Dell PowerConnect 6024 Command Line Interface (CLI) Guide (.htm) - Page 168
helper-address, NetBIOS Datagram Server port 138
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www.dell.com | support.dell.com Example Console(config)#ip helper address 100.10.1.1 helper-address The helper-address interface configuration command enables forwarding User Datagram Protocol (UDP) Broadcast packets received on an interface. To disable forwarding Broadcast packets to specific addresses, use the no form of this command. Syntax helper-address address [udp-port-list] no helper-address address • address-Destination Broadcast or host address used when forwarding UDP broadcasts. • 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. Default Configuration Broadcast packets forwarding to specific addresses is disabled. If no UDP port number is specified, the device forwards UDP Broadcast packets for the following six services: • IEN-116 Name Service (port 42) • DNS (port 53) • NetBIOS Name Server (port 137) • NetBIOS Datagram Server (port 138) • TACACS Server (port 49) • Time Service (port 37) Command Mode IP Interface Configuration mode User Guidelines 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. 168 IP Addressing Commands