To add the IP address of a DHCP server for a specified VLAN on a routing switch, enter the ip helper-address
command at the VLAN configuration level as in the following example:
HP Switch(config)# vlan 1 HP Switch(vlan-1)# ip helper-address ip-addr
To remove the DHCP server helper address, enter the no
form of the command:
HP Switch(vlan-1)# no ip helper-address ip-addr