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# Monitoring DHCP Bindings (Displaying IP Address-to-MAC Address Bindings)

#### Purpose

Display the mapping between the assigned IP address and the MAC address of the subscriber’s computer.

| Note: This command is deprecated and might be removed completely in a future release. The function provided by this command has been replaced by the show dhcp binding command.

#### Action

To display the DHCP IP address to MAC address bindings:

    host1#show ip dhcp-external binding

    host1#show ip dhcp-external binding

                           Dhcp External Bindings
                           ----------------------
       Hardware       Giaddr    IpAddress    Server    Lease   Expire    Interface
    --------------   --------   ---------   --------   -----   ------   ------------
    7000.0001.9365   91.3.0.1   91.3.0.2    10.1.2.1   3600    3175     ATM3/1.100.1

#### Meaning

Table 104 lists the show ip dhcp-external binding command output fields

Table 104: show ip dhcp-external binding Output Fields

Field Name | Field Description
--- | ---
Hardware | MAC address of subscriber’s computer
Giaddr | Gateway IP address (giaddr) in the DHCP packet received from a client
IpAddress | Subscriber client’s IP address
Server | DHCP server’s address
Lease | Time for which the IP address is available, in seconds
Expire | Time remaining on the current lease, in seconds
Interface | Interface that is associated with the subscriber’s computer

#### Related Topics

- show ip dhcp-external binding

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