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# Monitoring DHCP Relay Configuration Information

#### Purpose

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

#### Action

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
    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
    ---------------------
    30.3.7.1

#### Meaning

Table 117 lists the show dhcp relay command output fields.

Table 117: show dhcp relay Output Fields

Field Name | Field Description
--- | ---
Mode | 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
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 Topics

- show dhcp relay

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