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Cisco Bug: CSCun65049 - 'no ip nat service nbss' has no impact withTCP port 139 traffic on Sup2T

Last Modified

Jan 31, 2017

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases


Description (partial)

when traffic with tcp port 139 is being used as source or destination port traffic is being forwarded in software even though netflow entry is installed

- PAT is configured.  
- sup2t only.  Earlier supervisor generations are not affected.
- "no ip nat service nbss" is configured.
- Traffic with source/destination port as 139 is sent through the switch
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  • Status
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