Netgear FSM7352S FSM7328PS Command line reference manual - Page 389
UDP Relay Show Commands
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Command Line Interface Reference for the ProSafe 7300S Series Layer-3 Stackable Switches, 19.1.2 ip helper-address (interface config mode) The ip helper-address interface configuration command enables forwarding User Datagram Protocol (UDP) Broadcast packets received on an interface. Many helper addresses can be defined. The maximum number of address-port pairs is up to 128 for the whole device. The helper-address interface configuration command forwards a specific UDP Broadcast from one interface to another. The helper-address interface configuration command specifies a UDP port number for which UDP Broadcast packets with that destination port number are forwarded. The helper-address interface configuration command does not enable forwarding of BOOTP/DHCP packets. To forward BOOTP/DHCP packets, use the bootpdhcprelay enable and bootpdhcprelay serverip global configuration commands and the show bootpdhcprelay privileged EXEC command. To disable forwarding Broadcast packets to specific addresses, use the no form of this command. Format ip helper-address ip-address [udp-port-list] no ip helper-address ip-address Parameters ip-address Destination broadcast or host address to be used when forwarding UDP broadcasts. You can specify 0.0.0.0 to indicate not to forward the UDP packet to any host and use "255.255.255.255" to broadcast the UDP packets to all hosts on the target subnet. udp-port-list The broadcast packet destination UDP port number to forward. If not specified, packets for the default services are forwarded to the helper address. Mode Interface Config 19.2 UDP Relay Show Commands This section shows the UDP Relay show command. 19.2.1 show ip helper-address The show ip helper-address privileged EXEC command displays the IP helper routing interface addresses configuration. Format show ip helper-address [intf-address] Mode Privileged Exec UDP Relay Commands v3.0, January 2008 19-3