On the router, the destination IP address is examined and the network routing table is looked upon. The packet reaches the router with the VLAN id of the host network. When any host in a VLAN sends the traffic to any destination. The default gateway of each machine on a broadcast domain should be the IP address on the router for that VLAN. The router should have an IP address configured for each VLAN (Broadcast domain). The simplest way for inter-VLAN routing is to place a router between VLANs. How to set up an Inter Vlan Routing? Using a Router – A basic approach: For example, the HR department may require to access the server of the technical department for the job requirements. This brings the need for Inter Vlan routing. But in real life at some point in time, there would be a need to communicate with outer machines too, those are outside of VLAN. If a frame is received on a port, it can leave from the ports that have the same incoming VLAN Id.
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