QTECH QSW-8300 Инструкция по настройке - Manual (Page 182)

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like”Vlan2+Ethernet1/0/12”,<circuit-id> is the
circuit-id contents of option 82 specified by
users, which is a string no longer than
64characters. The” no ip dhcp relay
information option subscriber-id ”
command will set the format of added option
82 sub-option1 (Circuit ID option) as standard
format.
Global Mode
ip dhcp relay information option remote-id
{standard | <remote-id>}
no ip dhcp relay information option
remote-id
Set the suboption2 (remote ID option) content
of option 82 added by DHCP request packets
(They are received by the interface). The no
command sets the additive suboption2
(remote ID option) format of option 82 as
standard.
3. Enable the DHCP option 82 of server.
Command Explanation
Global mode
ip dhcp server relay information enable
no ip dhcp server relay information enable
This command is used to enable the switch
DHCP server to identify option82. The “no ip
dhcp server relay information enable
”
command will make the server ignore the
option 82.
4. Configure DHCP option 82 default format of Relay Agent
Command Explanation
Global mode
ip dhcp relay information option
subscriber-id format {hex | acsii | vs-hp}
Set subscriber-id format of Relay Agent
option82.
ip dhcp relay information option remote-id
format {default | vs-hp}
Set remote-id format of Relay Agent option82.
5. Configure delimiter
Command Explanation
Global mode
ip dhcp relay information option delimiter
[colon | dot | slash | space]
Set the delimiter of each parameter for
suboption of option82 in global mode, no