D-Link DGS-1510/ME Series Reference Manual page 204

DGS-1510/ME Series Metro Ethernet Switch CLI Reference Guide
Example
To display DHCP relay rulers for option 61:
DGS-1510-28XMP/ME:admin# show dhcp_relay option_61
Command: show dhcp_relay option_61
Default Relay Rule:Drop
Matching Rules:
Client-ID
-----------
00-11-22-33-44-55
Total Entries : 1
DGS-1510-28XMP/ME:admin#
Type
----
MAC Address
200
Relay Rule
---------
Drop