2960_1#sho run
Building configuration...

Current configuration : 9436 bytes
!
version 12.2
no service pad
service timestamps debug datetime localtime
service timestamps log datetime localtime
service password-encryption
!
hostname 2960_1
!
vlan internal allocation policy ascending
!
!
vlan 97
 name Visitors
!
!
vlan 123
 name OA
!         
!
interface Port-channel1
 switchport trunk native vlan 97
 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 97
 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 97
 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
!
ip default-gateway 10.10.123.1
end