Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?

Navigation
Guide That Contains This Content
[+] Expand All
[-] Collapse All
     

    Related Documentation

     

    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 The function provided by this command has been replaced by the show dhcp binding command.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
    
                           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 1 lists the show ip dhcp-external binding command output fields

    Table 1: 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 Documentation

     

    Published: 2014-08-20