DGS-3120-24SC:admin#show dhcp_relay
Command: show dhcp_relay

DHCP/BOOTP Relay Status         : Enabled
DHCP/BOOTP Hops Count Limit     : 16
DHCP/BOOTP Relay Time Threshold : 0
DHCP Vendor Class Identifier Option 60 State: Disabled
DHCP Client Identifier Option 61 State: Disabled
DHCP Relay Agent Information Option 82 State  : Enabled
DHCP Relay Agent Information Option 82 Check  : Disabled
DHCP Relay Agent Information Option 82 Policy : Keep
DHCP Relay Agent Information Option 82 Remote ID : Artema1

Interface    Server 1        Server 2        Server 3        Server 4
------------ --------------- --------------- --------------- ---------------

Server           VLAN ID List
---------------  -----------------------------------------------------------
192.168.20.1    227,901-940,1064,1081,1114,1118,1121,1125,1130,1200-1501,1531-1
554,1700-1800,
1911-1916,2001-2800,3201,3601-3610


DGS-3120-24SC:admin#

Command: show switch

Device Type                : DGS-3120-24SC Gigabit Ethernet Switch
Unit ID                    : 1
MAC Address                : 34-08-04-C4-D7-83
IP Address                 : 192.168.20.4 (Manual)
VLAN Name                  : management
Subnet Mask                : 255.255.255.0
Default Gateway            : 192.168.20.1
Boot PROM Version          : Build 2.00.003
Firmware Version           : Build 2.50.B022
Hardware Version           : A1
Firmware Type              : EI
Serial Number              : P4XD1B5000476
System Name                :
System Location            :
System Uptime              : 0 days, 10 hours, 22 minutes, 53 seconds

# AAA ADMIN PWD END

# DHCP_RELAY

enable dhcp_relay
config dhcp_relay hops 16 time 0
config dhcp_relay option_82 state enable
config dhcp_relay option_82 check disable
config dhcp_relay option_82 policy keep
 config dhcp_relay option_82 remote_id user_define
config dhcp_relay option_60 state disable
config dhcp_relay option_61 state disable
config dhcp_relay option_60 default mode drop
config dhcp_relay option_61 default drop
config dhcp_relay add vlanid 227 192.168.20.1
config dhcp_relay add vlanid 901-940 192.168.20.1
config dhcp_relay add vlanid 1064 192.168.20.1
config dhcp_relay add vlanid 1081 192.168.20.1
config dhcp_relay add vlanid 1114 192.168.20.1
config dhcp_relay add vlanid 1118 192.168.20.1
config dhcp_relay add vlanid 1121 192.168.20.1
config dhcp_relay add vlanid 1125 192.168.20.1
config dhcp_relay add vlanid 1200-1501 192.168.20.1
config dhcp_relay add vlanid 1700-1800 192.168.20.1
config dhcp_relay add vlanid 1911-1916 192.168.20.1
config dhcp_relay add vlanid 3201 192.168.20.1
config dhcp_relay add vlanid 3601-3610 192.168.20.1

# NDP

 Packet type  Action   Reason                        Count
 -----------  -------  ----------------------------  ---------
 server       forward  from trusted port              0
 client       forward  to trusted port                96
 server       drop     received on untrusted port     0
 server       drop     unauthorized server            0
 client       drop     destination on untrusted port  0
 client       drop     untrusted option 82 field      0
 client       drop     bad DHCP release request       0
 client       drop     failed verify MAC check        0