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Udp helper configuration, Ip forward-protocol udp, Table 194: udp helper commands – LevelOne GTL-2691 User Manual

Page 1403: Udp h

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C

HAPTER

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| IP Interface Commands

IPv4 Interface

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UDP H

ELPER

C

ONFIGURATION

User Datagram Protocol (UDP) Helper allows host applications to forward

UDP broadcast packets from this switch to another part of the network.

This section describes the commands used to configure UDP Helper.

ip forward-protocol

udp

This command specifies the UDP destination ports for which broadcast

traffic will be forwarded when the UDP helper is enabled. Use the no form

to remove a UDP port from the forwarding list.

S

YNTAX

[no] ip forward-protocol udp destination-port

destination-port - UDP application port for which UDP service

requests are forwarded. (Range: 1-65535)

D

EFAULT

S

ETTING

The following UDP ports are included in the forwarding list when UDP

helper is enabled with the

ip helper

command, and a remote server

address is configured with the

ip helper-address

command:

BOOTP client

port 67

BOOTP server

port 68

Domain Name Service

port 53

IEN-116 Name Service

port 42

NetBIOS Datagram Server

port 138

NetBIOS Name Server

port 137

NTP port

37

TACACS service

port 49

TFTP port

69

C

OMMAND

M

ODE

Global Configuration

C

OMMAND

U

SAGE

Up to 100 UDP ports can be specified with this command for forwarding to

one or more remote servers.

Table 194: UDP Helper Commands

Command

Function

Mode

ip forward-protocol udp

Specifies the UDP destination ports for which

broadcast traffic will be forwarded

GC

ip helper

Enables UDP helper globally on the switch

GC

ip helper-address

Specifies the servers to which designated UDP protocol

packets are forwarded

IC

show ip helper

Displays configuration settings for UDP helper

PE