C613-50170-01 Rev B
Command Reference for x510 Series
786
AlliedWare Plus™ Operating System - Version 5.4.7-1.x
IP A
DDRESSING
AND
P
ROTOCOL
C
OMMANDS
IP
FORWARD
-
PROTOCOL
UDP
ip forward-protocol udp
Overview
This command enables you to control which UDP broadcasts will be forwarded to
the helper address(es). A UDP broadcast will only be forwarded if the destination
UDP port number in the packet matches one of the port numbers specified using
this command.
Refer to the IANA site (
) for a list of assigned UDP port numbers for
protocols to forward using
ip forward-protocol udp
.
Use the
no
variant of this command to remove a port number from the list of
destination port numbers that are used as the criterion for deciding if a given UDP
broadcast should be forwarded to the IP helper address(es).
Syntax
ip forward-protocol udp <
port
>
no ip forward-protocol udp <
port>
Default
The
ip forward-protocol udp
command is not enabled by default.
Mode
Global Configuration
Usage
Combined with the
command in interface mode, the
ip
forward-protocol udp
command in Global Configuration mode allows control of
which protocols (destination port numbers) are forwarded. The
ip
forward-protocol udp
command configures protocols for forwarding, and the
ip
helper-address
command configures the destination address(es).
NOTE
:
The types of UDP broadcast packets that the device will forward are ONLY those
specified by the
ip forward-protocol
command(s). There are no other UDP packet
types that the IP helper process forwards by default.
NOTE
:
The
ip forward-protocol udp
command does not support BOOTP / DHCP Relay. The
ip dhcp-relay
command must be used instead. For this reason, you may not configure
UDP ports 67 and 68 with the
ip forward-protocol udp
command.
IP Feature Overview and Configuration Guide
DNS Relay.
Examples
To configure forwarding of packets on a UDP port, use the following commands:
awplus#
configure terminal
awplus(config)#
ip forward-protocol udp <
port
>
Parameter
Description
<
port
>
UDP Port Number.