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PSOPNSenseAPI/docs/cmdlets/Get-OPNSenseDHCPLease.md

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# Get-OPNSenseDHCPLease
## SYNOPSIS
Gets DHCP leases from an OPNSense firewall.
## SYNTAX
```
Get-OPNSenseDHCPLease [[-Interface] <String>] [[-IP] <String>] [[-MAC] <String>]
```
## DESCRIPTION
The Get-OPNSenseDHCPLease cmdlet retrieves DHCP leases from an OPNSense firewall. You can filter leases by interface, IP address, or MAC address.
## EXAMPLES
### Example 1: Get all DHCP leases
```powershell
Get-OPNSenseDHCPLease
```
This example retrieves all DHCP leases from the OPNSense firewall.
### Example 2: Get DHCP leases for a specific interface
```powershell
Get-OPNSenseDHCPLease -Interface "lan"
```
This example retrieves DHCP leases for the LAN interface.
### Example 3: Get a DHCP lease for a specific IP address
```powershell
Get-OPNSenseDHCPLease -IP "192.168.1.100"
```
This example retrieves the DHCP lease for the specified IP address.
### Example 4: Get a DHCP lease for a specific MAC address
```powershell
Get-OPNSenseDHCPLease -MAC "00:11:22:33:44:55"
```
This example retrieves the DHCP lease for the specified MAC address.
## PARAMETERS
### -Interface
The interface for which to retrieve DHCP leases.
```yaml
Type: String
Parameter Sets: (All)
Aliases:
Required: False
Position: 0
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
```
### -IP
The IP address for which to retrieve a DHCP lease.
```yaml
Type: String
Parameter Sets: (All)
Aliases:
Required: False
Position: 1
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
```
### -MAC
The MAC address for which to retrieve a DHCP lease.
```yaml
Type: String
Parameter Sets: (All)
Aliases:
Required: False
Position: 2
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
```
### CommonParameters
This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see [about_CommonParameters](http://go.microsoft.com/fwlink/?LinkID=113216).
## INPUTS
### None
## OUTPUTS
### System.Object
Returns objects representing the DHCP leases.
## NOTES
This cmdlet requires a connection to an OPNSense firewall. Use Connect-OPNSense to establish a connection.
## RELATED LINKS
[Remove-OPNSenseDHCPLease](Remove-OPNSenseDHCPLease.md)
[Get-OPNSenseDHCPServer](Get-OPNSenseDHCPServer.md)
[Set-OPNSenseDHCPServer](Set-OPNSenseDHCPServer.md)
[Get-OPNSenseDHCPStaticMapping](Get-OPNSenseDHCPStaticMapping.md)
[New-OPNSenseDHCPStaticMapping](New-OPNSenseDHCPStaticMapping.md)
[Set-OPNSenseDHCPStaticMapping](Set-OPNSenseDHCPStaticMapping.md)
[Remove-OPNSenseDHCPStaticMapping](Remove-OPNSenseDHCPStaticMapping.md)