The parameters have the following meaning:
Parameter Description Range of values / note
router-index The router index is added to the Circuit
ID.
Default setting
vlanid The VLAN ID is added to the Circuit ID. -
recv-prot The Circuit ID is added to the receiving
port.
-
Result
The content of the Circuit ID is specified.
Further notes
You enable the DHCP Relay Information option with the ip dhcp relay information
option command.
You display the information with the show ip dhcp relay information command.
7.4.2.4 ip dhcp relay information option
Description
With this command, you enable the DHCP option 82. If the option is enabled, prior to forwarding
to the DHCP server, information about the origin of the DHCP query is encoded in the packet.
If the DHCP server sends a response, the information is removed again before forwarding to
the DHCP client.
This information is only encoded in the data packet if the DHCP relay agent is enabled.
Requirement
You are in the Global configuration mode or in the Interface configuration mode of VLAN.
The command prompt is as follows:
cli(config)# or cli(config-if-$$)#
Syntax
Call the command without parameter assignment:
ip dhcp relay information option
Result
The option is enabled.
Network protocols
7.4 DHCP Relay
SCALANCE XB-200/XC-200/XF-200BA/XP-200/XR-300WG Command Line Interface
312 Configuration Manual, 07/2017, C79000-G8976-C361-06
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