What Networking Protocols Are Used? - Cisco 7911G - IP Phone VoIP Administration Manual

Chapter 1 An Overview of the Cisco Unified IP Phone

What Networking Protocols Are Used?

Table 1-1 Supported Networking Protocols on the Cisco Unified IP Phone
Networking Protocol
Bootstrap Protocol
(BootP)
Cisco Discovery
Protocol (CDP)
Cisco Peer to Peer
Distribution Protocol
(CPPDP)
Cisco Unified IP Phone 7906G and 7911G for Cisco Unified Communications Manager 6.0
OL11954-01
Cisco Unified IP Phones support several industry-standard and Cisco networking
protocols required for voice communication.
the supported networking protocols on the Cisco Unified IP Phones 7906G and
7911G.
Purpose
BootP enables a network device such
as the Cisco Unified IP Phone to
discover certain startup information,
such as its IP address.
CDP is a device-discovery protocol
that runs on all Cisco-manufactured
equipment.
Using CDP, a device can advertise its
existence to other devices and receive
information about other devices in
the network.
CPPDP is a Cisco proprietary
protocol used to form a peer to peer
hierarchy of devices. CPPDP is also
used to copy firmware or other files
from peer devices to neighboring
devices.
What Networking Protocols Are Used?
Table 1-1 provides an overview of
Usage Notes
If you are using BootP to assign IP
addresses to the
Cisco Unified IP Phone, the BOOTP
Server option shows "Yes" in the
network configuration settings on the
phone.
The Cisco Unified IP Phone uses
CDP to communicate information
such as auxiliary VLAN ID, per port
power management details, and
Quality of Service (QoS) configuration
information with the Cisco Catalyst
switch.
CPPDP is used by the Peer Firmware
Sharing feature.
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