For the vSwitch, you need to configure an interface with the VLAN ID that you have entered on Robot. You should limit the MTU of the interface to 1400.

Example configuration for the network card “enp2s0”, with the VLAN ID 4010

ip link add link enp2s0 name enp2s0.4010 type vlan id 4010
ip link set enp2s0.4010 mtu 1400
ip link set dev enp2s0.4010 up

Configure IP address 10.1.2.3 from the private subnet 10.1.2.0/24

   ip addr add 10.1.2.3/24 brd 10.1.2.255 dev enp2s0.4010

Public subnet You need to create an additional routing table for the public subnet so you can configure another default gateway.

Example configuration for IP 13.39.25.50 from the public subnet 13.39.25.48/29, interface enp2s0.4010

echo "1 vswitch" >> /etc/iproute2/rt_tables
ip addr add 13.39.25.50/29 dev enp2s0.4010
ip rule add from 13.39.25.50 lookup vswitch
ip rule add to 13.39.25.50 lookup vswitch
ip route add default via 13.39.25.49 dev enp2s0.4010 table vswitch

Example Debian configuration

Interface enp2s0, VLAN 4010, private network

# /etc/network/interfaces
auto enp2s0.4010
iface enp2s0.4010 inet static
  address 10.1.2.3
  netmask 255.255.255.0
  vlan-raw-device enp2s0
  mtu 1400

Add IP 13.23.25.50 from public subnet 13.23.25.48/29 and IPv6 2001:eeee:aa:ffff::2 from public subnet 2001:eeee:aa:ffff::/64 on the host system.

Create an additional routing table.

echo "1 vswitch" >> /etc/iproute2/rt_tables

# /etc/network/interfaces
auto enp2s0.4010
iface enp2s0.4010 inet static
  address 192.168.100.1
  netmask 255.255.255.0
  vlan-raw-device enp2s0
  mtu 1400
  # ipv4 subnet
  up ip addr add 13.23.25.50/29 dev enp2s0.4010
  up ip rule add from 13.23.25.50 lookup vswitch
  up ip rule add to 13.23.25.50 lookup vswitch
  up ip route add default via 13.23.25.49 dev enp2s0.4010 table vswitch
  down ip addr del 13.23.25.50/29 dev enp2s0.4010
  down ip route del default via 13.23.25.49 dev enp2s0.4010 table vswitch
  down ip rule del to 13.23.25.50 lookup vswitch
  down ip rule del from 13.23.25.50 lookup vswitch
  # ipv6 subnet
  up ip -6 addr add 2001:eeee:aa:ffff::2/64 dev enp2s0.4010
  up ip -6 rule add from 2001:eeee:aa:ffff::2 lookup vswitch
  up ip -6 rule add to 2001:eeee:aa:ffff::2 lookup vswitch
  up ip -6 route add default via 2001:eeee:aa:ffff::1 dev enp2s0.4010 table vswitch
  down ip -6 addr del 2001:eeee:aa:ffff::2/125 dev enp2s0.4010
  down ip -6 route del default via 2001:eeee:aa:ffff::1 dev enp2s0.4010 table vswitch
  down ip -6 rule del to 2001:eeee:aa:ffff::2 lookup vswitch
  down ip -6 rule del from 2001:eeee:aa:ffff::2 lookup vswitch