Supported Platforms
show system services dhcp binding
Syntax
Release Information
Command introduced before Junos OS Release 7.4.
Command introduced in Junos OS Release 9.0 for EX Series switches.
Description
(J Series routers only) Display Dynamic Host Configuration Protocol (DHCP) server client binding information.
Options
none | — | Display brief information about all active client bindings. |
detail | — | (Optional) Display detailed information about all active client bindings. |
address | — | (Optional) Display detailed client binding information for the specified IP address only. |
Required Privilege Level
view and system
List of Sample Output
show system services dhcp bindingshow system services dhcp binding address
show system services dhcp binding address detail
Output Fields
Table 1 describes the output fields for the show system services dhcp binding command. Output fields are listed in the approximate order in which they appear.
Table 1: show system services dhcp binding Output Fields
Field Name | Field Description | Level of Output |
|---|---|---|
Allocated address | List of IP addresses the DHCP server has assigned to clients. | All levels |
MAC address | Corresponding media access control (MAC) hardware address of the client. | All levels |
Client identifier | (address option only) Client's unique identifier (represented by an ASCII string or hexadecimal digits). This identifier is used by the DHCP server to index its database of address bindings. | All levels |
Binding Type | Type of binding assigned to the client. DHCP servers can assign a dynamic binding from a pool of IP addresses or a static binding to one or more specific IP addresses. | All levels |
Lease Expires at | Time the lease expires or never for leases that do not expire. | All levels |
Lease Obtained at | (address option only) Time the client obtained the lease from the DHCP server. | detail |
State | Status of the binding. Bindings can be active or expired. | detail |
Pool | Address pool that contains the IP address assigned to the client. | detail |
Request received on | Interface on which the DHCP message exchange occurs. The IP address pool is configured based on the interface's IP address. If a relay agent is used, its IP address is also displayed. | detail |
DHCP options | User-defined options created for the DHCP server. If no options have been defined, this field is blank. | detail |
Sample Output
show system services dhcp binding
user@host> show system services dhcp bindingAllocated address MAC address Binding Type Lease expires at 192.168.1.2 00:a0:12:00:12:ab static never 192.168.1.3 00:a0:12:00:13:02 dynamic 2004-05-03 13:01:42 PDT
show system services dhcp binding address
user@host> show system services dhcp binding
192.168.1.3 DHCP binding information:
Allocated address: 192.168.1.3
Mac address: 00:a0:12:00:12:ab
Client identifier
61 63 65 64 2d 30 30 3a 61 30 3a 31 32 3a 30 30aced-00:a0:12:00
3a 31 33 3a 30 32:13:02
Lease information:
Binding Type dynamic
Obtained at 2004-05-02 13:01:42 PDT
Expires at 2004-05-03 13:01:42 PDT
show system services dhcp binding address detail
user@host> show system services dhcp binding
192.168.1.3 detail DHCP binding information:
Allocated address 192.168.1.3
MAC address 00:a0:12:00:12:ab
Pool 192.168.1.0/24
Request received on fe-0/0/0, relayed by 192.168.4.254
Lease information:
Type DHCP
Obtained at 2004-05-02 13:01:42 PDT
Expires at 2004-05-03 13:01:42 PDT
State active
DHCP options:
Name: name-server, Value: { 6.6.6.6, 6.6.6.7 }
Name: domain-name, Value: mydomain.tld
Code: 19, Type: flag, Value: off
Code: 40, Type: string, Value: domain.tld
Code: 32, Type: ip-address, Value: 3.3.3.33
