Refer to the exhibit. A network administrator is configuring inter-VLAN routing. However, the communication between VLAN 10 and VLAN 20 fails. Based on the output of the show vlan command, what is the cause of the problem?
- Gi1/1 and Gi1/2 are not configured as trunk mode.
- The IP addresses on Gi0/0 and Gi0/1 are switched by mistake.
- The IP addresses on Gi0/0 and Gi0/1 are not on the same network.
- Gi1/1 and Gi1/2 are not assigned to their respective VLANs.
Explanation: Because two physical interfaces on the router are connected to two physical ports on a switch, this is a legacy inter-VLAN configuration. With legacy inter-VLAN, the ports on the switch that are connected to the router need to be in access mode and assigned their respective VLANs. As shown in the display, these two ports are still in VLAN 1. The IP address on the router interface can be configured as needed, as long as the devices on the same VLAN are in the same network.
Exam with this question: CCNA 3 (v5.0.3 + v6.0) Chapter 2 Exam Answers
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