Cisco APIC Layer 3 Networking Configuration Guide, Release 6.2(x)

DEC guidelines and limitations

Updated: April 17, 2026

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Dynamic L3Out EPG Classification has routing-protocol, route-map, topology, and security-configuration requirements.

Dynamic L3Out EPG Classification (DEC) dynamically associates external routes with endpoint groups based on route-map configuration.

Supports Border Gateway Protocol (BGP) and Open Shortest Path First (OSPF).
Requires L3Out default-import route maps or BGP peer import route maps.
Supports shared security through external endpoint group (EPG) configuration.

Unsupported DEC features

The following features are not supported with DEC:

Intersite
Integration with a floating L3Out
Static routing
Enhanced Interior Gateway Routing Protocol (EIGRP)
Segment routing
AM
BGP next-hop propagation with a floating L3Out
Cisco ACI GOLF , Segment Routing over MPLS (SR-MPLS), and coexistence with a fallback route

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