Cisco 7931G - Unified IP Phone VoIP Administration Manual page 118

Device Configuration Menu
Table 4-13 Network Configuration Menu Options (continued)
Option Description
Peer Firmware The Peer Firmware Sharing feature
Sharing provides these advantages in high speed
campus LAN settings:
•
•
•
In most conditions, the Peer Firmware
Sharing feature 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 7931G Administration Guide for Cisco Unified Communications Manager 6.0
4-34
Limits congestion on TFTP transfers
to centralized TFTP servers
Eliminates the need to manually
control firmware upgrades
Reduces phone downtime during
upgrades when many devices are
reset simultaneously
Enabled
Disabled—default
Chapter 4 Configuring Settings on the Cisco Unified IP Phone
To Change
From Cisco Unified Communications
Manager Administration, choose Device
> Phone > Phone Configuration.
OL-12457-01