Quick Reference Guide

614 IP Addressing Commands
FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\CLI Folders\Dell Contax
CLI\files\IP_Addressing.fm
DELL CONFIDENTIAL – PRELIMINARY 5/15/12 - FOR PROOF ONLY
default, 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)
Example
The following example enables the forwarding of User Datagram Protocol
(UDP) broadcasts received on all interfaces to specific UDP ports of a
destination IP address.
Console (config)#
ip helper-address all
172.16.9.9 49 53
show ip helper-address
Use the show ip helper-address Privileged EXEC mode command to display
the IP helper addresses configuration on the system.
Syntax
show ip helper-address
Parameters
This command has no arguments or key words.
Command Mode
Privileged EXEC mode