What is DHCP option list?
DHCP option 1: subnet mask to be applied on the interface asking for an IP address. DHCP option 3: default router or last resort gateway for this interface. DHCP option 6: which DNS (Domain Name Server) to include in the IP configuration for name resolution. DHCP option 51: lease time for this IP address.
What is Giaddr in DHCP?
Typically, DHCP relay agents rely on the Gateway IP Address (GIADDR) field to communicate with DHCP servers. However, GIADDR is limited by its two operational functions: To inform the DHCP server about the subnet upon which the DHCP client that is requesting the IP address lease resides.
What is the difference between DHCP option 150 and option 66?
DHCP Option 150 is Cisco proprietary. The IEEE standard that matches with this requirement is Option 66. Like option 150, option 66 is used to specify the Name of the TFTP server. Option 66 is an open standard juniper supports it. RFC 2132 defines option 66. •DHCP option 66 only supports the IP address or the hostname of a single TFTP server.
What is option 66 in RFC 2132?
RFC 2132 defines option 66. •DHCP option 66 only supports the IP address or the hostname of a single TFTP server. We can specify the next-server (tftp server) both globally or specific to a pool. If the next server is configured in both places then the IP specified under the pool will be used.
How do I change the boot server host name in DHCP?
Global Scope Open the DHCP Server applet Navigate to the IPv4 Scope to “Scope Options” Right click and select “Configure Options…” Scroll down to find Option 66 “Boot Server Host Name” See below what needs to be entered into the “String Value” field
How to add/change the scope of a DHCP server?
Please note that not all DHCP servers have the capability to add/change the scope option. Normally, built-in DHCP servers in Firewalls/Routers do not have this function. For the Microsoft DHCP server the option can be set by opening the DHCP Console.