Manual

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Москва, Новозаводская ул., 18, стр. 1
199
14. Enable the debug switch
15. Configure DHCP Snooping option 82 attributes
Command
Explanation
Globe mode
ip dhcp snooping information option
subscriber-id format {hex | acsii | vs-hp}
This command is used to set subscriber-id
format of DHCP snooping option82.
ip dhcp snooping information option
remote-id {standard | <remote-id>}
no ip dhcp snooping information option
remote-id
Set the suboption2 (remote ID option) content
of option 82 added by DHCP request packets
(they are received by the port). The no
command sets the additive suboption2
(remote ID option) format of option 82 as
standard.
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 limit-rate <pps>
no ip dhcp snooping limit-rate
Set rate limitation of the transmission of DHCP
snooping messages.
Command
Explanation
Admin mode
debug ip dhcp snooping packet
debug ip dhcp snooping event
debug ip dhcp snooping update
debug ip dhcp snooping binding
Please refer to the chapter on system
troubleshooting.