Configuring Dhcp Binding Auto Backup; Configuring Address Pool Usage Alarming - HPE FlexNetwork MSR Series Comware 7 Layer 3 - Ip Services Configuration Manuals

Configuring DHCP binding auto backup

The auto backup feature saves bindings to a backup file and allows the DHCP server to download
the bindings from the backup file at the server reboot. The bindings include the lease bindings and
conflicted IP addresses. They cannot survive a reboot on the DHCP server.
The DHCP server does not provide services during the download process. If a connection error
occurs during the process and cannot be repaired in a short amount of time, you can terminate the
download operation. Manual interruption allows the DHCP server to provide services without waiting
for the connection to be repaired.
To configure DHCP binding auto backup:
Step
1. Enter system view.
2. Configure the DHCP server to
back up the bindings to a file.
3. (Optional.) Manually save the
DHCP bindings to the backup
file.
4. (Optional.) Set the waiting
time after a DHCP binding
change for the DHCP server
to update the backup file.
5. (Optional.) Terminate the
download of DHCP bindings
from the backup file.

Configuring address pool usage alarming

Perform this task to set the threshold for address pool usage alarming. When the threshold is
exceeded, the system sends log messages to the information center. According to the log
information, you can optimize the address pool configuration. For more information about the
information center, see Network Management and Monitoring Configuration Guide.
To configure address pool usage alarming:
Step
1. Enter system view.
2. Create a DHCP address pool
and enter its view.
3. Set the threshold for address
pool usage alarming.
Command
system-view
dhcp server database filename
{ filename | url url [ username
username [ password { cipher |
simple } string ] ] }
dhcp server database update
now
dhcp server database update
interval interval
dhcp server database update
stop
Command
system-view
dhcp server ip-pool pool-name
ip-in-use threshold
threshold-value
57
Remarks
N/A
By default, the DHCP server
does not back up the DHCP
bindings.
With this command executed,
the DHCP server backs up its
bindings immediately and runs
auto backup.
N/A
The default waiting time is 300
seconds.
If no DHCP binding changes,
the backup file is not updated.
N/A
Remarks
N/A
By default, no DHCP address
pool exists.
The default threshold is 100%.