NTC/362: Fundamentals of Networking
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NTC/362: Fundamentals of Networking
Q: What is the purpose of configuring multiple SVI interfaces on a layer 3 switch?
A: To support routing between the subnets residing on local VLANs
Explanation: Each SVI gives a switch to a layer-3 interface that connects internally to some VLAN. Configuring multiple SVIs on a single layer 3 switch gives that switch multiple layer-3 interfaces connected to the various VLANs so that the switch can route IP traffic between the subnets that reside in those VLANs.
SVI interfaces do nothing in support of layer 2 forwarding functions. An SVI is often used to configure an IP address on a switch to allow remote management, but the question asks why a switch would need multiple SVIs, and to support remote management, a single SVI is needed.
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