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.
PXEClient, dhcp options 60, 66 and 67, what are they for 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
Original.bin has KBE search option 66 and then option 244. Switch.bin has KBE search for option 244 and then option 66. We have seen this needed with Cisco DHCP especially. Fallback.bin has KBE search for option 66 and then option 244, if both fail then it hard codes the K2000 IP.
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
PXE, UEFI and DHCP Option 66 and 67.
Solved: Cisco SPA with DHCP Options 66 problem - Cisco Just note the option 66 is the standard DHCP option dedicated to IP of TFTP server only. I'm unsure all models have non-standard extension of it allowing you to specify text URL instead of four-byte IP address only. You should consider to use option 160 instead. It is option dedicated by Cisco for full URL text value. PXE clients computers do not start when you configure the Apr 17, 2018