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Cisco Bug: CSCvt61174 - Fault should be raised if shared services is configured in a VRF with Preferred Groups

Last Modified

Jul 25, 2020

Products (1)

  • Cisco Application Policy Infrastructure Controller (APIC)

Known Affected Releases

3.2(4d)

Description (partial)

Symptom:
- Traffic flows between EPGs/L3Out EPGs in different VRFs is dropped when their VRFs are configured for PrefGrp Include and vzAny
- See "Conditions" section for details

- This defect is an enhancement to raise a fault when the Conditions/config listed below are observed ...

- When the simultaneous use of Preferred Groups, vzAny and Shared Services is observed ...
- When configuring Shared Svcs between EPG/L3Out EPGs and vzANy in different VRFs and then enable those VRFs for Pref Grp Include

Conditions:
- Contracts applied to EPGs/L3Out EPGs in different VRFs aka Shared Services
- This will cause the pcTag of these EPGs/L3Out EPGs to switch to a pcTag in the global range (< 16348)

- Contracts applied to involved VRFs at vzAny level (VRFs in which aforementioned EPGs/L3Out EPGs reside)
- With vzAny global pcTags won't show in zoning-rules but pcTag 0 instead.

- Involved VRFs are then configured for PrefGrp Include
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