2960_1 ----------------------- vlan XXX name native.XXX ! vlan 97 name Visitors ! ! vlan 123 name OA ! ! interface Port-channel1 switchport trunk native vlan XXX switchport trunk allowed vlan 97,123 switchport mode trunk ! interface FastEthernet0/1 switchport access vlan 123 switchport mode access spanning-tree portfast ------------------------------------------- ! interface FastEthernet0/37 description ## Connect to SG300-20 ## switchport trunk native vlan XXX switchport trunk allowed vlan 97,123 switchport mode trunk channel-group 1 mode on ! interface FastEthernet0/38 description ## Connect to SG300-20 ## switchport trunk native vlan XXX switchport trunk allowed vlan 97,123 switchport mode trunk channel-group 1 mode on ! interface Vlan123 ip address 10.10.123.15 255.255.255.0 no ip route-cache no ip proxy-arp ! ip default-gateway 10.10.123.1 end ------------------------------------------------- SG300-20# ------------------------------------------------- ! vlan XXX name native.XXX ! vlan 97 name Visitor ! interface vlan 123 name OA ! interface gigabitethernet1 switchport mode access switchport access vlan 97 ! ...................................... ! interface gigabitethernet19 channel-group 1 mode on ! interface gigabitethernet20 channel-group 1 mode on ! interface Port-channel1 negotiation 100f description To-2960_1 switchport trunk allowed vlan add 97 123 switchport trunk native vlan XXX ! exit ip default-gateway 10.10.97.1 ! ! interface vlan 97 name Visitor ip address 10.10.97.4 255.255.255.0 no ip address dhcp no ip proxy-arp