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Refer to the exhibit below. PC1 can normally exchange information with PC2; however when PC1 tries to communicate with PC3 or PC4, the communication seems to fail. How can the problem be solved without changing the VLAN configuration?
Add a new switch intended for VLAN 2.
Place a layer 3 device to provide inter-VLAN communication.
Enable VLAN trunking protocol on the switch to allow communication between VLAN 1 and VLAN 2.
Configure the IP address to the switch, to allow the exchange of messages between the PCs.
Change PC3 and PC4 IP addresses to 10.10.20.0/24 network.
By default hosts that belong to the same VLAN are only able to communicate within the same VLAN. That is because Switches do not break broadcast domains; however a VLAN logically creates traffic separation at the Layer 2. To provide communication between VLANs a Layer 3 device is needed to route packets. There are three ways to provide this communication: 1. With a router using one interface for each VLAN. 2. With a single router interface using sub-interfaces. Known as Router-on-a-stick ROAS. 3. With a logical interface on a Layer 3 Switch. This is configured with a SVI (Switched Virtual Interface). A VLAN trunking protocol provides tag VLAN information. Trunks carry multiple VLANs at the same time.
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