300-620 · Question #182
Refer to the exhibit. A Cisco APIC raises an error when the EPG must accept endpoints from a VMM domain created. Which action clears the fault?
The correct answer is A. Expand the VLAN pool for the VMM domain.. An APIC error indicating an EPG cannot accept endpoints from a VMM domain often points to a VLAN exhaustion issue. Expanding the VLAN pool associated with the VMM domain provides the necessary available VLAN IDs for endpoint encapsulation.
Question
Refer to the exhibit. A Cisco APIC raises an error when the EPG must accept endpoints from a VMM domain created. Which action clears the fault?
Exhibit
Options
- AExpand the VLAN pool for the VMM domain.
- BCreate a bridge domain for the VMM domain.
- CAssociate the EPG with the VMM domain.
- DAssociate the VLAN pool with the VMM domain.
How the community answered
(29 responses)- A69% (20)
- B3% (1)
- C10% (3)
- D17% (5)
Why each option
An APIC error indicating an EPG cannot accept endpoints from a VMM domain often points to a VLAN exhaustion issue. Expanding the VLAN pool associated with the VMM domain provides the necessary available VLAN IDs for endpoint encapsulation.
When an APIC raises an error because an EPG cannot accept endpoints from a VMM domain, it often signifies a VLAN exhaustion issue. Expanding the VLAN pool associated with the VMM domain provides more available VLAN IDs, which are necessary for the VMM integration to assign to virtual machine network adapters and establish connectivity.
While EPGs require a bridge domain, the error states the EPG cannot accept endpoints from a VMM domain, implying a VMM-related configuration issue, not a missing bridge domain for the EPG itself.
The question implies an EPG is already interacting with a VMM domain (or attempting to), and the issue is specifically about 'accepting endpoints,' not the initial association.
The VLAN pool is associated with the VMM domain as part of its creation; the error likely indicates an issue with the size or availability of VLANs within that already-associated pool, rather than a missing association itself.
Concept tested: Cisco ACI VMM domain VLAN pool management
Source: https://www.cisco.com/c/en/us/td/docs/dcn/aci/apic/6x/config-guide/cisco-apic-cisco-aci-configuration-guide-60x/m_configuring-vmm.html
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