on-demand-address-allocation
Syntax
Hierarchy Level
Release Information
Statement introduced in Junos OS Release 17.3R1.
Description
Enables an address or prefix to be allocated on demand when a dual-stack subscriber session is established. Starting in Junos OS Release 18.1R1, when reauthentication is configured, enables per-family address allocation as each family’s DHCP session is established. In earlier released, applies only to the second family of the dual stack.
You must configure on-demand-address-allocation if you also configure reauthentication for dual-stack, single-session DHCP subscribers. This is true whether you enable reauthentication with the reauthenticate statement or the Reauthenticate-On-Renew VSA (26-206).
Required Privilege Level
system—To view this statement in the configuration.
system-control—To add this statement to the configuration.
Related Documentation
RADIUS Reauthentication As an Alternative to RADIUS CoA for DHCP Subscribers
Configuring Access Profile Options for Interactions with RADIUS Servers
Attaching Access Profiles to DHCP Subscriber Interfaces or DHCP Client Interfaces
Configuring Access Components for the DHCP Layer 3 Wholesale Network Solution
Configuring Access Components for the PPPoE Wholesale Network Solution
Attaching Dynamic Profiles to DHCP Subscriber Interfaces or DHCP Client Interfaces