Commit old labs for 8 semester.
Initial commit for lra.
Create topology.
Add computers.
Add vlans in databases.
Add ip addresses for PCs.
Add vlans.
Add password for vtp on all switches.
Add etherchannels with PAgP protocol.
Change speed and duplex settings.
Add port security for admin port.
Add inter-vlan routing.
Administrative shutdown not used interfaces.
Merge https://github.com/ptorchilov/Packet-Tracer-Labs