diff --git a/switch-configs/coresw.cfg b/switch-configs/coresw.cfg
new file mode 100644
index 0000000..38f94f1
--- /dev/null
+++ b/switch-configs/coresw.cfg
@@ -0,0 +1,422 @@
+!
+! Last configuration change at 15:46:02 UTC Sat Oct 5 2019
+! NVRAM config last updated at 15:46:05 UTC Sat Oct 5 2019
+!
+version 12.2
+no service pad
+service timestamps debug datetime msec
+service timestamps log datetime msec
+no service password-encryption
+service unsupported-transceiver
+!
+hostname coresw
+!
+boot-start-marker
+boot-end-marker
+!
+enable password @_PW_@
+!
+!
+!
+no aaa new-model
+switch 1 provision ws-c3750e-48pd
+system mtu routing 1500
+ip routing
+!
+!
+ip name-server 10.20.0.1
+vtp mode off
+!
+!
+!
+!
+spanning-tree mode mst
+spanning-tree extend system-id
+!
+spanning-tree mst configuration
+ name openfest
+!
+!
+!
+!
+!
+vlan internal allocation policy ascending
+!
+vlan 2
+ name initlab
+!
+vlan 10
+ name of-ext
+!
+vlan 20
+ name of-mgmt
+!
+vlan 21
+ name of-wired
+!
+vlan 22
+ name of-wifi
+!
+vlan 23
+ name of-video
+!
+vlan 24
+ name of-overflow
+!
+vlan 25
+ name of-phones
+!
+vlan 26
+ name security
+!
+vlan 999
+ name ipacct
+!
+vlan 2464
+ name techpark
+!
+lldp run
+!
+!
+!
+interface FastEthernet0
+ no ip address
+ no ip route-cache cef
+ no ip route-cache
+!
+interface GigabitEthernet1/0/1
+ description DEBUG
+ switchport access vlan 20
+ switchport mode access
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/2
+ description DEBUG/trunk
+ switchport trunk encapsulation dot1q
+ switchport mode trunk
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/3
+ description vin/backup
+ switchport trunk encapsulation dot1q
+ switchport mode trunk
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/4
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/5
+ description ap-cf-srv
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20,22
+ switchport mode trunk
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/6
+ description ap-cf-f-l
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20,22
+ switchport mode trunk
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/7
+ description ap-cf-f-r
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20,22
+ switchport mode trunk
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/8
+ description ap-cf-b1
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20,22
+ switchport mode trunk
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/9
+ description ap-cf-a1
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20,22
+ switchport mode trunk
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/10
+ description ap-cf-a2
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20,22
+ switchport mode trunk
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/11
+ description ap-cf-c1
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20,22
+ switchport mode trunk
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/12
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20,22
+ switchport mode trunk
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/13
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20,22
+ switchport mode trunk
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/14
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20,22
+ switchport mode trunk
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/15
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20,22
+ switchport mode trunk
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/16
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20,22
+ switchport mode trunk
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/17
+ description reception-sw
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20-26
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/18
+ description team-sw
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20-26
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/19
+ description vocsw-A
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20-26
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/20
+ description vocsw-B
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20-26
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/21
+ description vocsw-C
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20-26
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/22
+ description vocsw-D
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20-26
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/23
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20-26
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/24
+ description presenter-A
+ switchport access vlan 22
+ switchport mode access
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/25
+ description presenter-B
+ switchport access vlan 22
+ switchport mode access
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/26
+ description presenter-C
+ switchport access vlan 22
+ switchport mode access
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/27
+ description cambox-B
+ switchport access vlan 23
+ switchport mode access
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/28
+ description cambox-C
+ switchport access vlan 23
+ switchport mode access
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/29
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/30
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/31
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/32
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/33
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/34
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/35
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/36
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/37
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/38
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/39
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/40
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/41
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/42
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/43
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/44
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/45
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/46
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/47
+ shutdown
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/48
+ description techpark
+ switchport access vlan 2464
+ switchport mode access
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/49
+ description f0sw
+ switchport trunk encapsulation dot1q
+ switchport trunk allowed vlan 20-26
+ switchport mode trunk
+ spanning-tree portfast trunk
+!
+interface GigabitEthernet1/0/50
+ description ipacct
+ switchport access vlan 999
+ switchport mode access
+ spanning-tree portfast trunk
+ spanning-tree bpdufilter enable
+ spanning-tree bpduguard enable
+!
+interface GigabitEthernet1/0/51
+!
+interface GigabitEthernet1/0/52
+!
+interface TenGigabitEthernet1/0/1
+!
+interface TenGigabitEthernet1/0/2
+ description vin
+ switchport trunk encapsulation dot1q
+ switchport mode trunk
+ spanning-tree portfast trunk
+!
+interface Vlan1
+ no ip address
+!
+interface Vlan20
+ ip address 10.20.0.11 255.255.255.0
+!
+ip classless
+!
+ip http server
+ip http secure-server
+!
+!
+snmp-server community @_PW_@ RO
+snmp-server trap-source Vlan20
+snmp-server enable traps snmp authentication linkdown linkup coldstart warmstart
+snmp-server enable traps transceiver all
+snmp-server enable traps tty
+snmp-server enable traps license
+snmp-server enable traps config-copy
+snmp-server enable traps config
+snmp-server enable traps fru-ctrl
+snmp-server enable traps entity
+snmp-server enable traps hsrp
+snmp-server enable traps cpu threshold
+snmp-server enable traps bridge newroot topologychange
+snmp-server enable traps stpx inconsistency root-inconsistency loop-inconsistency
+snmp-server enable traps syslog
+snmp-server enable traps vtp
+snmp-server enable traps vlancreate
+snmp-server enable traps vlandelete
+snmp-server enable traps flash insertion removal
+snmp-server enable traps port-security
+snmp-server enable traps envmon fan shutdown supply temperature status
+snmp-server enable traps errdisable
+snmp-server enable traps mac-notification change move threshold
+snmp-server enable traps vlan-membership
+snmp-server host 10.20.0.1 version 2c @_PW_@ 
+!
+!
+line con 0
+line vty 0 4
+ password @_PW_@
+ login
+line vty 5 15
+ password @_PW_@
+ login
+!
+ntp server 10.20.0.1
+end