D-Link DGS-3620-52T CLI Guide - Page 348

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch CLI Reference Guide DGS-3620-28SC:admin#config dhcp_relay option_61 default drop Command: config dhcp_relay option_61 default drop Success. DGS-3620-28SC:admin# 22-10 config dhcp_relay option_61 delete Description This command is used to delete Option 61 rules. Format config dhcp_relay option_61 delete [mac_address | string | all] Parameters mac_address - The entry with the specified MAC address will be deleted - Enter the MAC address here. string - The entry with the specified string will be deleted. - The string value can be up to 255 characters long. all - All rules excluding the default rule will be deleted. Restrictions Only Administrator, Operator and Power-User level users can issue this command. Example To delete a DHCP Option 61 entry: DGS-3620-28SC:admin#config dhcp_relay option_61 delete mac_address 00-11-22-3344-55 Command: config dhcp_relay option_61 delete mac_address 00-11-22-33-44-55 Success. DGS-3620-28SC:admin# 22-11 config dhcp_relay option_61 state Description This command is used to decide whether DHCP relay will process the DHCP Option 61 or not. When Option 61 is enabled, if the packet does not have Option 61, then the relay servers cannot be determined based on Option 61. If the relay servers are determined based on Option 60 or Option 61, then per IPIF configured servers will be ignored. If the relay servers are not determined either by Option 60 or Option 61, then per IPIF configured servers will be used to determine the relay servers. 343