Can we can use a IP Phone to act as the TFTP server for the other IP phones in the local office ? (save us bandwidth across the WAN)
Yes we can. The feature is known as Peer Firmware Sharing.
The Peer Firmware Sharing feature provides these advantages in high speed campus LAN settings:
â¢Limits congestion on TFTP transfers to centralized TFTP servers
â¢Eliminates the need to manually control firmware upgrades
â¢Reduces phone downtime during upgrades when large numbers of devices are reset simultaneously
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.
Hope this helps.