D-Link DES-3010F Command Line Interface Manual page 59

config dhcp_relay delete
Purpose
Syntax
Description
Parameters
Restrictions
Example usage:
To delete a DHCP/BOOTP server to the relay table:
DES-3026:4# config dhcp_relay delete ipif System 10.43.21.12
Command: config dhcp_relay delete ipif System 10.43.21.12
Success.
DES-3026:4#
config dhcp_relay option82
Purpose
Syntax
Description
Parameters
Restrictions
DES-3000 Series Layer 2 Switch CLI Reference Manual
Used to delete one or all IP destination addresses from the switch's
DHCP relay table.
config dhcp_relay delete ipif <ipif_name 12> <ipaddr>
The config dhcp_relay delete command is used to delete one or all
of the IP destination addresses in the switch's relay table.
<ipif_name> – The name of the IP interface which contains the IP
address below.
<ipaddr > – The DHCP/BOOTP server IP address.
Only Administrator and Operator-level users can issue this
command.
Used to configure the processing of DHCP 82 option for the DHCP
relay function.
config dhcp_relay option_82 { state [enable|disable] | check
[enable|disable] | policy [replace|drop|keep] }
Configures the processing of DHCP 82 option for the DHCP relay
function.
state - When the state is enabled, the DHCP packet will be inserted
with the option 82 field before being relayed to the server. The
DHCP packet will be processed based on the behavior defined in
check and policy setting. When the state is disabled, the DHCP
packet will be relayed directly to server without further check and
processing on the packet. The default setting is disabled.
check - When the state is enabled, the packet comes from the client
side, the packet should not have an option 82 field. If the packet has
this option field, it will be dropped. For packets coming from the
server side, the packet should have the option 82 field. If the packet
does not have an option field or does not have the correct option
fields, the packet will be dropped. The default setting is disabled.
policy - Specifies the way to process the packet coming from the
client side which has the 82 option field, and it is not dropped when
the check function is disabled.

replace : replace the exiting option 82 field in the packet.

drop : discard if the packet has the option 82 field.

keep : retain the existing option 82 field in the packet.
The default setting is replace.
Only Administrator and Operator-level users can issue this
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