An engineer is comparing two Cisco Catalyst models for a campus LAN upgrade. Both models support VLAN creation, MAC address filtering, and have the same number of Gigabit Ethernet access ports. However, one model also supports the ip routing global configuration command. Which additional capability does this feature provide that the other, purely Layer 2 switch, cannot?
Capability to route traffic between different IP subnets
Enabling the ip routing command turns the switch into a Layer 3 device capable of routing traffic between different IP subnets (inter-VLAN routing). This allows it to examine IP headers and make forwarding decisions based on network-layer information, a function that a Layer 2-only switch-which forwards frames solely on MAC addresses-cannot perform. VLAN segmentation, MAC address filtering, and having multiple Ethernet ports are common to both switch types and therefore do not distinguish them.
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Cisco CCNA 200-301
Network Fundamentals
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