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Home Documentation Junos OS Junos CLI Reference CLI Reference D

Junos CLI Reference

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Junos CLI Reference
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dhcp-client

date_range 19-Nov-23
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Syntax

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dhcp-client {
    client-identifier {
        prefix {
            host-name;
            logical-system-name;
            routing-instance-name;
        }
        use-interface-description (device | logical);
        user-id (ascii string| hexadecimal string);
    }
    force-discover;
    lease-time (length | infinite);
    no-dns-install;
    options no-hostname;
    retransmission-attempt value;
    retransmission-interval seconds;
    server-address server-address;
    update-server;
    vendor-id vendor-id ;
}

Hierarchy Level

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[edit interfaces interface-name unit logical-unit-number family family]

Description

Configure the Dynamic Host Configuration Protocol (DHCP) client.

Options

  • force-discover—Forces the DHCP client to send a DHCP discover packet after one to three failed dhcp-request attempts. The force-discover option ensures that the DHCP server will assign the same or a new IP address to the client.

  • lease-time—Specify the time to negotiate and exchange DHCP information.

    • infinite—Lease never expires.

    • length—Number of seconds.

  • no-dns-install—Do not add DNS information to the DHCP client (resolve.conf) even after learn from DHCP server

  • retransmission-attempt—Specify the number of times the device attempts to retransmit a DHCP packet fallback. Range is 0-6.

  • server-address—Specify the preferred DHCP server address that is sent to DHCP clients.

  • update-server—Propagate TCP/IP settings to a local DHCP server.

  • vendor-id—Vendor class ID for the DHCP client.

Required Privilege Level

interface—To view this statement in the configuration.

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

Release Information

Statement introduced in Junos OS Release 12.1X44-D10.

Starting with Junos OS Release 17.4R1 and Junos OS Release 15.1X49-D60, on all SRX Series Firewalls and vSRX Virtual Firewall instances, the CLI option dhcp-client at [edit interfaces interface-name unit logical-unit-number family inet] hierarchy is changed to dhcp to align with other Junos platforms. There is no change in the functionality.

Related Documentation

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