phones have a built-in configuration to seek the ShoreTel server’s address as Vendor Specific DHCP option 156. If these options are not available, ShoreTel’ s IP phones use option 66. ShoreTel IP phones that support DHCP option 156 are ShoreTel models IP110, IP115, IP212k, IP230, IP230g, IP265,
These details are actually: TFTP server IP address (DHCP option 66) and network boot program file name (DHCP option 67) If you know these details, you can perfectly make the economy of a PXE Service. Just fill these dhcp options (66 and 67) with the needed data. [SOLVED] DHCP server is Network Booting (option 66 Nov 07, 2019 Setting DHCP Option 66 and 67 - help.hcltechsw.com You must set option 66, Boot Server Host Name, and 67, Boot File Name, for each specific UEFI target that cannot process option 43. Adding DHCP option 66 and 67 to Windows DHCP server To set options 66 and 67 it is necessary to reserve an IP address for the target. Select a free IP address from the range assigned by your DHCP server. Dynamic Host Configuration Protocol - Wikipedia
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Mar 30, 2016
Create the DHCP Option 66 Please note that not all DHCP servers have the capability to add/change the scope option. Normally, build in DHCP servers in Firewalls/Routers do not have this function. If the Microsoft DHCP server is used, the option can be set by opening the DHCP Console.
Re: HPE Switches ignoring DHCP option 66 for TFTP server 02-27-2017 06:43 PM - edited 02-27-2017 10:01 PM Hi, Please use option 66 to specify TFTP server IP address. www.dhcp66.com www.dhcp66.com