DHCP Snooping Configuration
306
ip dhcp snooping information
option allow-untrusted
no ip dhcp snooping information
option allow-untrusted
This command is used to set that allow
untrusted ports of DHCP snooping to receive
DHCP packets with option82 option. When
disabling this command, all untrusted ports
will drop DHCP packets with option82 option.
ip dhcp snooping information
option delimiter [colon | dot |
slash | space]
no ip dhcp snooping information
option delimiter
Set the delimiter of each parameter for
suboption of option82 in global mode, no
command restores the delimiter as slash.
ip dhcp snooping information
option
self-defined
remote-id
{hostname | mac | string WORD}
no ip dhcp snooping information
option self-defined remote-id
Set creation method for option82, users can
define the parameters of remote-id suboption
by themselves.
ip dhcp snooping information
option
self-defined
remote-id
format [ascii | hex]
Set self-defined format of remote-id for
snooping option82.
ip dhcp snooping information
option self-defined subscriber-id
{vlan | port | id (switch-id (mac |
hostname)| remote-mac) | string
WORD}
no ip dhcp snooping information
option
type
self-defined
subscriber-id
Set creation method for option82, users can
define the parameters of circute-id suboption
by themselves.
ip dhcp snooping information
option self-defined subscriber-id
format [ascii | hex]
Set self-defined format of circuit-id for
snooping option82.
Port mode
ip dhcp snooping information
option subscriber-id {standard |
<
circuit-id
>}
no ip dhcp snooping information
option subscriber-id
Set the suboption1 (circuit ID option) content
of option 82 added by DHCP request packets
(they are received by the port). The no
command sets the additive suboption1 (circuit
ID option) format of option 82 as standard.