
Contents
iv
Cisco IP Telephony Network Design Guide
78-11103-03
Multisite IP WAN with Distributed Call Processing 1-7
Multisite IP WAN with Centralized Call Processing 1-10
CHAPTER
2 Campus Infrastructure Considerations 2-1
Overview 2-2
Power Protection Strategies 2-4
Network Infrastructure 2-5
High Availability 2-7
Physical Connectivity Options 2-9
Power to IP Phones 2-10
Inline Power 2-10
Establishing Power to the IP Phone 2-12
Inline Power Configuration 2-13
Other Inline Power Considerations 2-15
External Patch Panel Power 2-17
Wall Power 2-20
Summary of Recommendations 2-20
IP Addressing and Management 2-21
CDP Enhancements 2-22
VVID Field 2-22
Trigger Field 2-22
Power Requirement Field 2-23
Auxiliary VLANs and Data VLANs 2-23
Voice VLAN Configuration 2-24
Connecting to the Network 2-25
Sample Addressing Plan and Recommendations 2-26
Comentarios a estos manuales