L2SW-48P#sh run
Building configuration...
!
!      
!         
!         
spanning-tree mode pvst
spanning-tree extend system-id
!         
vlan internal allocation policy ascending
!         
!         
!         
interface FastEthernet0/1
 switchport access vlan 50
 switchport mode access
 spanning-tree portfast
!         
interface FastEthernet0/2
 switchport access vlan 50
 switchport mode access
 spanning-tree portfast
!         
!
!         
interface FastEthernet0/7
 switchport access vlan 60
 switchport mode access
 spanning-tree portfast
!         
interface FastEthernet0/8
 switchport access vlan 60
 switchport mode access
 spanning-tree portfast
!         
!
!         
interface FastEthernet0/13
 switchport access vlan 70
 switchport mode access
 spanning-tree portfast
!         
interface FastEthernet0/14
 switchport access vlan 70
 switchport mode access
 spanning-tree portfast
!         
!
!                 
interface FastEthernet0/20
 switchport access vlan 100
 switchport mode access
 spanning-tree portfast
!         
interface FastEthernet0/21
 switchport access vlan 100
 switchport mode access
 spanning-tree portfast
!         
!!!!------removed unwanted ports-------
!         
interface FastEthernet0/48
!         
!
!         
interface GigabitEthernet0/1
 description --> connection to ISP Router Local port <--
!         
interface GigabitEthernet0/2
 description --> connection to L3SW-Cisco3560 <-- trunk link -->
 switchport mode trunk
!         
interface Vlan1
 ip address 192.168.0.141 255.255.255.0
!         
interface Vlan50
 no ip address
!         
interface Vlan60
 no ip address
!         
interface Vlan70
 no ip address
!         
ip default-gateway 192.168.0.141
ip http server
ip http secure-server
vstack    
!   
!         
end       
          
L2SW-48P#


TRUNK Link
----------
L2SW-48P#sh int trunk

Port        Mode             Encapsulation  Status        Native vlan
Gi0/4       on               802.1q         trunking      1

Port        Vlans allowed on trunk
Gi0/4       1-4094

Port        Vlans allowed and active in management domain
Gi0/4       1,10,20,50,60,70,100

Port        Vlans in spanning tree forwarding state and not pruned
Gi0/4       1,10,20,50,60,70,100
L2SW-48P#