> All ports are in shutdown mode by default
> No DTP Supported
> Trunks only support 802.1Q Encapsulation
> No VTP Supported
> Rapid PVST is default STP mode
> By default all Down stream ports are configured as port type UNI
> By default all Up stream ports are configured as port type NNI
> port-type [UNI|ENI|NNI]
> UNI can only send traffic to NNI
> UNI Don't support - STP, CDP/LLDP, LACP/PAGP but ENI Does but must be manually enabled
> "sh port-type" to verify Port Type Status of any given interface
>"uni-vlan isolated|community" default is "isolated"..... the command doesn't apply to VLAN 1. Configuration goes under VLAN mode.
> Local UNI interface can't ping local SVI for same VLAN it is in without "IP Routing" turned ON but can ping remote switch SVI for same VLAN.
> NNI Port in ME = Regular Port in Cat IOS