D-Link DGS-1510-28P User Manual - Page 164
Parameters, Default, Command Mode, Command Default Level, Usage Guideline, Example, 8 ip dhcp relay
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DGS-1510 Series Gigabit Ethernet SmartPro Switch CLI Reference Guide Parameters none (Optional) Specifies to disable insertion of Option 82 in the relayed packet. Default None. Command Mode Interface Configuration Mode. Command Default Level Level: 12. Usage Guideline This command takes effect when the DHCP service is enabled. Example This example shows how to enable the insertion of Option 82 during the relay of DHCP request packets and disables the insertion of Option 82 for interface VLAN 100. The insertion of Option 82 is disabled for VLAN 100 but enabled for the remaining interfaces. Switch# configure terminal Switch(config)# ip dhcp relay information option Switch(config)# interface vlan 100 Switch(config-if)# ip dhcp relay information option-insert none switch(config-if)# 17-8 ip dhcp relay information policy This command is used to configure the Option 82 re-forwarding policy for the DHCP relay agent. Use the no form of the command to restore the default setting. ip dhcp relay information policy {drop | keep | replace} no ip dhcp relay information policy Parameters drop keep replace Specifies to discard the packet that already has the relay option. Specifies that the DHCP requests packet that already has the relay option is left unchanged and directly relayed to the DHCP server. Specifies that the DHCP request packet that already has the relay option will be replaced by a new option. Default By default, this option is replace. Command Mode Global Configuration Mode. Command Default Level 161
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