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clear dhcp server binding

Syntax


            
               clear dhcp server binding 
               <all | ip-address | mac-address>
               <interface interface-name>
               <logical-system logical-system-name>
               <routing-instance routing-instance-name>

Release Information

Command introduced in JUNOS Release 9.0.

Description

Clear the binding state of a Dynamic Host Configuration Protocol (DHCP) client from the client table on the extended DHCP local server.

Options

all — (Optional) Clear the binding state for all DHCP clients.

ip-address — (Optional) Clear the binding state for the DHCP client with the specified IP address.

mac-address — (Optional) Clear the binding state for the DHCP client with the specified MAC address.

interface interface-name — (Optional) Clear the binding state for DHCP clients on the specified interface.

Note: This option clears all bindings whose initial login requests were received over the specified interface. Dynamic demux login requests are not received over the dynamic demux interface, but rather the underlying interface of the dynamic demux interface. To clear a specific dynamic demux interface, use the ip-address or mac-address options.

logical-system logical-system-name — (Optional) Clear the binding state for DHCP clients on the specified logical system.

routing-instance routing-instance-name — (Optional) Clear the binding state for DHCP clients on the specified routing instance.

Required Privilege Level

view

List of Sample Output

clear dhcp server binding
clear dhcp server binding all
clear dhcp server binding interface

Output Fields

See show dhcp server binding for an explanation of output fields.

Sample Output

clear dhcp server binding

The following sample output displays the address bindings in the DHCP client table on the extended DHCP local server before and after the clear dhcp server binding command is issued.

user@host> show dhcp server binding

2 clients, (0 bound, 0 selecting, 0 renewing, 0 rebinding)

IP address       Hardware address   Type     Lease expires at
100.20.32.1      90:00:00:01:00:01  active   2007-01-17 11:38:47 PST
100.20.32.3      90:00:00:02:00:01  active   2007-01-17 11:38:41 PST

user@host> clear dhcp server binding 10.20.32.1

user@host> show dhcp server binding

1 clients, (0 bound, 0 selecting, 0 renewing, 0 rebinding)

IP address       Hardware address   Type     Lease expires at
100.20.32.3      90:00:00:02:00:01  active   2007-01-17 11:38:41 PST

clear dhcp server binding all

user@host> clear dhcp server binding all

clear dhcp server binding interface

user@host> clear dhcp server binding interface
               fe-0/0/2

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