A method for enabling routing of traffic to/from a roaming host node roaming from a subnet of a home network to a visited network , wherein the roaming host node is assigned an Internet Protocol, IP, address in the home network , the method comprising: - configuring , in a router of the visited network to which the roaming host node is connected, a subnet by assigning an IP address range to the subnet , wherein the assigned IP address range is the same IP address range of the subnet of the home network ; - creating or configuring a tunnel between a router of the home network and the router of the visited network ; - creating or configuring , in the router of the home network , a static route to route traffic from a host node, destined to the roaming host node wherein the traffic is routed through the tunnel and delivered to the roaming host node through a first connected interface to the visited network , on the router of the visited network , and wherein the IP address of the roaming host node is maintained unchanged in the subnet of the visited network ; and - configuring the router of the visited network by applying a routing policy, wherein the routing policy enables the roaming host node to generate traffic to reply to received traffic from said host node received from said first interface, by setting a medium access control, MAC, address of the first interface as a Layer 2 destination MAC address part of the traffic towards the host node of the home network, and when the reply traffic is received by the router of the visited network , the router of the visited network checks the destination IP address and forwards the traffic from the roaming host node through a network interconnecting the router of the visited network and the router of the home network . - configuring , in a router of the visited network to which the roaming host node is connected, a subnet by assigning an IP address range to the subnet , wherein the assigned IP address range is the same IP address range of the subnet of the home network ; - creating or configuring a tunnel between a router of the home network and the router of the visited network ; - creating or configuring , in the router of the home network , a static route to route traffic from a host node, destined to the roaming host node wherein the traffic is routed through the tunnel and delivered to the roaming host node through a first connected interface to the visited network , on the router of the visited network , and wherein the IP address of the roaming host node is maintained unchanged in the subnet of the visited network ; and - configuring the router of the visited network by applying a routing policy, wherein the routing policy enables the roaming host node to generate traffic to reply to received traffic from said host node received from said first interface, by setting a medium access control, MAC, address of the first interface as a Layer 2 destination MAC address part of the traffic towards the host node of the home network, and when the reply traffic is received by the router of the visited network , the router of the visited network checks the destination IP address and forwards the traffic from the roaming host node through a network interconnecting the router of the visited network and the router of the home network . <EOS>