QTech QSW-2800 series, Руководство по настройке

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232
WORD}
no ip dhcp snooping information option
self-defined remote-id
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.
32.3 DHCP Snooping Typical
Application
Sketch Map of TRUNK
As showed in the above chart, Mac-AA device is the normal user, connected to the non-trusted