Table: Supported DHCP server options for ZTP lists the supported DHCP server options for ZTP.
| Options | DHCP IPv4 option | IPv4 comments | DHCP IPv6 option | IPv6 comments |
|---|---|---|---|---|
Subnet mask |
Option 1 |
— |
— |
— |
Router |
Option 3 |
Default gateway |
— |
— |
DNS server |
Option 6 |
DNS server |
— |
— |
Lease time |
Option 51 |
Must be infinite |
— |
— |
Server address |
Option 54 |
Identifies the DHCP server |
— |
— |
Classless static route |
Option 121 |
Used to install static routes |
— |
— |
NTP server 1 |
Option 42 |
— |
Option 56 |
— |
TFTP server name |
Option 66 |
Server IP address |
— |
— |
Bootfile name |
Option 67 |
URL of the file Can be used without Option 66, in which case it contains the server name and the URL |
Option 59 |
Server name and URL of the file |
Vendor-specific options (See Nokia-specific TLV) |
Option 43 |
Nokia proprietary file location Can be used instead of Options 66 or 67, but Options 66 and 67 take precedence over Option 43 |
Option 17 |
Nokia proprietary file location Can be used instead of Option 59, but Option 59 takes precedence over Option 17 |