Dell Z9500 Reference Manual page 881

To disable the UDP broadcast on a port, use the no ip udp-helper udp-port
[udp-port-list] command.
Parameters
udp-port-list
Defaults none
Command INTERFACE (config-if)
Modes
Command
This guide is platform-specific. For command information about other platforms,
History
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version
9.2(1.0)
8.3.19.0
8.3.11.1
8.3.7.0
8.3.7.0
Usage
If you configure the ip helper-address command and ip udp-helper udp-
Information
port command, the behavior is that the UDP broadcast traffic with port numbers
67/68 is unicast relayed to the DHCP server per the ip helper-address
configuration. This occurs regardless if the ip udp-helper udp-port command
contains port numbers 67/68 or not.
If you only configure the ip udp-helper udp-port command, all the UDP
broadcast traffic is flooded, including ports 67/68 traffic if those ports are part of
the udp-port-list.
Related
ip helper-address
Commands
DHCP server.
debug ip udp-helper
console.
show ip udp-helper
Interfaces
(OPTIONAL) Enter up to 16 comma-separated UDP port
numbers.
NOTE: If you do not use this option, all UDP ports are
considered by default.
Description
Introduced on the Z9500.
Introduced on the S4820T.
Introduced on the Z9000.
Introduced on the S4810.
Introduced on the E-Series ExaScale.
— configures the destination broadcast or host address for the
— enables debug and displays the debug information on a
— displays the configured UDP helpers on all interfaces.
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