I have just purchased a Cisco 1812 router and I am have Vlan problems with a Nortel 450 switch. On the Nortel switch I have 4 vlans.. Vlan 1,2,3,4 with port 1 vlan 1 port 2 vlan 2 port 3 vlan 3 and port 4 vlan 4.On cisco 1812 Fa0 is on Nortel port 1,...