To view the interfaces and ports on which you enabled UDP helper, use the show ip udp-helpercommand from EXEC Privilege mode.Dell#show ip udp-helper--------------------------------------------------Port UDP port list--------------------------------------------------te 1/1 1000Configuring a Broadcast AddressTo configure a broadcast address, use the following command.• Configure a broadcast address on an interface.ip udp-broadcast-addressExamples of Configuring and Viewing a Broadcast AddressDell(conf-if-vl-100)#ip udp-broadcast-address 1.1.255.255Dell(conf-if-vl-100)#show config!interface Vlan 100ip address 1.1.0.1/24ip udp-broadcast-address 1.1.255.255untagged GigabitEthernet 1/2no shutdownTo view the configured broadcast address for an interface, use show interfaces command.R1_E600(conf)#do show interfaces vlan 100Vlan 100 is up, line protocol is downAddress is 00:01:e8:0d:b9:7a, Current address is 00:01:e8:0d:b9:7aInterface index is 1107787876Internet address is 1.1.0.1/24IP UDP-Broadcast address is 1.1.255.255MTU 1554 bytes, IP MTU 1500 bytesLineSpeed autoARP type: ARPA, ARP Timeout 04:00:00Last clearing of "show interface" counters 00:07:44Queueing strategy: fifoInput Statistics:0 packets, 0 bytesTime since last interface status change: 00:07:44Configurations Using UDP HelperWhen you enable UDP helper and the destination IP address of an incoming packet is a broadcastaddress, Dell Networking OS suppresses the destination address of the packet.The following sections describe various configurations that employ UDP helper to direct broadcasts.• UDP Helper with Broadcast-All Addresses• UDP Helper with Subnet Broadcast Addresses• UDP Helper with Configured Broadcast Addresses• UDP Helper with No Configured Broadcast AddressesIPv4 Routing 375
