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    Related Documentation


    Monitoring DHCP Relay Configuration Information


    Display DHCP relay configuration information and the IP addresses of the configured DHCP servers.


    To display information about the DHCP relay configuration and the IP address of the DHCP servers.

    host1#show dhcp relay
    DHCP Relay Configuration
    Mode: Proxy
      Restore Client Timeout: 72
      Send First Offer: off
    Inhibit Access Route Creation: off
    Assign Giaddr to Source IP: off
    Layer 2 Unicast Replies: off
    Giaddr Selects Interface: off
    Broadcast Flag Replies: on 
    Maximum client pps : 4096
    Relay Agent Information Option (82):
      Override Giaddr: off
      Override Option: off
      Trust All Clients: off
      Preserve Option From Trusted Clients: off
    Circuit-ID Sub-option (1): on
        select - hostname
        select - exclude-subinterface-id
      Remote-ID Sub-option (2): on
      Vendor-Specific Sub-option (9): on
        select - layer2-circuit-id
        select - user-packet-class
    DHCP Server Addresses


    Table 1 lists the show dhcp relay command output fields.

    Table 1: show dhcp relay Output Fields

    Field Name

    Field Description


    DHCP relay mode; either Standard (DHCP relay mode) or Proxy (DHCP relay proxy mode)

    Restore Client Timeout

    (DHCP relay proxy mode only) number of hours

    Send First Offer

    On or off

    Inhibit Access Route Creation

    On or off

    Assign Giaddr to Source IP

    On or off

    Layer 2 Unicast Replies

    On or off

    Giaddr Selects Interface

    On or off

    Broadcast Flag Replies

    On or off

    Maximum client pps

    Maximum number of client packets processed per second

    Override Giaddr

    On or off

    Override Option

    On or off

    Trust All Clients

    On or off

    Preserve Option From Trusted Clients

    On or off

    Circuit-ID Sub-option (1)

    On or off; when on includes a list of selected suboptions

    Remote-ID Sub-option (2)

    On or off

    Vendor-Specific Sub-option (9)

    On or off; when on includes a list of selected suboptions

    DHCP Server Addresses

    IP addresses of configured DHCP servers


    Related Documentation


    Published: 2014-08-20