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s1-----------------------------------------------interface vlan 55ip address 10.10.55.11 255.255.255.0no shutdownip default-gateway 10.10.55.1ex

vtp mode servervtp domain BRANCHvtp password vtpbranch

interface range fastEthernet 0/19-24switchport mode trunkswitchport trunk native vlan 55ex

vlan 40name Staffexvlan 50name Adminexvlan 55

name Managementexvlan 80name Wirelessex

spanning-tree vlan 40 priority 12288spanning-tree vlan 50 priority 12288spanning-tree vlan 55 priority 12288spanning-tree vlan 80 priority 12288

s2 -----------------------------------------------interface vlan 55ip address 10.10.55.12 255.255.255.0no shutdownip default-gateway 10.10.55.1ex

interface range fastEthernet 0/19-24switchport mode trunkswitchport trunk native vlan 55ex

vtp mode client

vtp domain BRANCHvtp password vtpbranch

interface range fastEthernet 0/1-10switchport mode accessswitchport access vlan 40ex

interface range fastEthernet 0/11-17switchport mode access

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switchport access vlan 50ex

interface fastEthernet 0/18switchport mode accessswitchport access vlan 80ex

spanning-tree vlan 40 priority 16384spanning-tree vlan 50 priority 16384spanning-tree vlan 55 priority 16384spanning-tree vlan 80 priority 16384

s3 ------------------------------------------------interface vlan 55ip address 10.10.55.13 255.255.255.0no shutdownip default-gateway 10.10.55.1ex

interface range fastEthernet 0/19-24switchport mode trunk

switchport trunk native vlan 55ex

vtp mode clientvtp domain BRANCHvtp password vtpbranch

interface range fastEthernet 0/1-10switchport mode accessswitchport access vlan 40ex

interface range fastEthernet 0/11-17

switchport mode accessswitchport access vlan 50ex

interface fastEthernet 0/18switchport mode accessswitchport access vlan 80ex

sh#show vlan brief

interface fastEthernet 0/2switchport mode access

switchport port-security maximum 2switchport port-security mac-address stickyswitchport port-security violation shutdownex

S3#show port-security address

Router-------------------------------------

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interface fastEthernet 0/0no shutdowninterface fastEthernet 0/0.40encapsulation dot1Q 40ip address 10.10.40.1 255.255.255.0no shutdownexinterface fastEthernet 0/0.50encapsulation dot1Q 50ip address 10.10.50.1 255.255.255.0no shutdownexinterface fastEthernet 0/0.55encapsulation dot1Q 55ip address 10.10.55.1 255.255.255.0no shutdownexinterface fastEthernet 0/0.80encapsulation dot1Q 80ip address 10.10.80.1 255.255.255.0no shutdown

Branch#show vlan-switch