Configuring Dynamic Reconfiguration Attempts For Dhcp Clients - Juniper EX3400 Features Manual
Dhcp and other system services feature guide
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Configuring Dynamic Reconfiguration Attempts for DHCP Clients
Copyright © 2017, Juniper Networks, Inc.
Chapter 9: Forcing Dynamic Reconfiguration of Clients from a DHCP Local Server
For DHCPv4:
user@host> request dhcp server reconfigure 192.168.27.3
For DHCPv6:
user@host> request dhcpv6 server reconfigure 2001:db8:1111:2222::
Specify the client ID of a DHCPv6 client.
user@host> request dhcpv6 server reconfigure
LL_TIME0x1-0x2e159c0-00:10:94:00:00:02
Specify the session ID of a DHCPv6 client.
user@host> request dhcpv6 server reconfigure 5
Specify the MAC address of a DHCPv4 client.
user@host> request dhcp server reconfigure 00:00:5E:00:53:67
Specify an interface; reconfiguration is attempted for all clients on this interface.
user@host> request dhcp server reconfigure interface fe-0/0/0.100
Specify a logical system; reconfiguration is attempted for all clients or the specified
clients in this logical system.
user@host> request dhcp server reconfigure all logical-system ls-bldg5
Specify a routing instance; reconfiguration is attempted for all clients or the specified
clients in this routing instance.
user@host> request dhcp server reconfigure all routing-instance ri-boston
Configuring Dynamic Client Reconfiguration of Extended Local Server Clients on page 114
request dhcp server reconfigure on page 362
You can configure how many attempts the local server makes to initiate reconfiguration
of the DHCP client by sending forcerenew or reconfigure messages. You can also specify
how long the server waits between attempts. By default, eight attempts are made and
the initial interval is two seconds.
Each successive attempt doubles the interval between attempts. For example, if the first
value is 2, the first retry is attempted 2 seconds after the first attempt fails. The second
retry is attempted 4 seconds after the first retry fails. The third retry is attempted 8
seconds after the second retry fails, and so on. A group configuration takes precedence
over a DHCP local server configuration.
(Optional) To configure DHCP local server reconfiguration behavior for all DHCP clients:
Specify the number of reconfiguration attempts.
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