Configuring Dynamic Reconfiguration Of Dhcp Clients To Avoid Extended Outages Due To Server Configuration Changes - Juniper ACX1000 Configuration Manual

ACX Series Universal Access Router Configuration Guide
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Configuring Dynamic Reconfiguration of DHCP Clients to Avoid Extended Outages Due
to Server Configuration Changes
344
Table 39: Action Taken for Events That Occur During a
Reconfiguration (continued)
Event
Server receives a release or decline message from
the client.
The client lease times out.
The clear dhcp server binding
The request dhcp server reconfigure
command is issued.
DHCP restart occurs.
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
The DHCP local server can initiate reconfiguration of its clients to avoid extended outages
because of server configuration changes. In addition to requesting that the DHCP local
server initiate reconfiguration, you can specify the reconfiguration behavior.
To configure dynamic reconfiguration of DHCP clients:
Enable dynamic reconfiguration with default values for all clients.
1.
[edit system services dhcp-local-server]
user@host# set reconfigure
(Optional) Override the global configuration for a particular group of clients.
2.
[edit system services dhcp-local-server group-name]
user@host# set reconfigure
(Optional) Configure how the server attempts reconfiguration.
3.
See "Configuring Dynamic Reconfiguration Attempts for DHCP Clients" on page
(Optional) Configure the response to a failed reconfiguration.
4.
Action
Server deletes client.
Server deletes client.
command is issued. Server deletes client.
(DHCPv4) Command is ignored.
Reconfiguration process is halted.
Copyright © 2017, Juniper Networks, Inc.
345.