3Com 5500-EI PWR, Справочное руководство

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# Configure the DHCP relay agent handling strategy for messages containing Option 82 sent by the
DHCP client as drop .
[Sysname] dhcp relay information strategy drop
dhcp-security static
Syntax
dhcp-security static ip-address mac - address
undo dhcp-security { ip-address | all | dynamic | static }
View
System view
Parameters
ip-address : User IP address.
mac-address : User MAC address.
all : Removes all user address entries.
dynamic : Removes dynamic user address entries.
static : Removes static user address entries.
Description
Use the dhcp-security static command to configure a static DHCP address binding entry.
Use the undo dhcp-security command to remove one or all address binding entries, or all address
binding entries of a specified type.
Related commands: display dhcp-security .
Examples
# Enter system view.
<Sysname> system-view
System View: return to User View with Ctrl+Z
# Configure a static address binding entry, with the IP address being 1.1.1.1 and the MAC address
being 0005-5D02-F2B3.
[Sysname] dhcp-security static 1.1.1.1 0005-5D02-F2B3
dhcp-security tracker
Syntax
dhcp-security tracker { interval | auto }
undo dhcp-security tracker [ interval ]
View
System view
Parameters
interval : Refreshing interval in seconds, in the range of 1 to 120.