Cisco 300 Series User Manual

IP Addressing Commands
463 OL-32830-01 Command Line Interface Reference Guide
22
Example
The following example enters the IP interface configuration mode.
switchxxxxxx(config)# interface ip 192.168.1.1
switchxxxxxx(config-ip)#
22.14 ip helper-address
Use the ip helper-address Global Configuration mode command to enable the
forwarding of UDP Broadcast packets received on an interface to a specific
(helper) address. Use the no form of this command to disable the forwarding of
broadcast packets to a specific (helper) address.
Syntax
ip helper-address {
ip-interface | all} address [ udp-port-list ]
no ip helper-address {
ip-interface | all} address
Parameters
• ip-interface —Specifies the IP interface.
• all—Specifies all IP interfaces.
• address —Specifies the destination broadcast or host address to which to
forward UDP broadcast packets. A value of 0.0.0.0 specifies that UDP
broadcast packets are not forwarded to any host.
• udp-port-list —Specifies the destination UDP port number to which to
forward Broadcast packets. (Range: 1–65535). This can be a list of port
numbers separated by spaces.
Default Configuration
Forwarding of UDP Broadcast packets received on an interface to a specific
(helper) address is disabled.
If udp-port-list is not specified, packets for the default services are forwarded to
the helper address.

Cisco 300 Series Specifications

General

Model	Cisco 300 Series
Category	Switch
Dimensions	Varies by model
Weight	Varies by model
Power over Ethernet (PoE)	Available on select models
Management	Web-based GUI, SNMP, CLI
VLANs	Up to 256
Security Features	ACLs, 802.1X, Port Security
Humidity	10% to 90% non-condensing
Ports	8, 16, 24, 48