The importance of IP addressing is reflected in the new requirements that demand greater consideration of IP addressing, as the following examples illustrate:
- The transition to VoIP Telephony and the additional subnet ranges required to support voice services. Data and voice VLANs are usually segregated, and in some scenarios, twice as many subnets may be needed when implementing Telephony in the network.
- Layer 3 switching at the edge, replacing the Layer 2 switching with multi-layer switches. This involves more subnets needed at the Enterprise Edge, so the number of smaller subnets will increase. There should . . .
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