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interface (DHCP Relay Agent)

Syntax

Hierarchy Level

[edit forwarding-options dhcp-relay group group-name],[edit logical-systems logical-system-name forwarding-options dhcp-relay group group-name],[edit logical-systems logical-system-name routing-instances routing-instance-name forwarding-options dhcp-relay group group-name],[edit routing-instances routing-instance-name forwarding-options dhcp-relay group group-name]

Release Information

Statement introduced in JUNOS Release 8.3.

upto and exclude options introduced in JUNOS Release 9.1.

overrides option introduced in JUNOS Release 10.2.

Description

Specify one or more interfaces, or a range of interfaces, that are within a specified group on which the DHCP relay agent is enabled. You can repeat the interface interface-name statement to specify multiple interfaces within a group, but you cannot specify the same interface in more than one group. Also, you cannot use an interface that is being used by the DHCP local server.

Note: DHCP values are supported in Integrated Routing and Bridging (IRB) configurations. When you configure an IRB interface in a network that is using DHCP, the DHCP information (for example, authentication, address assignment, and so on) is propagated in the associated bridge domain. This enables the DHCP server to configure client IP addresses residing within the bridge domain. IRB currently only supports static DHCP configurations. For additional information about how to configure IRB, see the JUNOS MX Series Ethernet Services Routers Solutions Guide.

Options

exclude—Exclude an interface or a range of interfaces from the group. This option and the overrides option are mutually exclusive.

interface-name—The name of the interface. You can repeat this keyword multiple times.

overrides—Override the specified default configuration settings for the interface. The overrides statement is described separately.

upto-interface-name—The upper end of the range of interfaces; the lower end of the range is the interface-name entry. The interface device name of the upto-interface-name must be the same as the device name of the interface-name.

Required Privilege Level

interface—To view this statement in the configuration.

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


Published: 2010-04-15

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