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DELL 6024 User Manual

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Configuring System Information
165
4
Click Apply Changes. 
The DHCP Server is added to the DHCP Relay Table.
Modifying a UDP Relay Table Entry
 
NOTE: 
If UDP relay is enabled, but no UDP port number is specified, the device by default forwards UDP 
Broadcast packets for the following services: IEN-116 Name Service (port 42), DNS (port 53), NetBIOS 
Name Server (port 137), NetBIOS Datagram Server (port 138), TACACS Server (port 49), and Time Service 
(port 37)
1
Open the UDP Relay page. 
2
Define the fields.
3
Click Apply Changes. 
The UDP entry is added to the UDP Relay Table, and the device is updated.
Deleting a UDP Relay Table Entry
1
Open the UDP Relay page.
2
Click Show All to display the UDP Relay Table page.
3
Select a UDP Relay server and check Remove.
4
Click Apply Changes. 
The entry is deleted, and the device is updated.
Configuring the UDP Relay Table Using CLI Commands
The following table contains the CLI command for configuring the UDP Relay. 
The following is an example of the CLI command: 
Console (config-ip)# 
helper-address
 172.16.9.9 49 53
Table 6-27.
UDP Relay CLI Commands
CLI Command
Description
helper-address 
address
 
[
udp-port-list
] 
Enables forwarding User Datagram Protocol 
(UDP) Broadcasts received on an interface.
This command does not enable forwarding 
packets using BOOTP/DHCP. To forward 
packets using BOOTP/DHCP, use the ip dhcp 
relay enable, ip dhcp relay address and show 
ip dhcp relay commands. For information 
about these commands, see Defining DHCP 
Relay Parameters.