Cisco 7911G - IP Phone VoIP Administration Manual page 131

Chapter 4 Configuring Settings on the Cisco Unified IP Phone
Table 4-16 Network Configuration Menu Options (continued)
Option Description
Peer Firmware The Peer Firmware Sharing feature provides
Sharing these advantages in high speed campus LAN
settings:
•
•
•
In most conditions, Peer Firmware Sharing
optimizes firmware upgrades in branch
deployment scenarios over bandwidth-limited
WAN links.
When enabled, it allows the phone to discover
like phones on the subnet that are requesting the
files that make up the firmware image, and to
automatically assemble transfer hierarchies on a
per-file basis. The individual files making up the
firmware image are retrieved from the TFTP
server by only the root phone in the hierarchy,
and are then rapidly transferred down the
transfer hierarchy to the other phones on the
subnet using TCP connections
This menu option indicates whether the phone
supports peer to peer image distribution.
Settings include:
•
•
Cisco Unified IP Phone 7906G and 7911G for Cisco Unified Communications Manager 6.0
OL11954-01
Limits congestion on TFTP transfers to
centralized TFTP servers
Eliminates the need to manually control
firmware upgrades
Reduces phone downtime during upgrades
when large numbers of devices are reset
simultaneously
Enabled
Disabled—default
Device Configuration Menu
To Change
Use Cisco Unified
Communications Manager
Administration > Device > Pho
ne > Phone Configuration.
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