SW3#sh run
Building configuration...

Current configuration : 2001 bytes
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! Last configuration change at 17:52:35 EET Thu Mar 21 2019
!
version 15.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
service compress-config
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hostname SW3
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boot-start-marker
boot-end-marker
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no aaa new-model
clock timezone EET 2 0
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ip cef
no ipv6 cef
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spanning-tree mode rapid-pvst
spanning-tree extend system-id
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vlan internal allocation policy ascending
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interface Ethernet0/0
 no switchport
 ip address 10.10.10.2 255.255.255.252
 duplex auto
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interface Ethernet0/1
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast edge
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interface Ethernet0/2
 switchport access vlan 20
 switchport mode access
 spanning-tree portfast edge

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interface Vlan10
 ip address 172.16.1.1 255.255.255.0
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interface Vlan20
 ip address 192.168.10.1 255.255.255.0
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ip forward-protocol nd
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no ip http server
no ip http secure-server
ip route 0.0.0.0 0.0.0.0 10.10.10.1
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control-plane
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line con 0
 logging synchronous
line aux 0
line vty 0 4
 login
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end

SW3#