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Cisco Bug: CSCvt19061 - ACI Updating interface policy group breaks LACP if eLACP is enabled on VMM domain

Last Modified

Oct 03, 2020

Products (1)

  • Cisco Application Policy Infrastructure Controller (APIC)

Known Affected Releases

3.2(9b)

Description (partial)

Symptom:
Updating the interface policy group breaks LACP if eLACP is enabled on a VMM domain. If eLACP was enabled on the domain,  Creating, updating, or removing an interface policy group with the VMM AEP deletes the basic LACP that is used by the domain.

Example:

Creating enhanced LACP Policy for the VMM causes the vmmgr to push the new configuration to DVS:

1. Upgrade DVS to support enhanced LACP. 
These configurations do not break existing LACP communication.

2. Create, update, or remove an interface policy group with the VMM AEP.
This breaks existing LACP communication and cause an outage if enhanced LACP was not configured previously on ESXi host side.

Conditions:
Creating new, updating/removing existing interface policy group with the VMM AEP breaks existing LACP communication and cause an outage if enhanced LACP
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