D-Link DIS-300G-12SW Industrial Gigabit Managed Switch with SFP slots

User Manual - Page 41

For DIS-300G-12SW.

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DIS-300G-12SW photo
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Command Descriptions
41
message won't be flooded for security considerations.
Disabled
: Disable DHCP relay mode operation.
Relay Server Indicates the DHCP relay server IP address.
Relay Information Mode Indicates the DHCP relay information mode option operation. The option 82 circuit ID
format as "[vlan_id][module_id][port_no]". The first four characters represent the
VLAN ID, the fifth and sixth characters are the module ID(in standalone device it
always equal 0, in stackable device it means switch ID), and the last two characters
are the port number. For example, "00030108" means the DHCP message receive
form VLAN ID 3, switch ID 1, port No 8. And the option 82 remote ID value is equal
the switch MAC address.
Possible modes are:
Enabled: Enable DHCP relay information mode operation. When DHCP relay
information mode operation is enabled, the agent inserts specific information (option
82) into a DHCP message when forwarding to DHCP server and removes it from a
DHCP message when transferring to DHCP client. It only works when DHCP relay
operation mode is enabled.
Disabled
: Disable DHCP relay information mode operation.
Relay Information Policy Indicates the DHCP relay information option policy. When DHCP relay information
mode operation is enabled, if the agent receives a DHCP message that already
contains relay agent information it will enforce the policy. The 'Replace' policy is
invalid when relay information mode is disabled. Possible policies are:
Replace: Replace the original relay information when a DHCP message that already
contains it is received.
Keep: Keep the original relay information when a DHCP message that already
contains it is received.
Drop: Drop the package when a DHCP message that already contains relay
information is received.
Buttons
Click to save changes.
Click to undo any changes made locally and revert to previously saved values.
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