Configuring Dhcp Local Server To Preserve Subscriber Binding Information - Juniper ACX1000 Configuration Manual

ACX Series Universal Access Router Configuration Guide
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Configuring DHCP Local Server to Preserve Subscriber Binding Information

340
hours) to backup the file. By default, a new file is generated every 24 hours from the
commit time. On committing the
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.
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
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:
Specify that you want to configure the DHCP local server.
1.
[edit system services]
user@host# edit dhcp-local-server
Enable persistent storage.
2.
[edit system services dhcp-local-server]
user@host# set persistent-storage automatic
statement, the existing file will be
persistent-storage
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