D-Link xStack DGS-3420 Series - Page 294

xStack® DGS-3420 Series Layer 2 Managed Stackable Gigabit Switch CLI Reference Guide
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21-9 config dhcp_relay option_61 default
Description
This command is used to determine the rule to process those packets that have no Option 61
matching rules. The default default-rule is drop.
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 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 Option 61 default action to drop:
DGS-3420-28SC:admin#config dhcp_relay option_61 default drop
Command: config dhcp_relay option_61 default drop
Success.
DGS-3420-28SC:admin#
21-10 config dhcp_relay option_61 delete
Description
This command is used to delete Option 61 rules.
Format
config dhcp_relay option_61 delete [mac_address <macaddr> | string <desc_long 255> | all]
Parameters
mac_address - The entry with the specified MAC address will be deleted
<macaddr> - Enter the MAC address here.
string - The entry with the specified string will be deleted.
<desc_long 255> - The string value can be up to 255 characters long.
all - All rules excluding the default rule will be deleted.