:target: VNF
:keyword: MUST
:validation_mode: none
- :updated: casablanca
+ :updated: frankfurt
An ONAP external network **MUST** have one subnet. An external network
**MAY** have more than one subnet.
:id: R-86972
:target: VNF
:keyword: SHOULD
- :updated: casablanca
+ :updated: frankfurt
A VNF **SHOULD** create the ONAP internal network in the VNF's Heat
Orchestration Template's Base Module.