Table 1 – DHCPv4 Options
| Option Number | Option Name | Source |
|---|---|---|
| 60 | Vendor Class Identifier | RFC 2132 |
| 66 | TFTP Server Name | RFC 2132 |
| 67 | Filename | RFC 2132 |
| 82 | Relay Agent Information Option | RFC 3046 |
How do I find my DHCP options?
To enable DHCP or change other TCP/IP settings
- Select Start , then select Settings > Network & Internet .
- Do one of the following: For a Wi-Fi network, select Wi-Fi > Manage known networks.
- Under IP assignment, select Edit.
- Under Edit IP settings, select Automatic (DHCP) or Manual.
- When you’re done, select Save.
What is DHCP enabled mean?
When you enable DHCP, it means you allow DHCP server to automatically assign IP address for your device, so you don’t need to manually type the IP address and DNS for your computer from time to time.
What is Option 150 and Option 66 in DHCP Cisco?
DHCP option 150 provides the IP addresses of a list of TFTP servers. DHCP option 66 gives the IP address or the hostname of a single TFTP server.
How does Option 66 work?
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.
What is a DHCP address?
DHCP definition DHCP stands for dynamic host configuration protocol and is a network protocol used on IP networks where a DHCP server automatically assigns an IP address and other information to each host on the network so they can communicate efficiently with other endpoints.
What is dhdhcp option 15?
DHCP option 15: specifies the domain name that client should use as suffix when resolving hostnames via the Domain Name System DHCP option 58 and 59: Renewal Time Value (T1) and Rebinding Time Value (T2). See the chapter “DHCP Lease Time Management” on What is DHCP?
What information goes into the DHCP Option 60 field?
Carries some identifier from the client that may identify the client’s device class. The DHCP specification does not define what values go into this field, but other specifications do. For example, the DOCSIS specifications state that if the device is DOCSIS-compliant, option 60 must start with “DOCSIS” (and also include other details).
What are the DHCP options exchanged with clients?
Here is the list of the most common DHCP options exchanged with clients: 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
What is the syntax for declaring DHCP options?
The syntax for declaring options, and the names and formats of the options that can be declared, are documented here. DHCP option statements always start with the option keyword, followed by an option name, followed by option data. The option names and data formats are described below.
