT multicast data packets are processed by software.

Case 2. Spurious memory access occurs.


Case 1. NAT with static port entry, or dynamic overload configuration. 

Case 2. Configure <CmdBold>ip nat dynamic nat<noCmdBold> rule with an undefined
NAT pool.
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