D-Link xStack Reference Manual page 309

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xStack DGS-3120 Series Layer 3 Managed Gigabit Switch CLI Reference Guide
long.
relay - Specify to relay the packet to a IP address.
<ipaddr> - Enter the IP address used for this configuration here.
drop - Specify to drop the packet.
Restrictions
Only Administrator, Operator and Power-User level users can issue this command.
Example
To configure the DHCP relay option 61 function:
DGS-3120-24TC:admin#
44-55 drop
Command: config dhcp_relay option_61 add mac_address 00-11-22-33-44-55 drop
Success
DGS-3120-24TC:admin#
25-16 config dhcp_relay option_61 default
Description
This command is used to configure the default ruler for option 61.
Format
config dhcp_relay option_61 default [relay <ipaddr> | drop]
Parameters
relay - Specify to relay the packet that has no option matching 61 matching rules to an IP
address.
<ipaddr> - Enter the IP address used for this configuration here.
drop - Specify to drop the packet that have no option 61 matching rules.
Restrictions
Only Administrator, Operator and Power-User level users can issue this command.
Example
To configure the DHCP relay option 61 function:
DGS-3120-24TC:admin# config dhcp_relay option_61 default drop
Command: config dhcp_relay option_61 default drop
Success
DGS-3120-24TC:admin#
config dhcp_relay option_61 add mac_address 00-11-22-33-
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