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VLAN Wars

Cisco VLAN Doesn't allow me to pass, Please help me! Just connect to User-switch then take me in Root-switch.

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Video Write Up

VLAN Wars Writeup

Write Up

As you see we have access to User-Switch, first we should connect to User-Switch via Telnet. open cmd...

   1. telnet 192.168.100.100 "username:admin   password:admin"

   2. in this level we connected to the switch and just go *Enable-mode*. Write enable then press enter. "password:cisco"
     
   3. for know about switch configuration, can write *show running-config*

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   4. in this section we have configuration of switch, all ethernet ports are in vlan 2, but to access root switch we need to enable vlan 10 and change ports' vlan.
            1 --> configure terminal
            2 --> interface range ethernet 0/0-1
            3 --> switchport access vlan 10 
            4 --> exit
            5 --> interface vlan 10
            6 --> no shutdown
            7 --> exit
            8 --> exit

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   5. Connect to root-switch via telent.*Roor switch's IP, USERNAME, Passwords were written in one of ports' description."In User-Switch"*
            1 --> In enable-mode : telnet *Root-switch-IP*

   6. again go *Enable-mode* then write *show running-config*
     
   7. Now you can see flag!

Flag

UCTF{A!@mut_C@sTl3}

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