Configuring Inter-VLAN Routing- Router on Stick

Today we are going to talk about the configurational part of the Inter-VLAN scenario with the Router on stick which is used earlier in many of the enterprise LAN networks to have the inter-VLAN communication through the Router.

Most of the Routing and Switching experts already knew how to configure the Router on Stick configuration in order to have the inter-VLAN communications.

Although now a days enterprises uses SVI instead if Router on stick as SVI is the better way to have the communication on the Core Switches. Lets talk about the Scenario now. So in the below mentioned topology, we have two different workstations or you can say users which are in different VLANs named as VLAN 1 and VLAN 2.

These workstations are connected to the switch named NDNA Switch and further the switch is connected to the router named as NDNA Router.

Fig 1.1- Inter-vlan Routing

For an example we are taking the interfaces as Fast Ethernet, but can also take Gig interfaces if required.

We configure the interface Fa0/1 as a trunk port in order to take the traffic of VLAN 1 and VLAN 2. Now lets have a configuration on NDNA Switch and Router as follows

Configuration on NDNA Switch