The following list summarizes the key points that were discussed in this chapter:
■ Cisco LAN switches can supply in-line power to IP phones.
■ Two types of PoE delivery are supported by Cisco LAN switches.
■ PoE delivery methods can be configured on Cisco LAN switches.
■ Cisco LAN switches can be configured to support voice traffic in three different ways: single-VLAN access port, multi-VLAN access port, and trunk port.
■ Only required VLANs should be allowed on a trunk port.
■ Access and trunk ports can be configured to support Cisco IP Phones.
■ Voice VLAN configuration can be verified using Cisco CatOS and Cisco IOS commands and tools.
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