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Cisco Bug: CSCta17933 - UDP Checksum corrupted for UDP Encapsulated ESP packets after NAT in PXF

Last Modified

Feb 15, 2018

Products (1)

  • Cisco 7300 Series Routers

Known Affected Releases

12.2(31)SB8 12.2(33)SB5

Description (partial)

Symptoms: When NAT is done on UDP encapsulated ESP packets, the UDP checksum 
of the packets is incorrect.

Conditions: This is observed on a Cisco 7300 router with PXF (NSE-100 or NSE-
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