Juniper ACX1000 Configuration Manual page 440

ACX Series Universal Access Router Configuration Guide
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and the NAK is forwarded to the client. This behavior occurs regardless of whether
authentication is configured.
You can override the default configuration at the global level, for a named group of
interfaces, or for a specific interface within a named group. Overriding the default causes
DHCP relay, DHCP relay proxy, and DHCPv6 relay agent to drop all stray requests instead
of attempting to bind the clients.
NOTE: Automatic binding of stray requests is enabled by default.
To disable automatic binding behavior, include the
you configure DHCP overrides at the global, group, or interface level.
[edit forwarding-options dhcp-relay overrides]
user@host# set no-bind-on-request
To override the default behavior for DHCPv6 relay agent, configure the override at the
[edit forwarding-options dhcp-relay dhcpv6]
[edit forwarding-options dhcp-relay dhcpv6 overrides]
user@host# set no-bind-on-request
The following two examples show a configuration that disables automatic binding of
stray requests for a group of interfaces and a configuration that disables automatic
binding on a specific interface.
To disable automatic binding of stray requests on a group of interfaces:
Specify the named group.
1.
[edit forwarding-options dhcp-relay]
user@host# edit group boston
Specify that you want to configure overrides.
2.
[edit forwarding-options dhcp-relay group boston]
user@host# edit overrides
Disable automatic binding for the group.
3.
[edit forwarding-options dhcp-relay group boston overrides]
user@host# set no-bind-on-request
To disable automatic binding of stray requests on a specific interface:
Specify the named group of which the interface is a member.
1.
[edit forwarding-options dhcp-relay]
user@host# edit group boston
Specify the interface on which you want to disable automatic binding.
2.
[edit forwarding-options dhcp-relay group boston]
no-bind-on-request statement when
hierarchy level.
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