Cisco Bug: CSCvs28556 - TCP-NAT translations in stuck state after longevity test.
Oct 06, 2020
- Cisco Nexus 9000 Series Switches
Known Affected Releases
Symptom: Under scale scenario with continuous creation & deletion of TCP NAT translations over a long period where the number of NAT translations keep exceeding the max translations possible in hardware with atomic update configured ("hardware access-list update atomic" - with make before break programming of NAT translation hardware TCAM entries) some NAT translations may be stuck in stale state in software DB and in hardware ACL TCAM. Conditions: Scale scenario with continuous creation & deletion of TCP NAT translations over a long period where the number of NAT translations to be setup keep exceeding the max translations possible with atomic update ("hardware access-list update atomic") configured -> which is 50% of the (NAT TCAM region size - TCP NAT region size).
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)
- Known Fixed Releases
- Related Community Discussions
- Number of Related Support Cases