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    DHCP Relay Agent Feature Guide for Subscriber Management

    Configuration Tasks for DHCP Relay Agent

    Using External AAA Authentication Services with DHCP

    Guidelines for Configuring Support for DHCP Duplicate Clients

    Configuring a Default Subscriber Service

    Configuring DHCP Duplicate Client Support

    Grouping Interfaces with Common DHCP Configurations

    Guidelines for Configuring Interface Ranges

    Overriding the Default DHCP Relay Configuration Settings

    Overwriting giaddr Information

    Replacing the DHCP Relay Request and Release Packet Source Address

    Overriding Option 82 Information

    Using Layer 2 Unicast Transmission for DHCP Packets

    Trusting Option 82 Information

    Preventing DHCP from Installing Access, Access-Internal, and Destination Routes by Default

    Specifying the Maximum Number of DHCP Clients Per Interface

    Automatically Logging Out DHCP Clients

    DHCP Relay Agent Option 82 Value for Auto Logout

    Configuring the Router to Maintain DHCP Subscribers During Interface Delete Events

    Configuring DHCP Snooping for DHCP Relay Agent

    Enabling and Disabling DHCP Snooped Packets Support for DHCP Relay Agent

    Configuring DHCP Snooped Packets Forwarding Support for DHCP Relay Agent

    Sending Release Messages When Clients Are Deleted

    Disabling Automatic Binding of Stray DHCP Requests

    Enabling and Disabling Insertion of Option 82 Information

    Using DHCP Option Information to Selectively Process DHCP Client Traffic

    Configuring Server Groups

    Configuring Active Server Groups

    Enabling DHCP Relay Proxy Mode

    Attaching Dynamic Profiles to DHCP Subscriber Interfaces or DHCP Client Interfaces

    Inserting DHCPv6 Interface-ID Option (Option 18) In DHCPv6 Packets

    DHCP Liveness Detection Overview

    Configuring Detection of DHCP Relay or DHCP Relay Proxy Client Connectivity

    Disabling DHCP Relay

    Examples

    Example: Minimum DHCP Relay Agent Configuration

    Example: DHCP Relay Agent Configuration with Multiple Clients and Servers

    Example: Configuring DHCP Relay Agent Selective Traffic Processing Based on DHCP Option Strings

    Example: Configuring DHCP and DHCPv6 Relay Agent Group-Level Selective Traffic Processing

    Example: Configuring DHCP Snooping Support for DHCP Relay Agent

    Example: Enabling DHCP Snooping Support for DHCPv6 Relay Agent

    Example: Configuring a DHCP Firewall Filter to Protect the Routing Engine

    Example: Configuring Global Liveness Detection for DHCP Relay Agent Clients

    Configuration Statements

    [edit dynamic-profiles] Hierarchy Level

    [edit forwarding-options dhcp-relay] Hierarchy Level

    access

    access-internal

    active-server-group

    aggregate-clients

    allow-snooped-clients

    always-write-giaddr

    always-write-option-82

    authentication

    bfd

    circuit-id

    circuit-type

    client-discover-match

    client-id

    default-action

    delimiter

    detection-time

    dhcp-relay

    dhcpv6

    disable-relay

    domain-name

    drop

    duplicate-clients-on-interface

    dynamic-profile

    enterprise-id

    equals

    failure-action

    forward-only

    forward-snooped-clients

    group

    holddown-interval

    interface

    interface-client-limit

    interface-delete

    interface-name

    layer2-unicast-replies

    liveness-detection

    local-server-group

    logical-system-name

    mac-address (DHCP Relay Agent)

    mac-address (Dynamic Access-Internal Routes)

    maintain-subscriber

    method

    metric

    minimum-interval

    minimum-receive-interval

    multiplier

    next-hop

    no-adaptation

    no-allow-snooped-clients

    no-bind-on-request

    option-60

    option-82

    option-number

    overrides

    password

    preference

    prefix

    proxy-mode

    qualified-next-hop

    relay-agent-interface-id (DHCPv6 Relay Agent)

    relay-agent-interface-id (DHCPv6 Relay Agent Username)

    relay-agent-remote-id

    relay-agent-subscriber-id

    relay-option

    relay-option-82

    relay-server-group

    remote-id

    replace-ip-source-with

    route (Access)

    route (Access Internal)

    route-suppression

    routing-options

    routing-instance-name

    send-release-on-delete

    server-group

    service-profile

    session-mode

    starts-with

    subscriber-management

    tag

    threshold (detection-time)

    threshold (transmit-interval)

    transmit-interval

    trust-option-82

    use-interface-description

    use-option-82

    use-primary

    user-prefix

    username-include

    version

     

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