Код:
Firmware: Build 2.63.B005
Copyright(C) 2014 D-Link Corporation. All rights reserved.
DGS-3620-28SC:admin#show dhcp_relay
Command: show dhcp_relay
: Enabled
DHCP/BOOTP Relay Unicast Status : Enabled
DHCP/BOOTP Hops Count Limit : 4
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 : Enabled
DHCP Relay Agent Information Option 82 Policy : Replace
DHCP Relay Agent Information Option 82 Remote ID : default
DHCP Relay Agent Information Option 82 Circuit ID : default
Interface Server 1 Server 2 Server 3 Server 4
------------ --------------- --------------- --------------- ---------------
users 10.110.0.2
При таких настройках отбрасываются все dhcp запросы с ЛЮБЫХ вланов с опцией 82
Спасает ситуацию только "disable dhcp_relay"