D-Link DGS-510 Reference Manual page 168

DGS-1510 Series Gigabit Ethernet SmartPro Switch CLI Reference Guide
Switch# configure terminal
Switch(config)# ip dhcp relay information option
Switch(config)# ip dhcp relay information option format circuit-id vendor1
Switch(config)#
This example shows how to configure a user-defined string "abcd" as the circuit ID.
Switch# configure terminal
Switch(config)# ip dhcp relay information option
Switch(config)# ip dhcp relay information option format circuit-id string abcd
Switch(config)#
17-13 ip dhcp relay information option format-type circuit-id
This command is used to configure the DHCP information circuit ID sub-option of the user-defined
string.
ip dhcp relay information option format-type circuit-id vendor3 string STRING
no ip dhcp relay information option format-type circuit-id vendor3 string
Parameters
vendor3
STRING
Default
None.
Command Mode
Interface Configuration Mode.
Command Default Level
Level: 12.
Usage Guideline
This command is used to configure each interface's vendor defined string for option 82 information
circuit ID. It is available for both physical port and port channel interface configuration.
Example
This example shows how to define vendor3 circuit-id of "aabbcc" in interface eth3/0/3.
Switch# configure terminal
Switch(config)# interface eth3/0/3
Switch(config-if)# ip dhcp relay information option format-type circuit-id vendor3
string aabbcc
Switch(config-if)#
17-14 ip dhcp relay information trust-all
This command is used to enable the DHCP relay agent to trust the IP DHCP relay information for all
interfaces. Use the no form of this command to disable the trusting on all interfaces.
ip dhcp relay information trust-all
Specifies to the vender3 user-defined string with the maximum 32
characters.
Specifies the vendor-defined string.
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