xStack® DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch CLI Reference Guide
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DES-3528:admin# config dhcp_relay option_82 check enable
Command: config dhcp_relay option_82 check enable
Success.
DES-3528:admin#
config dhcp_relay option_82 policy
Purpose
Used to configure the reforwarding policy of relay agent information option 82 of the Switch.
Syntax
config dhcp_relay option_82 policy [replace | drop | keep]
Description
This command is used to configure the reforwarding policy of DHCP relay agent information
option 82 of the Switch.
Parameters
replace
−
The option 82 field will be replaced if the option 82 field already exists in the packet
received from the DHCP client.
drop
−
The packet will be dropped if the option 82 field already exists in the packet received
from the DHCP client.
keep
−
The option 82 field will be retained if the option 82 field already exists in the packet
received from the DHCP client. The default setting is replace.
Restrictions
Only Administrator and Operator and Power-User-level users can issue this command.
Example usage:
To configure DHCP relay option 82 policy:
DES-3528:admin# config dhcp_relay option_82 policy replace
Command: config dhcp_relay option_82 policy replace
Success.
DES-3528:admin#
config dhcp_relay option_82 remote_id
Purpose
Used to configure the content in Remote ID suboption.
Syntax
config dhcp_relay option_82 remote_id [default | user_define <desc 32>]
Description
This command is used to configure the content in Remote ID suboption.
Parameters
default
−
Uses the Switch’s system MAC address as the remote ID.
User_define <desc 32>
−
Uses user-defined string as the remote ID. Space is allowed in the
string.
Restrictions
Only Administrator and Operator and Power-User-level users can issue this command.
Example usage:
To configure DHCP relay option 82 remote ID:
DES-3528:admin# config dhcp_relay option_82 remote_id user_define D-Link L2 Switch
Command: config dhcp_relay option_82 remote_id user_define D-Link L2 Switch
Success.
DES-3528:admin#