Juniper EX3400 Features Manual
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Brand: Juniper
Category: Network Router , Switch
Type: Features manual
Model: Juniper EX2300 , Juniper EX4300 , Juniper EX3400
Pages: 476
For DHCPv6:
[edit system services dhcp-local-server dhcpv6 group group-name]
user@host# set reconfigure
3. (Optional) Configure an authentication token. The DHCP local server then includes
this token inside the authentication option when it sends forcerenew or reconfigure
messages. If the service provider has previously configured the DHCP client with this
token, then the client can compare that token against the newly received token, and
reject the message if the tokens do not match. This functionality corresponds to RFC
3118, Authentication for DHCP Messages, section 4.
a. For all clients:
For DHCPv4:
[edit system services dhcp-local-server reconfigure]
user@host# set token token-value
For DHCPv6:
[edit system services dhcp-local-server dhcpv6 reconfigure]
user@host# set token token-value
b. For only the DHCP clients serviced by a group of interfaces:
For DHCPv4:
[edit system services dhcp-local-server group-name reconfigure]
user@host# set token token-value
For DHCPv6:
[edit system services dhcp-local-server dhcpv6 group group-name reconfigure]
user@host# set token token-value
4. For the DHCPv6 server only, you can include the strict statement. By default, the server
accepts solicit messages from clients that do not support server-initiated
reconfiguration. Including this statement causes the server to discard solicit messages
from nonsupporting clients; consequently the server does not bind these clients.
For all DHCPv6 clients:
[edit system services dhcp-local-server dhcpv6 reconfigure]
user@host# set strict
For only the DHCPv6 clients serviced by a group of interfaces:
[edit system services dhcp-local-server dhcpv6 group group-name reconfigure]
user@host# set strict
5. (Optional) Configure how the server attempts reconfiguration.
See “Configuring Dynamic Reconfiguration Attempts for DHCP Clients” on page 117.
6. (Optional) Configure the response to a failed reconfiguration.
115Copyright © 2017, Juniper Networks, Inc.
Chapter 9: Forcing Dynamic Reconfiguration of Clients from a DHCP Local Server