Network Router User Manual

Chapter 7: DHCP Configuration Guide
70 SmartSwitch Router User Reference Manual
Configuring DHCP Server Parameters
You can configure several “global” parameters that affect the behavior of the DHCP server
itself.
To configure global DHCP server parameters, enter the following commands in Configure
mode:
Updating the Lease Database
After each client transaction, the DHCP server does not immediately update the
information in the lease database. Lease update information is stored in flash memory and
flushed to the database at certain intervals. You can use the dhcp global set commit-
interval command to specify this interval; the default is one hour.
To force the DHCP server to immediately update its lease database, enter the following
command in Enable mode:
Monitoring the DHCP Server
To display information from the lease database:
To display the number of allocated bindings for the DHCP server and the maximum
number allowed::
Specify a remote location to back up
the lease database.
dhcp global set lease-database <url>
Specify the intervals at which the
lease database is updated.
dhcp global set commit-interval <hours>
Force the server to update its lease
database.
dhcp flush
Show lease database information.
dhcp show binding
[active|expired|static]
Show the number of allocated
bindings for the DHCP server.
dhcp show num-clients