Limitations and Restrictions
The following are the known limitations and restrictions of the feature in UPF:
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UPF supports only VRF-based overlapping pools. UPF does not support other flavors of overlapping pools such as NH-based and VLAN-based.
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UPF does not permit PDN Type IPv4v6-based call on static IP pools with multiple UPs in the same UP group.
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UPF does not support dynamic update of VRF.