Ip Dhcp Relay Information Option - Siemens SCALANCE XM-400 Configuration Manual

Network protocols
7.6 DHCPv4 Relay Agent (IPv4)
The parameters have the following meaning:
Parameter
router-index
vlanid
recv-prot
Result
The content of the Circuit ID is specified.
Further notes
You enable the DHCP Relay Information option with the
command.
You display the information with the
7.6.2.4

ip dhcp relay information option

Description
With this command, you enable the "IP DHCP Relay Information" option. 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)#
Syntax
Call the command without parameter assignment:
ip dhcp relay information option
Result
The option is enabled.
370
Description
The router index is added to the Circuit
ID.
The VLAN ID is added to the Circuit ID. -
The Circuit ID is added to the receiving
port.
show ip dhcp relay information
or
cli(config-if-$$)#
Range of values / note
Default setting
-
ip dhcp relay information option
SCALANCE XM-400/XR-500 Command Line Interface (CLI)
Configuration Manual, 06/2016, C79000-G8976-C252-11
command.