ZyXEL Communications IES-5005 - Manual (Page 92)

IES-5000/5005/6000 Support Notes
91
Select DHCP Option in the Keywords field.
A configuration screen displays. Set the fields in the screen as shown.
Select 82 Relay Agent Information under the Option number field. Enter 1 in the
Sub-option field and select the Binary data type.
For port 25, VLAN 1, option string “5000”, enter “0019000131323438” as the key
value and click OK. Note that the first two bytes define the port number, the second
two bytes define the VLAN ID and the subsequent bytes indicate the Option82 string.
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