Planet SGS-6341-24T4X - Page 429

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28.10 ip dhcp relay information option subscriber-id
Command:
ip dhcp relay information option subscriber-id {standard | <circuit-id>}
no ip dhcp relay information option subscriber-id
Function:
This command is used to set the format of option82 sub-option1(Circuit ID option) added to the
DHCP request messages from interface, standard means the standard vlan name and physical
port name format, like”Vlan2+Ethernet1/0/12”,<circuit-id> is the circuit-id contents of option82
specified by users, which is a string no longer than 64 characters. The” no ip dhcp relay
information option subscriber-id” command will set the format of added option82 sub-option1
(Circuit ID option) as standard format.
Command Mode:
Interface configuration mode.
Default:
The system uses the standard format to set the circuit-id of option 82 by default.
User Guide:
Because the option 82 information added for the switch should cooperate with the third party DHCP
server, if the standard circuit-id format of the switch cannot satisfy the server’s request, this method
will be provided for users to specify the contents of circuit-id according to the situation of the server.
Example:
Set the sub-option circuit-id of DHCP option82 as foobar.
Switch(config-if-vlan1)#ip dhcp relay information option subscriber-id foobar
28.11 ip dhcp relay information option subscriber-id
format
Command:
ip dhcp relay information option subscriber-id format {hex | acsii | vs-hp}
Function:
Set subscriber-id format of Relay Agent option82.
Parameters:
hex means that subscriber-id is VLAN and port information with hexadecimal format, acsii means
that subscriber-id is VLAN and port information with ACSII format. vs-hp means that subscriber-id is
compatible with the format of HP manufacturer.