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RANDMAC(1) General Commands Manual RANDMAC(1)

NAME

randmac – generate random MAC addresses

SYNOPSIS

randmac [options]

DESCRIPTION

randmac prints a random MAC address. This utility has been designed to give random MAC addresses to interfaces of virtual machines.

OPTIONS

-l, --local
Generate a local administered MAC.
-g, --global
Generate a global unique MAC.
-u, --unicast
Generate a MAC for unicast.
-m, --multicast
Generate a MAC for multicast.
-U, --uppercase
Print uppercase hex digits.
-e, --eui64
Generate an EUI64 address.
-o oui_addr, --oui oui_addr
Set the Organizationally Unique Identifier (OUI).
-v vendor, --vendor vendor
Set the OUI of a specific vendor.
-q, --qemu
Set the standard OUI of qemu/kvm.
-x, --xen
Set the standard OUI of xen.
-h, --help
Display a short help message and exit.

EXAMPLE

Start a kvm VM using a random generated MAC address (while preserving the standard qemu’s OUI)

$ qemu-system-x86_64 -accel kvm ... \

-device e1000,netdev=vde0,mac=`randmac -q` \
-netdev vde,id=vde0,sock=vde://

SEE ALSO

qemu(1)

AUTHOR

VirtualSquare. Project leader: Renzo Davoli.

December 2022 VirtualSquare