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overrides (DHCP Local Server)

date_range 20-Nov-23

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Syntax

asymmetric-lease-time seconds;
    asymmetric-prefix-lease-time seconds;
    client-discover-match <option60-and-option82 | incoming-interface>;
    client-negotiation-match incoming-interface;
    delay-advertise {
        based-on (option-15 | option-16 | option-18 | option-37) {
            equals {
                ascii ascii-string;
                hexadecimal hexadecimal-string;
            }
            not-equals {
                ascii ascii-string;
                hexadecimal hexadecimal-string;
            }
            starts-with {
                ascii ascii-string;
                hexadecimal hexadecimal-string;
            }
        }
        delay-time seconds;
    }
    delay-offer {
        based-on (option-60 | option-77 | option-82) {
            equals {
                ascii ascii-string;
                hexadecimal hexadecimal-string;
            }
            not-equals {
                ascii ascii-string;
                hexadecimal hexadecimal-string;
            }
            starts-with {
                ascii ascii-string;
                hexadecimal hexadecimal-string;
            }
        }
        delay-time seconds;
    }
    delegated-pool;
    delete-binding-on-renegotiation;
    dual-stack dual-stack-group-name;
    include-option-82 {
        forcerenew;
        nak;
    }
    interface-client-limit number;
    multi-address-embedded-option-response;
    process-inform {
        pool pool-name;
    }
    protocol-attributes attribute-set-name;
    rapid-commit;
}

Hierarchy Level

[edit system services dhcp-local-server],
[edit system services dhcp-local-server dhcpv6],
[edit system services dhcp-local-server dhcpv6 group group-name],
[edit system services dhcp-local-server dhcpv6 group group-name interface interface-name],
[edit system services dhcp-local-server group group-name],
[edit system services dhcp-local-server group group-name interface interface-name],
[edit logical-systems logical-system-name routing-instances routing-instance-name system services dhcp-local-server ...],
[edit logical-systems logical-system-name system services dhcp-local-server ...],
[edit routing-instances routing-instance-name system services dhcp-local-server ...]

Description

Override the default configuration settings for the extended DHCP local server. Specifying the overrides statement with no subordinate statements removes all DHCP local server overrides at that hierarchy level.

To override global DHCP local server configuration options, include the overrides statement and its subordinate statements at the [edit system services dhcp-local-server] hierarchy level.
To override configuration options for a named group of interfaces, include the statements at the [edit system services dhcp-local-server group group-name] hierarchy level.
To override configuration options for a specific interface within a named group of interfaces, include the statements at the [edit system services dhcp-local-server group group-name interface interface-name] hierarchy level.
Use the [edit system services dhcp-local-server dhcpv6] hierarchy level to override DHCPv6 configuration options.

Note:

By default, jdhcp does not process DHCPINFORM message. Only after you enable the overrides command using the set system services dhcp-local-server overrides process-inform statement, jdhcp starts processing the DHCPINFORM message.

The remaining statements are explained separately. Search for a statement in CLI Explorer or click a linked statement in the Syntax section for details.

The interface-client-limit statement is not supported in the [edit system services dhcp-local-server dhcpv6] hierarchy level.

The asymmetric-prefix-lease-time, delegated-pool, multi-address-embedded-option-response, and rapid-commit statements are supported in the [edit system services dhcp-local-server dhcpv6 ...] hierarchy level only.

Required Privilege Level

system—To view this statement in the configuration.

system-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Release 9.2.

Support for the allow-no-end option introduced in Junos OS Release 14.1X53-D15 for EX Series switches.

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overrides (DHCP Local Server)

Syntax

Hierarchy Level

Description

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Release Information

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Junos CLI Reference

ON THIS PAGE

overrides (DHCP Local Server)

Syntax

Hierarchy Level

Description

Required Privilege Level

Release Information

Related Documentation

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