diff --git a/config b/config
new file mode 100644
index 0000000000000000000000000000000000000000..474ebd9dbbd3681abc7d11c67ffa23987067216a
--- /dev/null
+++ b/config
@@ -0,0 +1,224 @@
+
+!
+! Last configuration change at 00:39:05 UTC Mon Mar 1 1993
+!
+version 15.0
+no service pad
+service timestamps debug datetime msec
+service timestamps log datetime msec
+no service password-encryption
+!
+hostname S1
+!
+boot-start-marker
+boot-end-marker
+!
+!
+no aaa new-model
+system mtu routing 1500
+!
+!
+!
+!
+crypto pki trustpoint TP-self-signed-4245986304
+ enrollment selfsigned
+ subject-name cn=IOS-Self-Signed-Certificate-4245986304
+ revocation-check none
+ rsakeypair TP-self-signed-4245986304
+!
+!
+crypto pki certificate chain TP-self-signed-4245986304
+ certificate self-signed 02
+  3082022B 30820194 A0030201 02020102 300D0609 2A864886 F70D0101 05050030 
+  31312F30 2D060355 04031326 494F532D 53656C66 2D536967 6E65642D 43657274 
+  69666963 6174652D 34323435 39383633 3034301E 170D3933 30333031 30303139 
+  35365A17 0D323030 31303130 30303030 305A3031 312F302D 06035504 03132649 
+  4F532D53 656C662D 5369676E 65642D43 65727469 66696361 74652D34 32343539 
+  38363330 3430819F 300D0609 2A864886 F70D0101 01050003 818D0030 81890281 
+  8100C305 84E0ADC8 6B9F4608 1AEB9F00 F78DC6D2 19265451 D2DA4F3B 14AF1EF1 
+  E0428965 37CAE1D5 0D232A59 AE6341E6 E6735970 4718C292 314F1EF5 30EBA446 
+  A7A3B589 E1770CD7 E7B7949D 78330A79 317F8BED 8DCE3130 0AEFF86D 0256499D 
+  057BF41B B79A2F72 0187FF25 E67C4DB5 86723ADC C5D34478 85FFDE93 4F91E013 
+  8B6F0203 010001A3 53305130 0F060355 1D130101 FF040530 030101FF 301F0603 
+  551D2304 18301680 149095A0 18C4A629 7E386DF7 349C5C1C 5299DC58 80301D06 
+  03551D0E 04160414 9095A018 C4A6297E 386DF734 9C5C1C52 99DC5880 300D0609 
+  2A864886 F70D0101 05050003 81810076 C788A3E3 AFC87843 11E556B3 17A14B67 
+  B5C03121 23C696F7 45EDA62F B30616FD ED7AE07A D17CE4CC 338FAC39 0B87D860 
+  FCB3EBC8 C71021CD 78B6A344 7A70814C 1C7DED04 EAE3E85F CD1F4252 A6CEEC4B 
+  F9D498F9 55770198 D66CAD7A BE6B8073 D4A05967 49CB655D 89CC5ECF 12F8CA12 
+  2FB1A65C 5C4A8E2B EC06AB92 610BE9
+  	quit
+!
+!
+!
+!
+!
+spanning-tree mode pvst
+spanning-tree extend system-id
+!
+vlan internal allocation policy ascending
+!
+!
+!
+!
+!
+!
+interface FastEthernet0/1
+ switchport access vlan 3
+!
+interface FastEthernet0/2
+ switchport access vlan 3
+!
+interface FastEthernet0/3
+ switchport access vlan 3
+!
+interface FastEthernet0/4
+ switchport access vlan 3
+!
+interface FastEthernet0/5
+ switchport access vlan 3
+!
+interface FastEthernet0/6
+ switchport access vlan 3
+!
+interface FastEthernet0/7
+ switchport access vlan 3
+!
+interface FastEthernet0/8
+ switchport access vlan 3
+!
+interface FastEthernet0/9
+ switchport access vlan 3
+!
+interface FastEthernet0/10
+ switchport access vlan 3
+!
+interface FastEthernet0/11
+ switchport access vlan 3
+!
+interface FastEthernet0/12
+ switchport access vlan 3
+!
+interface FastEthernet0/13
+ switchport access vlan 4
+!
+interface FastEthernet0/14
+ switchport access vlan 4
+!
+interface FastEthernet0/15
+ switchport access vlan 4
+!
+interface FastEthernet0/16
+ switchport access vlan 4
+!
+interface FastEthernet0/17
+ switchport access vlan 4
+!
+interface FastEthernet0/18
+ switchport access vlan 4
+!
