Dell PowerConnect 5548P System User's Manual page 255

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell
The following is an example of the CLI commands:
console (config)# ip helper-address all 172.16.9.9 49 53
console (config)# do show ip helper-address
Interface
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All
D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 1 1 / 1 2 - F O R P R O O F O N LY
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Dell PowerConnect 55xx Systems User Guide
Contax\CxUGSystemConfig.fm
Helper Address
172.16.9.9
UDP Ports
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49,53