| IF_AGGREGATE | An aggregated, or bonded, interface forming a Link Aggregation Group (LAG), or bundle, most often based on the IEEE 802.1AX (or 802.3ad) standard. |
| IF_BRIDGE | A bridge interface |
| IF_ETHERNET | Ethernet interfaces based on IEEE 802.3 standards, as well as FlexEthernet. |
| IF_LOOPBACK | A virtual interface designated as a loopback used for various management and operations tasks. |
| IF_ROUTED_VLAN | A logical interface used for routing services on a VLAN. Such interfaces are also known as switch virtual interfaces (SVI) or integrated routing and bridging interfaces (IRBs). |
| IF_SONET | SONET/SDH interface. |
| IF_TE_TUNNEL | A TE tunnel interface. |
| IF_TUNNEL_GRE4 | A GRE tunnel over IPv4 transport. |
| IF_TUNNEL_GRE6 | A GRE tunnel over IPv6 transport. |
| IF_TUNNEL_IPSEC | An IPSEC tunnel. |
| IF_TUNNEL_IP_IN_IP | An IP-in-IP tunnel. |
| IF_TUNNEL_L2_VPN | An L2 VPN tunnel. |
| IF_TUNNEL_UNKNOWN | An unknown tunnel interface. |
| IF_TUNNEL_VXLAN | A VXLAN VTEP. |