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

15.1(1)SY2.53

Description (partial)

Symptom:
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

Conditions:
- 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

View Bug Details in Bug Search Tool Login Required

Why Is Login Required?

Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

Full Description (including symptoms, conditions and workarounds)
Status
Severity
Known Fixed Releases
Related Community Discussions
Number of Related Support Cases

Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.

Learn More About Cisco Service Contracts