display dhcp client

Function

The display dhcp client command displays DHCP/BOOTP client lease information.

Format

display dhcp client [ interface interface-type interface-number ]

Parameters

Parameter	Description	Value
interface interface-type interface-number	Displays DHCP/BOOTP client lease information on a specified interface: interface-type specifies the interface type. interface-number specifies the interface number.	-

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

When a device functions as the DHCP/BOOTP client, this command displays DHCP/BOOTP client lease information.

Example

# Display DHCP client lease information.

<sysname> display dhcp client
DHCP client lease information on interface GigabitEthernet0/0/1:
 Current machine state         : Bound                                           
 Internet address assigned via : DHCP                                            
 Physical address              : 00e0-fccd-a896                                  
 IP address                    : 192.168.1.254                                   
 Subnet mask                   : 255.255.255.0                                   
 Gateway ip address            : 192.168.1.2                                     
 DHCP server                   : 192.168.1.2                                     
 Lease obtained at             : 2013-06-26 07:40:22                             
 Lease expires at              : 2013-06-27 07:40:22                             
 Lease renews at               : 2013-06-26 19:40:22                             
 Lease rebinds at              : 2013-06-27 04:40:22                             
 Domain name                   : huawei.com                                       
 DNS                           : 192.168.1.100                                    
                                 192.168.1.101                                    
 NBNS                          : 192.168.1.100                                    
                                 192.168.1.101                                    
 Static route                  : 192.168.20.0/24 via 192.168.1.2                  
 SIP                           : 192.168.1.101                                    
 Host name                     : client   Request option list           : 1 3 6 15 28 33 44 121 184       
 Class identifier              : huawei  
 Client identifier             : 000e-fccd-a896

**Table 1** Description of the **display dhcp client** command output
Item	Description
Current machine state	Current device status of the DHCP client, including: Halt: indicates the status of stopping applying for IP addresses. Init: indicates the initialization status. Waiting offer: indicates the status of waiting for OFFER. Selecting: indicates the state that the state machine enters after DHCP-DISCOVER packets are sent to search for DHCP servers. In this state, the device is waiting for the response packets from DHCP servers. Requesting: indicates the state that the state machine enters after DHCP-REQUEST packets are sent to request IP addresses. In this state, the device is waiting for the response packets from DHCP servers. Bound: indicates the state that the state machine enters after successfully obtaining IP addresses by receiving DHCP-ACK packets from DHCP servers. Renewing: indicates the state that the state machine enters after T1 timer times out. Rebind: indicates the state that the state machine enters after T2 timer times out to display the status of the current device.
Internet address assigned via	IP address obtained using DHCP or BOOTP.
Physical address	Device MAC address.
IP address	Device IP address.
Subnet mask	Mask of the device IP address.
Gateway ip address	Gateway address of the DHCP or BOOTP server.
DHCP server	DHCP server address (no value for a BOOTP client).
Lease obtained at	Time the lease is obtained.
Lease expires at	Time the lease expires (no value for a BOOTP client).
Lease renews at	Time the lease needs to be renewed (no value for a BOOTP client). The lease of an IP address needs to be renewed when half of the lease expires.
Lease rebinds at	Time the lease is renewed (no value for a BOOTP client). The lease of an IP address is renewed when 87.5% of the lease expires.
Domain name	Default domain name.
DNS	IP address of the DNS server.
NBNS	IP address of the WINS server.
Static route	Static route, which is the route information delivered by Option 33.
SIP	IP address of the SIP server.
Host name	Information about Option 12, which is the host name of the client.
Request option list	Information about Option 55, which is the request option list of the client.
Class identifier	Information about Option 60, which is the vendor type identifier.
Client identifier	Information about Option 61, which is the client identifier.