Interface Numbering
Figure 1 shows the mapping of the Ethernet ports to virtual network interface (VNI) numbering for the CSG3000 series appliance. Note that the CSG3300 and CSG3500 chassis are identical.
Figure 1: CSG3000 Port-to-VNI Mapping
Note: You must use ports designated as WAN interfaces for WAN connections, and you must use ports designated as LAN interfaces for LAN connections. You cannot use ports designated as WAN interfaces for LAN connections, and you cannot use ports designated as LAN interfaces for WAN connections.
Note: The default WAN port for ZTP is enet-0/4 WAN-5, and you should use this port only for ZTP. Do not use enet-0/4 port as a WAN interface in a production network.