Ip Helper Enable; Show Ip Helper-Address - NETGEAR M6100 Series Reference Manual

(NETGEAR Switch)(config)#interface 1/0/2
(NETGEAR Switch)(interface 1/0/2)#ip helper-address 192.168.40.2 dhcp
(NETGEAR Switch)(interface 1/0/2)#ip helper-address 192.168.40.2 domain
(NETGEAR Switch)(interface 1/0/2)#exit
(NETGEAR Switch)(config)#interface 1/0/17
(NETGEAR Switch)(interface 1/0/17)#ip helper-address 192.168.23.1 162
(NETGEAR Switch)(interface 1/0/17)#ip helper-address discard dhcp
no ip helper-address (Interface Config)
Use this command to delete a relay entry on an interface. The command without any
arguments clears all helper addresses on the interface.
Format
no ip helper-address [server-address | discard] [dest-udp-port | dhcp |
domain | isakmp | mobile ip | nameserver | netbios-dgm | netbios-ns | ntp |
pim-auto-rp | rip | tacacs | tftp | time]
Mode Interface Config

ip helper enable

Use this command to enable relay of UDP packets. This command can be used to
temporarily disable IP helper without deleting all IP helper addresses. This command
replaces the bootpdhcprelay enable command, but affects not only relay of DHCP
packets, but also relay of any other protocols for which an IP helper address has been
configured.
Default
disabled
Format
ip helper enable
Mode Global Config
Command example:
(NETGEAR Switch)(config)#ip helper enable
no ip helper enable
Use the no form of this command to disable relay of all UDP packets.
Format
no ip helper enable
Mode Global Config

show ip helper-address

Use this command to display the IP helper address configuration. The argument
unit/slot/port corresponds to a physical routing interface or VLAN routing interface.
M6100 Series Switches
Routing Commands
699