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.
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