GNS3 cloud

1. Making TUN/TAP Permanent 

# apt-get install uml-utilities

/etc/network/interfaces

auto tap0
iface tap0 inet static
pre-up tunctl -t tap0
address 192.168.222.10
netmask 255.255.255.0

2. GNS3 Cloud 

 sudo setcap cap_net_raw,cap_net_admin+eip dynamips-028-RC5-community-x86_64.bin

sudo setcap cap_net_raw,cap_net_admin+eip iouyap