A.Reverse Path Forwarding B.Hardware-based forwarding C.UDP forwarding D.Layer 2 Forwarding
A.The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode ON B.The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode to OFF C.The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode asauto. D.The firewall does not support DTP. You should set the switchport trunk mode to ON
A.0.0.0.1 B.0.255.0.1 C.2001:DB8::1 D.2001:DB8:ABCD:FEEF::1