Tag: vlan

  • Connect cisco switch and linux server for kvm virtualization

    We need bridge (brX) interface(s) for linux kvm virtualization. EXAMPLE FOR 3 VLAN-S VLAN-s must be defined on Cisco switch VLAN 10 – IT vlan VLAN 20 – DMZ vlan VLAN 30 – guest vlan Define vlan without ip (L2 switch): switch# conf t switch(config)# vlan 10 switch(config-vlan)# name vlan-it switch(config-vlan)# end switch# write Define…

  • Cisco vtp updating problems

    It could be as simple as forget to setup a password. 🙂 If you setup a vtp password on cisco server switch then you must setup a password on client switch to. Check if password is configured for vtp: # show vtp password Setup vtp password on switch: sw(config)# vtp password … Now vtp updating…