Juniper ACX2000

hours) to backup the file. By default, a new file is generated every 24 hours from the
commit time. On committing the persistent-storage statement, the existing file will be
renamed with a new file in the /var/preserve directory.
NOTE: A commit error will be shown if you try to configure the file with a
name that is already present in the /var/preserve directory.
Related
Documentation
Use of DHCP Option 50 to Request a Specific IP Address on page 324•
• Configuring the Router to Maintain DHCP Subscribers During Interface Delete Events
on page 338
• Understanding Dynamic Reconfiguration of Extended DHCP Local Server Clients on
page 341
• Configuring Dynamic Reconfiguration of DHCP Clients to Avoid Extended Outages Due
to Server Configuration Changes on page 344
• Configuring Dynamic Reconfiguration Attempts for DHCP Clients on page 345
• Configuring Deletion of the Client When Dynamic Reconfiguration Fails on page 346
• Requesting DHCP Local Server to Initiate Reconfiguration of Client Bindings on page 347
• Enabling MAC Address Filtering on page 350
• Clearing DHCP Bindings for Subscriber Access on page 348
• Verifying and Managing DHCP Local Server Configuration on page 349
• Verifying and Managing the DHCP Maintain Subscribers Feature on page 339
• Configuring a DHCP Client on page 360
• Configuring DHCP Local Server to Preserve Subscriber Binding Information on page 340
Configuring DHCP Local Server to Preserve Subscriber Binding Information
You can configure a DHCP local server to preserve subscriber binding information so that
subscriber information is not lost upon router reboot. The configuration is a global setting
for each routing instance.
To configure the DHCP local server to store subscriber binding information:
1. Specify that you want to configure the DHCP local server.
[edit system services]
user@host# edit dhcp-local-server
2. Enable persistent storage.
[edit system services dhcp-local-server]
user@host# set persistent-storage automatic
Copyright © 2017, Juniper Networks, Inc.340
ACX Series Universal Access Router Configuration Guide