Add VLAN 1001 to interface eno1
ip link add link eno1 name eno1.1001 type vlan id 1001
Configure IP on the VLAN:
ip addr add 10.255.1.13/24 dev eno1.1001
Enable interface
ip link set dev eno1 up
ip link set dev eno1.1001 up
Configure default gateway
ip route add 0.0.0.0/0 via 10.255.1.1