grub: net_dhcp
16.4.8 net_dhcp
---------------
-- Command: net_dhcp [CARD]
Perform configuration of CARD using DHCP protocol. If no card name
is specified, try to configure all existing cards. Falls back to
the BOOTP protocol, if needed. If configuration was successful,
interface with name CARD':dhcp' and configured address is added to
CARD. Additionally the following DHCP options are recognized and
processed:
'1 (Subnet Mask)'
Used to calculate network local routing entry for interface
CARD':dhcp'.
'3 (Router)'
Adds default route entry with the name CARD':dhcp:default' via
gateway from DHCP option. Note that only option with single
route is accepted.
'6 (Domain Name Server)'
Adds all servers from option value to the list of servers used
during name resolution.
'12 (Host Name)'
Sets environment variable 'net_'<CARD>'_dhcp_hostname' (⇒
net_<INTERFACE>_hostname) to the value of option.
'15 (Domain Name)'
Sets environment variable 'net_'<CARD>'_dhcp_domain' (⇒
net_<INTERFACE>_domain) to the value of option.
'17 (Root Path)'
Sets environment variable 'net_'<CARD>'_dhcp_rootpath' (⇒
net_<INTERFACE>_rootpath) to the value of option.
'18 (Extensions Path)'
Sets environment variable 'net_'<CARD>'_dhcp_extensionspath'
(⇒net_<INTERFACE>_extensionspath) to the value of
option.
'66 (TFTP Server Name)'
Sets environment variable 'net_'<CARD>'_dhcp_server_name'
(⇒net_<INTERFACE>_dhcp_server_name) to the value of
option.
'67 (Filename)'
Sets environment variable 'net_'<CARD>'_boot_file' (⇒
net_<INTERFACE>_boot_file) to the value of option.
Info Catalog
grub: net_del_route
grub: Networking commands
grub: net_bootp6