+interface FastEthernet0/19
+ switchport access vlan 4
+!
+interface FastEthernet0/20
+ switchport access vlan 4
+!
+interface FastEthernet0/21
+ switchport access vlan 4
+!
+interface FastEthernet0/22
+ switchport access vlan 4
+!
+interface FastEthernet0/23
+ switchport access vlan 4
+!
+interface FastEthernet0/24
+ switchport access vlan 4
+!
+interface FastEthernet0/25
+ switchport access vlan 2
+!
+interface FastEthernet0/26
+ switchport access vlan 2
+!
+interface FastEthernet0/27
+!
+interface FastEthernet0/28
+!
+interface FastEthernet0/29
+!
+interface FastEthernet0/30
+!
+interface FastEthernet0/31
+!
+interface FastEthernet0/32
+!
+interface FastEthernet0/33
+!
+interface FastEthernet0/34
+!
+interface FastEthernet0/35
+!
+interface FastEthernet0/36
+!
+interface FastEthernet0/37
+!
+interface FastEthernet0/38
+!
+interface FastEthernet0/39
+!
+interface FastEthernet0/40
+!
+interface FastEthernet0/41
+!
+interface FastEthernet0/42
+!
+interface FastEthernet0/43
+!
+interface FastEthernet0/44
+!
+interface FastEthernet0/45
+!
+interface FastEthernet0/46
+!
+interface FastEthernet0/47
+!
+interface FastEthernet0/48
+ switchport mode trunk
+!
+interface GigabitEthernet0/1
+!
+interface GigabitEthernet0/2
+!
+interface Vlan1
+ no ip address
+!
+interface Vlan2
+ ip address 192.168.40.3 255.255.255.0
+!
+interface Vlan3
+ ip address 192.168.50.3 255.255.255.0
+!
+interface Vlan4
+ ip address 192.168.60.3 255.255.255.0
+!
+interface Vlan10
+ no ip address
+!
+interface Vlan20
+ no ip address
+!
+interface Vlan30
+ no ip address
+!
+ip http server
+ip http secure-server
+!
+!
+line con 0
+line vty 0 4
+ login
+line vty 5 15
+ login
+!
+end
diff --git a/config_du_router b/config_du_router
new file mode 100644
index 0000000000000000000000000000000000000000..97c87349fb9e32cf0a06dff2ed9dc81cb9b1c817
--- /dev/null
+++ b/config_du_router
@@ -0,0 +1,108 @@
+
+!
+! Last configuration change at 08:20:19 UTC Thu Nov 17 2022
+version 15.3
+service timestamps debug datetime msec
+service timestamps log datetime msec
+no service password-encryption
+!
+hostname Router
+!
+boot-start-marker
+boot-end-marker
+!
+!
+!
+no aaa new-model
+!
+!
+!
+!
+!
+!
+!
+ip cef
+no ipv6 cef
+multilink bundle-name authenticated
+!
+!
+!
+!
+license udi pid CISCO2911/K9 sn FCZ184970F4
+!
+!
+!
+redundancy
+!
+!
+!
+!
+!
+!
+interface Embedded-Service-Engine0/0
+ no ip address
+ shutdown
+!
+interface GigabitEthernet0/0
+ no ip address
+ duplex auto
+ speed auto
+!
+interface GigabitEthernet0/0.1
+ encapsulation dot1Q 3
+ ip address 192.168.50.254 255.255.255.0
+!
+interface GigabitEthernet0/0.2
+ encapsulation dot1Q 4
+ ip address 192.168.60.254 255.255.255.0
+!
+interface GigabitEthernet0/0.3
+ encapsulation dot1Q 2
+ ip address 192.168.40.254 255.255.255.0
+!
+interface GigabitEthernet0/1
+ ip address 10.0.0.1 255.0.0.0
+ duplex auto
+ speed auto
+!
+interface GigabitEthernet0/2
+ no ip address
+ shutdown
+ duplex auto
+ speed auto
+!
+router rip
+ version 2
+ network 10.0.0.0
+ network 192.168.40.0
+ network 192.168.50.0
+ network 192.168.60.0
+!
+ip forward-protocol nd
+!
+no ip http server
+no ip http secure-server
+!
+!
+!
+!
+!
+control-plane
+!
+!
+!
+line con 0
+line aux 0
+line 2
+ no activation-character
+ no exec
+ transport preferred none
+ transport output pad telnet rlogin lapb-ta mop udptn v120 ssh
+ stopbits 1
+line vty 0 4
+ login
+ transport input all
+!
+scheduler allocate 20000 1000
+!
+end