3Com 5500-EI PWR, Справочное руководство

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auto : Specifies the auto refreshing interval, which is automatically calculated according to the number
of binding entries.
Description
The default handshake interval is auto , the value of 60 seconds divided by the number of binding
entries.
Use the dhcp-security tracker command to set the interval at which the DHCP relay agent refreshes
dynamic binding entries.
Use the undo dhcp-security tracker command to restore the default interval.
By default, the refreshing interval is automatically calculated according to the number of binding
entries.
Examples
# Enter system view.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
# Set the interval to refresh dynamic binding entries to 60 seconds.
[Sysname] dhcp-security tracker 60
dhcp-server
Syntax
dhcp-server groupNo
undo dhcp - server
View
VLAN interface view
Parameters
groupNo : DHCP server group number. This argument ranges from 0 to 19.
Description
Use the dhcp-server command to map the current VLAN interface to a DHCP server group.
Use the undo dhcp-server command to cancel the mapping.
Note that:
z
A DHCP server group can correspond to multiple interfaces, while an interface can only be
correlated with one DHCP server group.
z
If you execute the dhcp-server command repeatedly, the latest configuration will overwrite the
previous one.
z
Before referencing a DHCP server group, you need to use the dhcp-server groupNo ip
ip-address &<1-8> command to configure the DHCP server group.
Related commands: dhcp-server ip , display dhcp-server , display dhcp-server interface
vlan-interface .